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Truck Repair/Questions Answered by Expert Cliff B.

SubjectDate Asked
High oil pressure on 5.9 Cummins2/24/2007
  Q: I have pieced together 5.9 engine from parts so what I have is 12 valve engine with some 24 valve ...
  A: The block is different for the ISB which has a hole for "dump to sump" when regulating the oil ...
Engine cranks but wont start (No smoke)2/20/2007
  Q: I have a 1994 International 9400 Eagle with an N14 Cummins with a no start condition. I am not ...
  A: 243 is less than 6 volts detected at one of the engine brake driver pins indicates a current draw ...
install time on jake brake onto cummings m-112/20/2007
  Q: I purchased a real clean use jake brake and I want to know about how long it SHOULD take to install ...
  A: If you have all the harware parts that is the simple part.The hard part is going to be the wiring ...
N 14 Temp problem2/19/2007
  Q: Temp guage on 99 Volvo 770 quite showing operating temps replaced sensor on thermostate housing, ...
  A: Make sure engine protection is turned ON in the ECM then no damage can occur from overheating,low ...
Head Gasket2/19/2007
  Q: I have an N14 Litre cummins, with a problem of oil in the water, not a significant amount but enough ...
  A: Dont think a head gasket would cause that problem.Does it have a trans cooler that is water ...
n-14 red top2/18/2007
  Q: the truck i am purchasing has 612000 what is normal mileage for a in frame anything to check for ...
  A: Supose to last a million miles before overhauls but most dont make it for other reason than being ...
M11 valve settings for injectors2/16/2007
  Q: The correct procedure and setting valves for injectors on a 1997 Volvo M11. I have worked on older ...
  A: On the Celect,you adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C is 3-4.Valves ...
injector pump timing2/15/2007
  Q: I need detailed instructions on how to time up injector pumpon '97 dodge 1-tonwith 5.9 liter ...
  A: First thing is to get the fuel pump nut loose.Next find TDC #1 by turning the engine with a ratchet ...
97' 5.9 cummins2/14/2007
  Q: I HAVE A 97' 5.9 CUMMINS AND IT WAS LOOSING PRIME AND HAD A SLIGHT MISS SO I REPLACED THE LIFT ...
  A: Loosing prime could also be the return check valve in the fuel pump.Low fuel pressure will cause ...
m-11 overhead2/14/2007
  Q: sir, I am going to be doing my first m-11 overhead this weekend and i have a couple questions ...
  A: On the Celect,you adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C is 3-4.Valves ...
N14 piston specs2/13/2007
  Q: Hey, I am trying to find specs on pistons for a n14 435hp. I have bad oil consumption and feel time ...
  A: Personally I have checked only a few sets for reuse.They have a gauge set "tool" go-no go for ...
excessive smoke2/13/2007
  Q: We have a Cummins BTAA5.9C engine in a JCB front end loader. Bosch Rotary Injector pump was ...
  A: Rotary pumps should have a key in the shaft to go into the fuel pump drive gear.Remove the plug on ...
1995 M-11 in a freightliner2/11/2007
  Q: I am trying to replace the timing gear housing and I am having trouble removing the cam gear. was ...
  A: Personally I don't remove the gear if I can help it.Ill remove the pushtubes,get coat hangers to ...
hard starting2/10/2007
  Q: 2004,ism. Very hard to start, gotten worse, fuel solenoid has power, fuel filter is new, batteries ...
  A: I would check to see if it has a tube in the fuel filter(FS1000 or 1001).Check fuel pressure while ...
head gasket2/10/2007
  Q: Cliff,My front head gasket was leaking you could see it bubbling when I let it idle,Also when I pull ...
  A: The head gasket actually doesn't set on the block flush like other engines.The liners protrude ...
Engine Warning Light2/9/2007
  Q: Cummins ISM 410, Engine Warning light comes on. Fault Code says 128:F00 PID 155_A. Can you tell me ...
  A: Does the truck have a diagnostic switch on it to check the codes?Cummins uses a 3 or 4 digit ...
Cummins2/9/2007
  Q: ! I am a mechanic.. Does anyone offer Cummins Tech. manuals on CD's? On running the overhead, could ...
  A: It doesn't matter which letter you start with,just go in firing order.Both valves will be closed on ...
1994 S-10 blazer engine starting problem2/9/2007
  Q: I have a 1994 S-10 blazer with the vortec v-6/4.3ltr engine.I cant get it to start.It has a very ...
  A: Make sure it is firng at the plugs by taking one off,getting a screwdriver and putting it in the ...
cummins ism2/8/2007
  Q: i was wandering if you could tell me the procedures for adjusting the valves on a ism engine cpl # ...
  A: On the electronic engines,you adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C ...
1998 dodge 24 valve cummings wont start2/7/2007
  Q: I just purchased a used 98 ram cummings diesel. I left out over a pint of fuel at the fuel separator ...
  A: They are a bugger to get the air out of the system,just turn key on & "bump" the starter every 30 ...
N14 LOW OIL PRESSURE2/6/2007
  Q: I have had the same problem as the other person with the International. I have a 1997 freightliner I ...
  A: I would take the regulator out & clean the regulator plunger.If that does not help then check the ...
run out2/6/2007
  Q: flyer with rotor:Warning to obtain an accurate surface runout measurement. the rotor must be ...
  A: They want you to check for rotor running true on the hub,not wobbling because it is not mounted ...
cummins isx check engine code2/3/2007
  Q: my husband had trouble cranking our 2000 freightliner do to 2 bad batteries. we replaced the ...
  A: I dont have a 382 but do have a 482 for low fuel pressure.If the problem happened instantly I would ...
AC on a Cummins 4bt2/2/2007
  Q: I am looking for a part number or how to go about getting a part number to get an AC compressor ...
  A: Depends on what type compressor you are going to use a "York" style 2 cyl or radial.Freightliner ...
NTC855BC32/2/2007
  Q: How do you tell which injector you have to set it. The CPL is 632FF-83-94.
  A: Top stop injectors have the plungers below the body,old PT injectors have the plunger above the ...
Cummins 24 valve engine wont run1/30/2007
  Q: I have a 2000 year Cummins 24 valve engine in a Bluebird school bus. Yesterday while on a route it ...
  A: Does the "Check Eng" & "Stop Eng" lights come on?If not check the 5 fuses for ECM.Also check fuel ...
stc 14 litre1/30/2007
  Q: i have stc engine trouble the engine was rebuilt ,it has problems of bending pushrods every 1000 kms ...
  A: Oil in the coolant:If new liners were installed the probably the oil cooler but it usually mixes ...
Hard starting Cummins N14 Plus1/30/2007
  Q: I have a Cummins N14 Plus that seems to crank a long time before it will start. I have had it to ...
  A: The FS1000 has a metal tube made in the filter to help this problem.Also need to check to see if it ...
'99 ISC diag code list1/24/2007
  Q: How do I know if I have a CAPS fuel pump? And also because I am about 100 miles from any dealer ...
  A: 434 is low battery voltage or ECM not powered down correctly,not leaving key off for 30 secs before ...
Cummins M11 year model 1996 not starting1/24/2007
  Q: Cummins M11 will not crank. "Service Check Eng" light stays lit.
  A: Get me the code I can tell you more.Turn key on,turn cruise to on,bump set or resume & count the ...
4 cyl cumins diesel1/24/2007
  Q: Where are the timing marks located on the crank cam and injector pump.
  A: There is a 0 on the crank & 00 on the camgear that line up(hint:both crank & cam gear keyways will ...
valve settings and injectors1/21/2007
  Q: It is a 1/2" and I do not know what the torque iswhat is the torque setting for the plate with two ...
  A: On that eng,you adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C is 3-4.Valves ...
Cummins ISB 275 HP1/21/2007
  Q: OK.... There was a mistake, the batteries of my RV were mistakenly replaced by 12 volt instead of 6 ...
  A: No solenoid on ISB.The ECM controls voltage to everything on the engine.Check the 23 ...
cummins m-11 fan clutch1/20/2007
  Q: I have a 2000 Volvo with a cummins m-11 engine. Where can i find any information on troubleshooting ...
  A: Fan clutch is not a complicated device.Requires air to engage which is done by an electric valve ...
N14 STC rebuild1/17/2007
  Q: Wondering, I see the STC rebuild kit sells for about 40.00 I am mechanicaly able but mostly on cars ...
  A: Not real hard,just some "o" rings and a seal plate.You have to remove barrel from housing that has ...
isc stalls1/15/2007
  Q: I have isc engine in a ag tractor , it misses and or stalls when a load is applied. Engine fault ...
  A: Sounds like it is not getting enough fuel to the engine causing a 368 fault.It possibly would take ...
L-10 fuel injection pump specs1/11/2007
  Q: I am experimenting with converting an L-10 cummings engine to run on straight vegatable oil. ...
  A: I would have to look into how much GPM the gear pump in the fuel pump flows to give you the best ...
T600 kenworth1/11/2007
  Q: Do i need the engine,and ecm calibrated, would that cause problems with the sensors?I recently put a ...
  A: It might not be a bad idea to get it calibrated correctly for the CPL of the engine.HP does not ...
1995 n141/11/2007
  Q: i have a 95 n14 and have a hard time to start it in the morning (have to turn it over for 10-15 sec. ...
  A: Does it have a fuel filter on the pump?if so is it the Fleetguard FS1000?The Fleetguard has a tube ...
N14 Head-torgque and valve settings.1/5/2007
  Q: First- I have had the head gaskets replaced in the past. Know I am doing it again myself. I used to ...
  A: 0.004"?I would install shim on top of all liners(0.002" Cummins part). Head bolts torque to 220 ...
Cummings N14 Firing Order for the Valve Adjustment Sequence1/1/2007
  Q:
  A: On the Celect,you adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C is 3-4.Valves ...
removing autoshift trans from 02 w900l with ISX12/24/2006
  Q: I was told by a cummins mechanic in B'ham Al. that I would have to re-program my ECM if i switched ...
  A: YES because the ECM controls the top two shifts.Hehe one of my old branches of Cummins Mid ...
Fuel lines12/23/2006
  Q: Why in my 8.3 cumming engine keeps braking the fuel line by the injectors after we put a new fuel ...
  A: Those braces & isolators are on there for that reason...keep the vibration of engine & vibration ...
m11 cummins engine12/21/2006
  Q: help,am having an erf with m11 cum engine managed by celect plus ecm.engine misses on no 2 cyl when ...
  A: 241 is VSS sensor(speed sensor on trans) should not have any effect on missfire just no cruise or ...
1998 signature 60012/18/2006
  Q: have a little problem check engine light goes on, engine starts to run rough almost like its missing ...
  A: If you have not replaced the gear pump(fuel pump on top of IFSM) on the IFSM I would recommend it & ...
timing injection pump on 1995 8.3 cummins12/17/2006
  Q: no marks no drive gear for pump no keyway on shaft how to reinstall pump in time. Only one dot on ...
  A: Put emgine on TDC#1(timing pin on rear of gear housing below fuel pump).If it is a Bosch P100 pump ...
99 dodge cum12/14/2006
  Q: i need the timing setting for gear train and injection pump
  A: The crank & cam gear have "0"s & possibly the fuel pump drive gear.Usually there are painted marks ...
smallest cummins bolt in/reverse hotrodding12/10/2006
  Q: What is the smallest diesel that will bolt into a Dodge without fabricating custom mounts etc.? ...
  A: There is a 4 cyl B series engine that everything bolts up the same except it has 4 cyl.Not all ...
L 10 WONT STAY RUNNING12/10/2006
  Q: I HAVE L10 CUMMINGS WHEN I START IT UP IT RUNS FINE FOR ABOUT 2OR3 MIN. THEN IT JUST FALLS DEAD.IT ...
  A: If it is a Celect it might have idle shutdown ENABLED in the programming.That would have to be ...
valve adjustment12/9/2006
  Q: I have a 1971 4200 Transtar and I would like to know the gauge measurement for the gap intake and ...
  A: Depending on which injectors you have... For PT Inj(Spring protrudes past inj boby):You adjust ...
ESN12/9/2006
  Q: I am trying to find part # for isb275 pistons since they are dual ni anodized. I need them for my ...
  A: Well Cummins use a CPL(Control or Critical Parts List) for parts like head,cam,pistons,injectors,& ...
startup problem12/5/2006
  Q: i have a 2001 dodge 24valve 5.9 cummins when i start it white smokes and misses until i rev and ...
  A: That fault is fault code 369 saying it is not seeing the engine position signal from pin 18 of the ...
1997 5.9L (Dodge)12/4/2006
  Q: My dad has recently purchased a 1997 Dodge w/ a5.9L Cummins. The fuel is adjusted up (I guess to up ...
  A: The 12V engines are not real hard to time but time consuming & makes a mess.There is a plastic ...
97' 12V 5.9L Stall after start issue12/4/2006
  Q: My son has the 97' 5.9L Diesel and it is having basic performance issue's. 1) if the truck is parked ...
  A: It is not the fuel shutdown solenoid causing the leaking back overnight.It is either the transfer ...
n-14 thermostat replacment11/30/2006
  Q: Looking for some guidance on replacing a thermostat on a 1992 Ford LTLA with a n-14?
  A: Thermostat housing is bolted to the frt rocker housing where the top radiator hose connects.Should ...
NTCC-44411/29/2006
  Q: On two occasions we have had an injector rocker arm break at the adjustment screw (horizontally like ...
  A: Have not seen that often on any engine.You torque the injectors down now instead of the tappet tool ...
fuel in intake11/28/2006
  Q: I HAVE A CUMMINS IN A DODGE TRUCK THAT HAS RAWL FUEL IN THE INTAKE WHY ?
  A: If it is a 89-93 then maybe a crack in the head where fuel filter is plumbed into it.If a 94-97 12 ...
old ford dump w/ntc350 cummins11/28/2006
  Q: Trying to find specs for valve lash and fuel timing. Older '85 Ford LN9000 w/cummins engine. Could ...
  A: Is it a STC or just a manual engine?They ajust differently.This procedure is for TOP STOP ...
5.9cummings fuel injection11/28/2006
  Q: I am a shade tree mechanic with a Job to do on a 91 dodge with a 5.9 in it. It is leaking fuel ...
  A: They are not hard to change out.Take oil fill off frt drivers side of engine.Take fuel pump drive ...
1993 Ford FD-1460 8.3L Cummins11/27/2006
  Q: I'm changing the coolant on a 1993 8.3L Cummins. Ford specified Part# E6HZ-19549-A, Spec ...
  A: Fleetgaurd Complete but thats Cummins talking.Any low silicate antifreeze with a new DCA filter.The ...
prime ttruck11/27/2006
  Q: 1987 silveroda only way to start it is to pour gas in carb. can here the fuel pump running but know ...
  A: I had an 86 S-10 do that and it was because someone put a electric fuel pump on the frame & hook ...
Cummins M-11 400 Fuel Problem11/27/2006
  Q: Have a problem w/stutter or miss when letting up on fuel. Hard down on accelerator miss fades to ...
  A: More than likely a fuel pressure problem or injector& not a sensor.First I would check fuel ...
Running Rack on 1987 855 C11/27/2006
  Q: Cliff, I need to run the rack on my 1987 855-C(235) CPL413 Config D091325CX02 Serial # ...
  A: Does it have TOP STOP or PT injectors?They ajust differently.This procedure is for TOP STOP. ...
n14 celect11/25/2006
  Q: First are tappets orintation big hole to exhaust side of engine? also when setting injector ...
  A: On the Celect,you adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C is 3-4.Valves ...
Cummins L-10 white smoke.11/24/2006
  Q: I too have an L-10 that emits a tremendous amount of white smoke upon starting or when the engine is ...
  A: There are no certain keys to start with.We had a camgear machined for a "slip fit" so we would not ...
2004 Cummings Problem11/22/2006
  Q: I have an '04 2500 4x4 Cummings. When going interstate speeds I have experienced a sudden loss then ...
  A: We dont get to work on the new Dodge engines because they changed the electronics for Dodge.We dont ...
N14 Headgasket11/22/2006
  Q: My KW has an N14 Cummins. I was told the middle gasket is blowed. KW wants $2,750.00 to repair this. ...
  A: Well you need a large torque wrench for head bolts & 3/4 drive air gun would be nice for turning ...
1999 dodge ram 2500 deisel11/21/2006
  Q: my truck is showing 2 codes p0216, and p1689 i have replaced the lift pump and my problems are that ...
  A: The ECM is bolted to the block behind fuel injection pump. The pins are 1-50 from left to right in ...
setting valves11/19/2006
  Q: I have a cummings celect N14 Plus. I need find out what you set the valves at? Can you Please help ...
  A: On the Celect,you adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C is 3-4.Valves ...
oil leak11/18/2006
  Q: I have f250 power stroke we have put 2 rear main seals in it still have leak some one said it may be ...
  A: I have seen where oil leaking does run down the pass side looking but have not checked to see where ...
1996 8.3 cummings11/17/2006
  Q: I have recently purchased a truck with an 8.3 in it. On the intake manifold it says not to use ...
  A: If it has a "helper" to start it will be an electric heater grid made in the intake manifold.Or an ...
5.9 cummins11/16/2006
  Q: I have a 2000 4-wheel drive 3/4 ton. I was comming home from work and I made a turn went to go into ...
  A: ANy fault codes?Try breaking loose an injector line to see if fuel is coming out?Those ISBs are a ...
NH/NTC Injector Settings11/12/2006
  Q: Could you please tell me what is the injector torque settings for NH/NTC STC Big Cam Cummins
  A: What is the CPL because it makes a different on injector setting. CPLs 821,833,903,904,& 806 are ...
2001 Cummins Stall/Power loss11/11/2006
  Q: My 2001 Dodge 2500/4x4 5.9l is stalling (for a lack of better description) at 1500-1700 RPMs. It not ...
  A: Getting any Check Engine(fault) light?If so,I think maybe Auto Zone or Advance can hook up to it.I ...
running rack?11/10/2006
  Q: I have a 1998 volvo with a N14 plus....How do I "run the rack"?
  A: On the Celect,you adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C is 3-4.Valves ...
fuel11/10/2006
  Q: I have a 1993 dodge cummins 1 ton the fuel gauge dosent work I checked the wires for power and ...
  A: Most all fuel gauges work off a rheostat(fuel sending unit) to change the voltage to the gauge for ...
N14 cam and crank gears11/9/2006
  Q: we have an N14 with 2700 hours in farm tractor that has broken the crank gear and the cam gear---- ...
  A: I never heard of this problem before.The gears installed by heating the gears in an oven & letting ...
excessive smoke. intermittant miss on # 1.11/9/2006
  Q: I've been working on a 10/93 L10-300 with STC cpl 1558 which I've tried everything the ...
  A: Did you use the tappet tool when adjusting the injectors?If not that might be the problem.Is there ...
fuel on top of pistons11/9/2006
  Q: Several weeks ago I replaced 3 and 4 cylinder with a liner kit for each cylinder and one new head. ...
  A: The only way to find which it is is to get a 5 gal bucket of fuel & put dye in it then run it for a ...
Crank Case Breather 2005 Dodge Ram Cummins11/8/2006
  Q: Cliff, I have a 2005 Turbo Diesel Cummings and noticed a drop of oil on the driveway every once in a ...
  A: They call it a "breather" but there is a positive pressure coming out of it.They dont have a "PVC" ...
Cold start injector timmer?11/8/2006
  Q: I have a 1991 Dodge with the Cummins motor. When I start the motor cold, after the pre-heat light ...
  A: There is a KSB valve that is to control white smoke at start up by adjusting the timing.The ...
N14 Repair and Maintenance Manuals11/8/2006
  Q: I am going to be buying a truck with a N14 and am interested in buying a repair or maintenance ...
  A: Im sure other companies like Motor & Chiltons sell them & would be hard to find.Cummins has 3 sets ...
2000 cummings 5.9 vp44 pump11/8/2006
  Q: I was climing a steep hill with a trailer planty of power and ran out of fuil [quater tank] cod ...
  A: That code is Fault 374 for internal failure in the VP44 pump.The only way to fix it is to replace ...
Ford11/7/2006
  Q: I wrote about a 1981 ford f 150 6 cylinder that starts but doesnt move forward or backwards if the ...
  A: A manual transmission usually will loose a gear or two problem rather than no gear at all.The ...
Oil shooting out of filler cap 69' ford f 10011/6/2006
  Q: I am looking at getting a 1969 Ford F 100 the truck is in fair condition for the year an what not ...
  A: Depending if this is for a restore project or daily driver.Oil coming out of the oil fill cap is ...
Changing fuel filter in Dodge 2002 Cummins11/5/2006
  Q: About 9 months ago I had the fuel pump retro-fitted from the frame to the tank. I had the fuel ...
  A: If you just change the fuel filter it will start up & die after 2-3 secs and then the fun of ...
Cummins M11 Switch11/4/2006
  Q: I have a 99' Freightliner FL-112 with a bad M11 motor. I have found a good takeout motor from a 99 ...
  A: Check the CPL numbers & ECM part number.The engines outside are the same so everything will bolt ...
truck running hot11/1/2006
  Q: i have a 1987 ntc 350 cummins with a low flow cooling system recently truck start running hot, as if ...
  A: I would verify it was the correct water pump.Any work doen to engine prior to this problem?There are ...
White smoke cummins10/31/2006
  Q: Okay so the stc control valve not fuctioning ,would that cause the injrection pressures to go up ...
  A: The STC valve is just an oil supply/divertor for the injectors.The oil fills the tappet causing the ...
ISC 300 Engine10/29/2006
  Q: I am interested in knowing how long to expect the initial engine to last before major rebuild. The ...
  A: If they are properly maintained,I dont know.We never overhauled one because it finally wore out ...
engine won't start n1410/29/2006
  Q: I have an n14 which I replace the ecm and it won't start I don't know much aboout the engine the ...
  A: EPS is in between the Accy drive(also calle air comp drive or fuel pump drive) & oil pump.It has a ...
KW w/N-14 cummings won't start10/27/2006
  Q: After taking care of that, it did crank properly. Now it's been a couple of hours and I went back ...
  A: To check codes,trun key on & let the key on cycle finish.Then turn cruise to ON & bump SET ...
03 dodge 1 ton wont start without help10/26/2006
  Q: Hey Cliff maybe you can help with this one? Got an 03 24V that will not start unless its given a ...
  A: If this is the old ISB then it is possible that one of the rear o rings is bad.Air in one of those ...
tachometer10/25/2006
  Q: i am working on 1997 for sterling with a N14 cummings and the tachometre is not working .can you ...
  A: Most of the newer OEMs use the computor ECM.Try checking the EPS sensor that is located between the ...
truck shuts down10/25/2006
  Q: I have a 1994 freightliner that has an N -14 370. I just bought this a few months ago. The problem ...
  A: Need to find which sensor is at fault,oil water temp,coolant level,or air intake temp.Turn key to ...
N14 CELECT PLUS10/25/2006
  Q: Have a 2000 international with a n14 plus in it...got roughlt 330000 miles on it.. Truck has a hard ...
  A: If it only does it after it sets for a long period of time then it is bleeding back.There should be ...
2001 Ford Truck10/24/2006
  Q: What is a Coil?
  A: Coil spring or the electromagnet kind? They call it a coil because there is a iron core with ...
boost pressure10/19/2006
  Q: I have a 99 Dodge 3500 4wd 6cyl cummings engine. The boost used to go to 20psi. The mechanic ...
  A: You can just replace the wastegate actuator assy.It will require turbo to be removed to gain access ...
1996 FL-70 NO POWER10/18/2006
  Q: HEY CLIFF....FIRST LET ME COMMEND YOU FOR PUTTING A LOT OF YOUR TIME IN THIS....THANK YOU I HAVE A ...
  A: I would check the wastegate bellows on the turbo,fitting("T") on the fuel pump for wastegate/AFC,& ...
n14 cummins celect10/17/2006
  Q: I have a 97 t-800. It just recently developed a miss (it sounds like a blown exhaust gasket on a ...
  A: If it has a steady popping soung & a large black puffing cloud out the exhaust then an injector ...
injector setting10/17/2006
  Q: I have a 1977 903 VTA marine engine.Can I set the injectors with a torque wrench ? If so what torque ...
  A: I will get this for you tonight & get back with you.I dont work for Cummins anymore but freind id ...
cummins n14 air presure in radiator10/16/2006
  Q: I have a '99 cummins n14. Have air pressure build up radiator. Engine runs good, does not over ...
  A: There are 2 possible areas that cause that problem: 1 is the air compressor.To check if it is the ...
Cummin Diesel Engine.10/14/2006
  Q: ------------------------- What is EPS Sensor? What is Accy Drive? Followup To Question - I have a ...
  A: Engine Position Sensor screwed into the block under the Accessory drive(also called air comp drive) ...
Cummins n-855-c missing/knock10/11/2006
  Q: Cliff, I have a Komatsu D65-6 Dozer with a 1987 Cummins n-855-c non turbo. We had a fan assembly ...
  A: Should be Int 0.011 & Exh 0.023.Depending on what type of injector you have is to how you set it.If ...
oil lose10/10/2006
  Q: why is the front of the rocker shaft oiling more then rear
  A: What engine?? I see you have the M11.The frt camshaft bushing oils the frt rocker shaft & rear ...
Cummins Injection Pump Installation10/9/2006
  Q: Have been driving my '92 Dodge D250 (with intercooled B5.9 12-valve Cummins) for many years without ...
  A: Yes I would be concerned unless they have a good warranty on it.Yes it has to be timed.Turn engine ...
fuel loss10/5/2006
  Q: Cliff I wrote last week about my 5.9 turbo diesel it sat for the summer. Now I crank it over and it ...
  A: What year model?Meaning does it have the rotory pump(89-90&91-93) or inline(94-98). I see it is a ...
truck started then shut off now wont start10/4/2006
  Q: I have a 2002 cummins 24 valve turbo deisel i started it one morning it started fine but ran for 30 ...
  A: You check the oil level in the pan?Sounds more like an electrical problem on the truck side rather ...
ntc350 cummins10/4/2006
  Q: I am in the process of purchashing a 1973 peterbilt with a ntc 350 that is getting water in the oil. ...
  A: They sell overhaul kits that have liners,pistons,rings, gaskets,& liner packings.Some kits have all ...
N14 CELECT Trouble Codes9/30/2006
  Q: My dad's 1991 9400 Series International with the N14 Cummins engine quit today while I was driving ...
  A: Fault 121 & 115 are EPS sensor faults.Check the EPS for proper OHMN reading.Should be 1000-2000 ...
loss of oil to rear head9/28/2006
  Q: I have a 1996 International with a 435 N14.It has about 830000 miles on it.It lost oil pressure to ...
  A: A broken cooling nozzle on a N14 would cause low oil pressure.More than likely a spun cam ...
truck won't start9/26/2006
  Q: I have a 99 International Tractor with a Cummins N 14 Engine.It was parked for about a month not ...
  A: Check the fuses near the starter for the ECM & wiring too.Navistar is the only OEM that refused to ...
oil change and fuel filter9/25/2006
  Q: I own a 2004 Dodge Ram 3/4 ton Cummings Diesel. How often do you recommend to change the oil? How ...
  A: The older ones held 10 qts so I would do it between 7-10,000 miles.Should be in owners manual but ...
VP44 Injecter pump, 1999 Ram 2500 4x4 , 24 Valve9/25/2006
  Q: I keep having a reoccurring problem with a dead throttle. It only does this when the truck is cold ...
  A: The ole dreaded 368 fault code.Possible causes is low fuel pressure,low volume flow,or the VP44 is ...
cummis timing marks9/23/2006
  Q: I have replaced #3 injector now I need to set the valves and Jake. To my understanding there are ...
  A: On the Celect,you adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C is 3-4.Valves ...
cummins 8.3 valve adjustment9/23/2006
  Q: I have a motor home, 1994 8.3 liter, 250 hp, cummins. The booklet I have (operation & maintenance ...
  A: I never use the timing pin mainly becaue its hard to get back out if an air comp is on it.Turn ...
Cummins M-119/20/2006
  Q: I have 94 Volvo M-11 Celect. Accesory pulley is leaking and discovered loose shaft is it hard to ...
  A: The sensor is under the accy drive.It has a 4 wire weather pak connector.It should ohmn out between ...
engine codes on n149/16/2006
  Q: how do you manually pull engine codes on a 2000 freightliner with an n14 cummins?
  A: Turn key to ON,turn CRUISE switch to ON,bump Set or RESUME one time & codes should flash.They are 3 ...
2000 dodge cummins9/13/2006
  Q: my truck has a deade spot in 5th gear at about 70 75 mph. it will sit at thats speed for a while ...
  A: That code is a Cummins fault 368 for the VP44 pump or low fuel pressure.It depends on how long the ...
cummins engine9/10/2006
  Q: i have a komatsu motor grader equiped with cummins engine. it is 855 engine there is no number plate ...
  A: There has to be 4 "notches" on the inside of the accy drive pulley to adjust the valves.There ...
cummins no start9/8/2006
  Q: I have a m11 cummins I beleave its an isb it has ben completely out of framed no more than 60 days ...
  A: Will the Electronic diagnostic machine "talk" to the engine ECM?If so that rules out unswitched ...
ENGINE FAN9/8/2006
  Q: I hate to bother you but, I went mudding in my 04.5 2500 dodge. NO big water or anything. I let the ...
  A: I have not worked or seen any of the common rail ISBs in the newer Dodges.They finally made it ...
2001 Dodge 2500 Cummins - Fuel Pump9/7/2006
  Q: Yep, another one of those darn fuel pump issues from that era of the Dodge Fuel pump problems. I am ...
  A: The fuel pump in the tank will have to come from Dodge but the fuel pump on the engine you can ...
L10 injector adjustment9/5/2006
  Q: My L10 is an 87 300hp, I need to set the injectors as I changed the head and I found the procedure ...
  A: On the manual injectors(NOT STC) the lash setting is "ZERO LASH".There is a special tool you buy ...
L109/5/2006
  Q: its manual its in a 87 western star.i've got a L10 that blows a lot of fuel smoke. the inj. are all ...
  A: If this just started than it is not the cam timing.I would take a good look at the camshaft for a ...
voltage monitor/voltage9/4/2006
  Q: I bought a 1989 Marco Polo 16 passenger shuttle bus.I am making it into a motor home.I have not been ...
  A: Yes it has an alternator.It should put out min 13.8V idling.Hook volt meter on the POS & NEG of ...
Fuel leak on ISX Cummins9/3/2006
  Q: Cliff- I operate a shop in Seattle, WA, and frankly, and will all due respect to Cummins, as a ...
  A: If it is an EGR engine(Manufactured after 10/02) it does have an electric primer pump installed on ...
2004 QSM11 problems9/1/2006
  Q: I am in the process of buying a boat with marine 2004, 650 hp QSM11 engines. I have yet to have it ...
  A: Yes I am unfirmiliar with the marine engines but Cummins Mid South in southern La(Morgan City,La) ...
operation temps and pressures9/1/2006
  Q: I have a 1993 jb hunt truck with a n14 cummins. What should i see as oil pressure and operation ...
  A: Well the engine fan comes on at around 215 degrees.The oil pressure should be between 30-40 PSI at ...
injector pump8/31/2006
  Q: Have a 6c cummins 8.3l.engine getting oil level high appears to be fuel not water. Changed primer ...
  A: If it is an automotive 8.3 you just loosen fuel pump drive gear nut,turn engine on TDC,take timing ...
n14 injector mech8/30/2006
  Q: Followup To Question - Hi, Why does my n14 injectors tips usually breaks? Answer - STC or ...
  A: On the STC,you adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C is 3-4.Valves are ...
Cummins M11 engine8/29/2006
  Q: We have a 1998 IHC Cummins M-11. When we turn the ignition switch off the engine keeps running, the ...
  A: Sounds like something is wrong with the ignition circuit.Like something back feeding the ignition.I ...
855STC cummins8/28/2006
  Q: I need the valve setting sequence please!
  A: On the STC,you adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C is 3-4.Valves ...
valve adjustments8/27/2006
  Q: Cliff I have owned my 1997 dodge Cummings since it was new and never did anything on the engine ...
  A: I dont use the timing plunger for valve adjustment because it is a pain to get out.I remove all the ...
what do I have to do?8/26/2006
  Q: My n-14 cummins 500 starts good but, after 20 mins. in the conslote, appears check engine and the ...
  A: Turn key to ON position.Turn cruise switch to ON,Hit set switch then count flashes.The fault codes ...
V-903 C-295 Engine8/22/2006
  Q: I have been searching for a 903 Cummins engine and havent been very successful. I need to replace ...
  A: Yes they are obsolete.I have only seen 1 in my years of working on them.Probably would be best to ...
low oil pressure in N14 after 180 oil temp8/22/2006
  Q: 2001 international 460 n14 650000 miles 3 days ago had regular service lube left next morning drove ...
  A: Same brand & viscosity oil?That would be my first check.Take the temp sensor out of oil pump & ...
N14 Celect engine power/boost loss8/17/2006
  Q: N-14 celect + 525 hp in a 2001 Pete When I run loaded (does not act up empty or first thing when ...
  A: Sounds like a sensor is reading "funny" when it gets hot & the ECM derating to compinsate for the ...
2000 8.3l cummins bad idle8/16/2006
  Q: i have a freightliner fl70 with an electronic 8.3..it runs good good fuel mlg etc but it idles ...
  A: No fault codes?The electric transfer pump is for priming only.It runs for 30 secs the shuts off ...
valve adjustment8/16/2006
  Q: I need the valve adjustment for 1988 L10 Cummins. The block # 34563174
  A: Is it a STC or just a manual engine?They ajust the same except you need a tool for the tappet on ...
cummins n14 celect plus8/15/2006
  Q: I am a certified tech but normaly work with Mack I have a cummins N14 celect plus in a Volvo with ...
  A: I have heard of that before on the same cyl but did not ask what fixed the problem.The oil pressure ...
1998 Century Freightliner8/15/2006
  Q: I have a 98 century with cummins motor N 14 in the truck. It start out with a oil leak in front of ...
  A: Sounds like the only problem you have right now is an injector fault due to a broken pass through ...
2001 N14 Cruse Control8/15/2006
  Q: I have a 2001 Volvo 660 with a Cummins N14 red top. When it gets warmed up after about 10 miles of ...
  A: If the cruise is cutting off then it might be a switch or sensor problem.If it will run fine on the ...
auxillary drive bush n148/13/2006
  Q: how do you change the bush and seal on the auxillary drive shaft is it complicated mine is leaking i ...
  A: Well if it spun the bushing a new one might not help.You will have to remove the accy drive to ...
Unknown ECM code8/12/2006
  Q: My Celect Plus M11 recently showed fault code 128s254 12 with red indicator "Stop ENG". What does it ...
  A: Is that what the truck computor says?Try using the cruise control to get the 3 digit flash ...
water pump r/r8/11/2006
  Q: My cousin has a 1991 international eagle with a "cummins big cam 400" (he also was told it was an ...
  A: It is not a real hard job.The hardest thing is getting room to work on the front of the engine.You ...
Timing chain and sprockets8/11/2006
  Q: I have a 1988 Ford 460 in a 36 foot motor home. I recently had to replace a the timing chain and ...
  A: If they are not installed right it will change the cam timing(make the valves open sooner or ...
53 block8/10/2006
  Q: i have a 2000 cummins it only has 60,000 miles. i was going to start doing some upgrades,but this ...
  A: I really dont know the casting number of the ones that crack but not all of them do it.You figure ...
bad performance8/8/2006
  Q: Sometimes on flat land I can go no faster than seventy. I loose power going uphill, but when I put ...
  A: I have seen a few VP44s go bad & not log faults.They have changed them somewhat to cure these ...
Gear Removal from Cummins B series8/7/2006
  Q: I have a 90 model School bus with a Cummins B series engine. On the front of the engine there is an ...
  A: Well the best way is to remove camshaft.This requires a little extra work but even with the puller ...
Cummins ISB 2158/5/2006
  Q: This is a Ford F-series, (incomplete vehicle), VIN:3FEXF8011XMA03492, manuf 06/98. This is not Dodge ...
  A: Errr Ford & Dodge are different from any others because they have the harness made to there specs.I ...
Cold Morning running8/5/2006
  Q: i have been banging my head trying to figure this out. i have a 1997 dodge 2500 5.9 i think it"s a ...
  A: 12 valve engines have single rocker covers.An ISB has one long rocker cover.The idle speed is on ...
N14 CUMMINS CELECT PLUS - HIGH COOLANT TEMP PROBLEMS8/4/2006
  Q: MY 1997 CENTURY CLASS COOLANT IS OVERHEATING.TOOK TRUCK TO DEALERSHIP,PUT IT ON DYNO THEY COULDN'T ...
  A: First thing to check is water pump belt for tightness. Then radiator for being plugged from ...
PTO IDLE UP SPEED ON FL608/4/2006
  Q: I have a 2000 Freightliner FL60 with a cummins engine. It is fitted with a Chevron Flatbed wrecker. ...
  A: That system is all electronic.You will have to get it hooked up to a computor to set it up like you ...
turbo boast drops then unresponsive to load or throttle position8/3/2006
  Q: I have a 1999 ram 2500 with cummings diesel while at hwy speeds the boast presure drops to 6lbs ...
  A: First thing I would check fuel pressure to the VP44 fuel pmum.Should be no lower than 5 PSI with ...
n14 wont start7/30/2006
  Q: i have 92freightliner with a 435 n14 that will not run it will run on ether changed the 12v fuel ...
  A: The EPS would make it not start but a fuel restriction would make it starve for fuel ie vapor ...
m11 thermostat replacement7/27/2006
  Q: have a 96 volvo with a m11 cummins,can you tell me how to replace the thermostat
  A: Drain coolant.Probably will have to remove alternator too.There are 4 bolts that hold thermostat ...
celect electronic m11 cummins7/23/2006
  Q: I have a m11 cummins in a erf.The engine is missinr on no 6 have changed injector and engine ran ok ...
  A: Make sure it is the right injector by the ECM data or you adjusted it wrong. On the Celect,you ...
Injection pump R&R, timing procedure7/19/2006
  Q: I'm the new shop mechanic at the Bev. Hills Fire Dept. We have no tech data for R&R and timing of an ...
  A: Just remove plastic plug in front of fuel pump & remove the nut.Turn engine untill the line on the ...
Getting a basket case running again7/19/2006
  Q: I bought a 2004 Dodge truck with the HO engine very cheap because the head was off it. My project ...
  A: Those have electronic injectors so finding someone to check them will be almost impossible.I would ...
95 Cummins Turbo 8.3 liter7/18/2006
  Q: Engine is in a 39' RV Motor Home. Slow to take off and slow going up hills. Can problems with ...
  A: Make sure there is not another fuel filter hidden besides the one on the engine.Then check the fuel ...
Cummins N-14 Low Power7/17/2006
  Q: "This engine will (eventually) get a full load up to 78 mph. But it won't climb or accelerate at ...
  A: Either something is derating it or there is a fuel restiction.Charge air cooler might be busted.I ...
Truck cuts off/ Head gasket leak7/16/2006
  Q: I have a 98 century with a cummins n14 plus,for the last several weeks when I'm at home and I let ...
  A: I would have all the head gaskets replaced & check liner height.Should be 0.004-0.007.If it they ...
5.9 CUMMINGS ENGINE7/15/2006
  Q: I HAVE A FRIEND WITH A FLEETWOOD DISCOVERY MOTORHOME WITH A 5.9L CUMMINGS PUSHER. IT HAS ONLY 7000 ...
  A: With that low of miles they MIGHT get some help with the block replacement from Cummins.The crack ...
1994 peterbuilt n14-no start7/13/2006
  Q: Afternoon Cliff, I am working on a 1994 Peterbuilt and it does not start. Zero fuel pressure but ...
  A: Check power to fuel solenoid.Fuel pump pressure regulator could be bad.Give it a shot of either & ...
N14 cutting out, or hickups?7/13/2006
  Q: It's a 1997 Peterbuilt conv. (vin # 1XP5D68X4VN432176) with an 435 / N14 select that has been turned ...
  A: I would check unswitched battery wiring to ECM & fuel pump solenoid wire for problems.I have seen a ...
L10 smoke7/12/2006
  Q: I have an L10 with terrible smoke on idle clears out under load, however under acceleration it acts ...
  A: Could be AFC problem or something in the pump.You used to could get a Cummins ReCon pump for ...
Mechnical 8.3C cuts off7/11/2006
  Q: Cliff, I have an 8.3C cummins in a 1993 RV. Without any "rhime or reason" the engine will just cut ...
  A: Sorry,my internet crashed yesturday when I tried to answer your question. Yes they do go bad ...
95 dodge cummins 12v takes awhile to start after sitting7/11/2006
  Q: i have a 95 dodge diesel auto 12v diesel. thing runs great as always but now in the last two weeks ...
  A: Most of the time a lift pump & fuel drain check valve will fix that problem.The overflow valve is ...
ism quit running7/11/2006
  Q: i have a ism 8.3 quit running lift pump working pulled off fuel supply line at injection pump lots ...
  A: 8.3L is an ISC,ISM is a 11L engine but any way if it sounds like it is trying to run on one or 2 ...
2002 ISX7/10/2006
  Q: Cliff, I am looking at a few 2002 trucks that have pre-emission Cummins ISX engines. What should I ...
  A: Pre emmission meanig prior to Oct 02 with no EGR valves & such.All the bugs should be out of ...
6bt with no power7/9/2006
  Q: I have a 94 6bt in an oshkosh motorhome chassis. It runs great but has no power at all sometimes it ...
  A: I would check the shutdown solenoid first,then get the fuel pressure checked at the pump.It should ...
n14 smoking on idle7/7/2006
  Q: I have a n14 stc 330 cummins it blows out white smoke on a idle every time it idle. I have put new ...
  A: What about oil pressure??If it is too low it will cause oil not to go through valve to injectors.If ...
cummins 8.37/5/2006
  Q: The engine come on, On my pro link 9000, it's says (engine erratic, intermit, pid190 fmi:2, what ...
  A: Fault 115 for engine position sensor.Sorry took so long to answer but I had to dig manual out to ...
MECH N147/4/2006
  Q: I HAVE A MECH N14 CUMMINS THAT IS LEAKING COOLANT FROM UNDER THE CYLINDER HEADS. IHC WANTS 10K TO ...
  A: It is probably just the head gaskets leaking.I dont recall ANY N14s that we had to machine the ...
Cummins 24 valve rear main seal replacement7/3/2006
  Q: Cliff, I am doing a transmission replacement and changing the rear main seal as well. I have not ...
  A: Use a self tapping screw & a washer to remove seal.Should have an installation tool with new ...
L10 Cummins7/2/2006
  Q: I have a L10 Cummins in a 1993 Freightliner that ships at an idle up to 1100 or 1200 RPM on ...
  A: There are a few sensors that will not always log codes.Speedo sensor is one if the yoke on the rear ...
c8.3 idle low7/2/2006
  Q: rv has 73000 on it. recently started idling around 500rpm. dropped from higher idle but dont recall ...
  A: If it is a manual engine there is an adjusting screw that wears the throttle rests on.It takes a ...
overhead adjustment7/1/2006
  Q: I need to run the overhead on my cummins N 14 with a jake brake. what is the correct sequence and ...
  A: On the Celect,you adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C is 3-4.Valves ...
cummin injector nt6/30/2006
  Q: I am working in a workshop.I am confused with tappet setting procedure of nt-855 engine Please ...
  A: On Topstop injector engine The injector adjustment is Zero-Lash,There is a special "T" ...
N14 decel6/27/2006
  Q: N14 435 in 1998 navistar quad dump236000 miles. Engine light comes on and rpms are limited to ...
  A: Fault 235 is low coolant level.Either the sensor is bad or the wiring(OEM) harness from low coolant ...
fuel problem6/26/2006
  Q: 1995 freightliner dies going down road but cranks back and runs ok until next time it happens. The ...
  A: The Celect Plus engines are all electrically controlled.I would check the unswitched battery fuses ...
Loss of power 2001 dodge dually 5.9 24valve6/21/2006
  Q: I have been really happy with my truck until a recent problem surfaced. In the morning, upon first ...
  A: I hate to say that those old Bosch VP44 pumps are junk.They have been inproving them with the newer ...
l10 cummins6/20/2006
  Q: ---thanks for the quick response . i had set the valves and injectors but i didnt use the abc marks ...
  A: You use the 5-6 inlb "T" torque wrench.IF it is NOT STC,just get on a letter & start adjusting the ...
black smoke6/19/2006
  Q: i have a 1990 volvo with an M11 cummins, had an endframe done, new turbo, re-built and recalibrated ...
  A: This a STC engine?? Black smoke is either too much fuel or not enough air.Probably who ever ...
2000 Cummins N-14 Head Gasket6/17/2006
  Q: Cliff, I just had the head gasket replaced on the middle head (#3&4) in my N-14. Now the driver is ...
  A: Actually Cummins makes a 0.002 shim to put on top of the liner to keep from doing all that work of ...
L-10 running rough6/16/2006
  Q: I have a '92 Cummins L10 STC engine. It idles fine but as it give some rpm it gets rougher. The ...
  A: The hole was probably put there to bleed air out of the manifold. Take all 3 adjusting loose.turn ...
Cummins 290 L-10 Injector & Valve Adjustment6/12/2006
  Q: Can you please give me the valve, injector & Jake brake clearance and settings for the mechanical ...
  A: If this is a manual top-stop injector: Valve Inj A 5 ...
n-14 red top cimmings 435E+6/3/2006
  Q: I will be a new owner operator soon and the truck I'm buying carries a n-14 red top cummings ...
  A: Only few problems with them.Head gaskets blowing because liners too low & camfollower gaskets ...
skipping6/3/2006
  Q: my 2001 dodge 5.9 24v cummins sometimes skips at idle. Usually it does it at idle after it has been ...
  A: Never heard of one doing that but Dodge has a throttle position sensor mounted on top of the fuel ...
Cummins Injector setting5/31/2006
  Q: I have a 1976 ntc350 eng#10562053,cpl 160. I need injector setting instructs.The plate says .011 ...
  A: Depends on what type injector you have.I thinking on that Jun 28,1976 built engine it has PT ...
New Cummins5/29/2006
  Q: I have a 97 1 ton dodge with the old 12 valve cummins in it. It has done great since I bought it ...
  A: I would leave the 12V in it.Those both fuel pumps on the 24V go out regularlly & one cost $160 & ...
no oil pressure5/23/2006
  Q: I have a 2000 dodge 24 valve cummins turbo diesel, recently it shut off on me. I thought i had a ...
  A: First thing make sure it has oil in the pan.We havent had alot of low oil pressure problems on any ...
2006 dodge cummins starting problem5/22/2006
  Q: Cliff I have an 06 dodge ram 2500 with the cummins and ever since I have had it, I encounter alot of ...
  A: I have heard of that problem but it seems like it is only on the Dodge.We do not work on the common ...
M-11 CUMMINS5/21/2006
  Q: I HAVE A 95 VOLVO WITH M-11 THAT WON T START. i KNOW IT IS AN ELECTRICAL PROBLEM BUT DO NOT KNOW ...
  A: I havent heard of a M11 doing that but have heard a N14 do it.It was the engine harness bad when ...
Truck wont start5/20/2006
  Q: I have a 98 freightliner century with cumminsn14,truck wont start.replaced ignition switch,selenoid ...
  A: Well if it is not the starter then possible a wire to the starter solenoid on the firewall or ...
N14 CELECT5/18/2006
  Q: TORQUE SPECT. FOR RODS AND MAINS.ALSO JAKE HOUSEING AND PAN BOLTS THANK YOU JIM
  A: Rods are 195 ftlbs.Mains are 270 ftlbs if engine is prior to serial #11875596.After serial # ...
cant find rattle5/16/2006
  Q: i have a 1998 35000 series dodge truck with 24 valve cummins.it started to make a rattling ...
  A: I havent heard of any thing like that.If you have the pan still off,maybe check the end play in the ...
1990 brake fuse location5/15/2006
  Q: can you tell me where the fuse for the brake lights is hidden on a 1990 cummins? or maybe tell me ...
  A: Engine Brake??Engine brakes are operated by switches in the dash & controled by the ECM.If they do ...
cummins deisel fuel pump5/12/2006
  Q: I have a 2002 4 wheel drive 3/4 ton. My truck started cutting out at high speeds or when ...
  A: The ISB has an electric tranfer pump mounted below the fuel filter on the side of the engine.Those ...
Cummins5/11/2006
  Q: I have a 92 Dodge cummins that smokes like a beast and runs rough when it is cold. lots of grey ...
  A: They have what they they call a KSB valve on the fuel pump that adjust timing on cold engine.It ...
N-14 Bearing wear and pan leaks5/9/2006
  Q: Is it common to see copper on the main and rod shells in as little as 220,000 miles? This is a 1997 ...
  A: Oil pans on high horsepower engines usually leak at the rear.They made a thick stiffner plate to go ...
IH M115/5/2006
  Q: My truck quit! It is an M11 in a 1996 IH 8100. Does not have voltage at the fuel shutoff. Place ...
  A: IHC is the ONLY OEM that will not put unswitched battery voltage for the ECM at the batteries! They ...
2000 FREIGHTLINER CENTURY4/27/2006
  Q: NO ONE CAN SEEM TO FIND MY PROBLEM I HAVE AN AUTOMATIC SHIFT FULLER SERVICE LIGHT FLASHES WILL NOT ...
  A: To check the faut code you have to do this:Turn key to ON position.Turn key off & on 2 more times ...
8.3 injector pump drive slipping4/25/2006
  Q: I have just completed repairs to a 1997 Cummins 8.3, including front cover replacement (due to crack ...
  A: If it is a 30MM or 1 3/16 socket it torques to 145-150.CLEAN OIL OFF SHAFT & GEAR with some none ...
STC VALVE KIT4/22/2006
  Q: CLIFF I PURCHASED A REBUILD KIT FOR MY STC VALVE I HAVE A L-10 CUMMINS CPL # 1447 MY QUESTION IS ...
  A: The STC valve kit is for ALL engines.Yes the springs are color coded depending on which engine it ...
N 14 Injector adjustment4/19/2006
  Q: I try to do most of my own work but have heard from Cummins mechanics that trying to set the ...
  A: Yes it is true but you can get injector flush & run it through the fuel system before you adjust ...
N14 cummings Engine knocks and shakes on idle4/15/2006
  Q: my problem is that for more than 6 months my 99 volvo N14 cummings engine is been having a loud ...
  A: I have NEVER heard of or seen an ECM causing that.And at $2500,I would not replace it.It is ...
Engine wont start4/13/2006
  Q: I have a 2004, 2500 Dodge diesel. It has about 76k on it. Over the past 2-3 weeks it has been ...
  A: There is an electric fuel pump on the fuel filter may be bad.We dont get to work on the new common ...
ISM Head Torque Settings4/10/2006
  Q: Can you give me the torque settings for the ISM head bolts and sequence? Liltrebor10
  A: Head bolts are 160 ftlbs plus 90 degrees.The 10mm bolts on the fuel pump side are 50 ftlbs.Sequence ...
rough idle4/1/2006
  Q: what would couse a rough idle?we just replaced head gasket had head tested and pressure checked,and ...
  A: Should idle around 750-800 RPMs.Is it seem like it is on one cyl or several?You can check on a ...
m11 330 1996 no start3/30/2006
  Q: truck was idling- cut out power to solenoid 12v. fuel supply to injectors good. power to ecm 12v . ...
  A: Whats a CPS?? The EPS is under the accy drive in the frt cover reading the camshaft.It will cause a ...
n14 valve adjts.3/28/2006
  Q: can you please send me a copy of valve adjts., injectors adjts. and sequence for n14 motor.
  A: For ELECTRONIC engines On the Celect,you adjust valves & inj on same cyl.The mark A is now 1-6,B is ...
STC, cold start miss3/21/2006
  Q: I have a 1990 Cummins STC365 CPL1211, 300,000 miles that either #1 or #2 or both cylinders have a ...
  A: It does that because there is air in the STC oil manifold.There should be a check valve in the #8 ...
FUEL INJECTOR PROBLEMS3/1/2006
  Q: I HAVE A 1994 INT CUMMINS ENGINE N-14,2hsfaer8rco12880,9400 SERIES.THE TURBO WENT OUT ON THE EXHAUST ...
  A: Sorry,I thought I answered this on the other computor :/First I would check to see which one was ...
iveco truck lighter outlet2/22/2006
  Q: can you tell me if the iveco trucks lighter outlet outputs 12 or 24 volts and if it outputs 12 volts ...
  A: The lighter outlet is more than likely the same as the chasis electrical system.If it is 12V,which ...
n 14 main and rods2/18/2006
  Q: sir;I pulled down a pan to replace a pan gasket at my place of employment.I suggested to my boss ...
  A: Some people want them checked or replaced at certain milage/hours.We only check them if coolant or ...
903 Cummins2/17/2006
  Q: Cliff I'm looking at buying a 1986 motorhome with a 903/350hp has 110,000 miles on it. Are these ...
  A: To tell you the truth,I have only seen one personally,& knew we had one in a vehicle(amphibious) ...
s102/16/2006
  Q: not sure that you would know this since you work on cummins engines but i am going to put a 4.3L ...
  A: Pretty sure it will not since the 4.3L has the same bolt pattern as a V-8.I would find a wrecked ...
WHAT IS STC2/11/2006
  Q: C.
  A: STC is Step Timing Control.It changes the injector timing with a hydraulic tappet in the top of the ...
CUMMINS2/10/2006
  Q: IS the cummins a good engine. How much does it cost to rebuild.I went to see a 90 peterbuilt with a ...
  A: Dyno is a really good test if they check everything,like blow-by,fuel burn,fuel pressure & ...
OIL CONSUMPTION2/10/2006
  Q: FIRST LET ME SAY THANKS FOR PROVIDING THIS SERVICE. I HAVE A 1992 L-10 CUMMINS IN A L9000 FORD WITH ...
  A: Take the turbo discharge pipe off & look for oil getting into the intake.I would get the blow-by ...
electronic injector testing2/8/2006
  Q: how are you? i just want to know how to check the electronic fuel injector of the M-11 1995 model, ...
  A: Those fuses are the unswitched battery wires that should go to the battery.Two positive wires(the ...
n142/4/2006
  Q: doe you have any instructions on removal of injector pump & air compressor on a n14
  A: If you are just removing the air comp,it is not a complicated process.It requires no timing to ...
About a truck lift2/2/2006
  Q: cool thanks and anothoer question if i do get a 3 inch body lift is is just as safe not getting ...
  A: IF installed correctly as per specs in the installation manual it will be safe because the only ...
2002 24 valve cummins1/31/2006
  Q: Engine loss of acceleration at various speeds,dont believe injector problem. Does the cummins have a ...
  A: Now there is a fitting to check fuel pressure at the fuel pump.It should be no LESS than 5 PSI with ...
Injector replacement1/30/2006
  Q: Help please, Have what I believe a bad injector in my M-11 Cummings. I remove valve cover, ...
  A: #1 injector will adjust on letter A of the accy drive pulley.You can just loosen the inj & exh ...
cummins 9031/26/2006
  Q: i have a 1974 cummins v903 and am getting water in the oil is there an weak spots i should check and ...
  A: Man thats a dinasaur!Unfortunataly I have not had to work on one of those,but have the smaller ...
loose tilt steering column1/22/2006
  Q: I have a 1986 chevrolet elcamino & the steering column has become very loose. Any suggestions on how ...
  A: Is it a tilt wheel?? They make a removal tool to take the pins out with.I have never done it,but I ...
2000 5.9L Cummins 24 Valve1/18/2006
  Q: My husband bled the water out of the fuel filter. And now it won't start. It ran fine before he did ...
  A: They are a pain to get started after you get air in the fuel system.Assuming the transfer pump ...
N14 low oil pressure1/17/2006
  Q: I have a 96 international 9400 with an N14 eng #11772264. I read your earlier answer about low oil ...
  A: One of the gears is pressed onto a shaft that drives off the crank shaft.If it moved turning it ...
Ni1 Cummins Water Pump Replacement1/15/2006
  Q: I currently own a 2005 Freightliner Classic with a cummins N14. I am planning to change my water ...
  A: It is not hard,just time consuming.Have to take fan hub loose,water pump belt,& water inlet ...
400 Cummins Big Cam 41/14/2006
  Q: I need to know what the valve and injector setting procedure is for a 400 cummins big cam 4 , the ...
  A: You adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C is 3-4.Valves are Int 0.014 ...
2000 dodge 5.9 24 valve turbo diesel1/13/2006
  Q: I have a 2000 dodge with the 24 valve Cummins. My problem with the truck is… I pulled the truck into ...
  A: The code I can not find in my books.The codes we use are 3-4 digit codes i.e 115,434,368,2348.. I ...
FUEL PROBLEM1/12/2006
  Q: I HAVE A 1992 L10 CUMMINS IN A L9000 FORD DUMP. NOT ALWAYS BUT SOMETIMES WHEN I START THE TRUCK IT ...
  A: Is it a STC engine??You can tell by it has a #10 oil line between #5 & #6 cyl in the rocker housing ...
12v cummins12/25/2005
  Q: I have a opportunity to buy a wrecked 92 dodge with a cummins for a engine swap into a 71 ford ...
  A: Well it weights close to 1,000 lbs.You will need a charge air cooler(cooler for intake air in frt ...
trouble code12/24/2005
  Q: I HAVE A 1999 FREIGHTLINER MT45 STEP VAN THAT DIED ON A FREEWAY ON RAMP. THE CODE THAT WAS SET IS ...
  A: Im afraid that the VP44 pump is probably bad.But first check voltage on pin 6 & 7 of the VP44 plug ...
electronic control module12/24/2005
  Q: Expain how the E.C.M operates and how operate on an engine. 2.what is the difference ...
  A: First I never heard of Digital Fuel Injection.The ECM does not operate,its the brain that tells ...
cummins inj. pump timing12/19/2005
  Q: have a 1994 cummins b series in a bus. The mechanic didn't read the tech manual and just removed the ...
  A: Under where the pump mounts is the timing pin that you just push in while barring the engine over ...
TORQUE SETTINGS12/9/2005
  Q: PLEASE COULD YOU HELP ME WITH THE TORQUE WRENCH SETTINGS FOR THE CYLINDER HEAD BOLT ON THE NTAA380 ...
  A: If they a 1" socket fits it,they are 220 ftlbs PLUS 90 degrees.If they are 1 1/16" socket,they are ...
oil loss from breather tube12/6/2005
  Q: 96 dodge 12v All of a sudden I have oil blowing out the breather tube-- lost 2 quarts in the ...
  A: It will be kind of difficult for a novice to check blow-by with out a dyno and special tools to ...
General mechanical question- Ford F-15011/28/2005
  Q: I know you said your expertise is with Cummins engines, but this question probably can be answered ...
  A: You can use aftermarket ones.The grease fittings are better because you can grease them.I dont know ...
N-14 no start11/25/2005
  Q: I have a n-14 that wont start , there is power to the computer but not to the fuel solinoid, i have ...
  A: First are there any fault codes besides the 255 you put in there?Possible EPS sensor problem.It is ...
engine shut off11/25/2005
  Q: Left gas station after refueling. Drove maybe 3 poles and then motor shut off. Would not restart. ...
  A: Well did you put gas in the tank or diesel?You could try to bleed the system out by bunping the ...
intake and exhaust valve settings also injectors11/24/2005
  Q: i have a 1974 cummins small cam 350 with a jake brake i need to know what to set the intake and ...
  A: The reason you are getting different settings is because we cant see what type injector you have in ...
cummins isb keeps dying11/20/2005
  Q: i have a 200 freightliner w/a cummins isb engine the engine stumbled last monday then tuesday after ...
  A: I havent ever replaced a relay.Any STOP engine or CHECK engine lights BEFORE it dies??If so,you ...
Cummins ISM valve adjustment11/19/2005
  Q: I have a few questions that maby you could help me with please 1.when starting the valve adj proc. i ...
  A: 1:It does not matter which cyl you start with so long as it is the correct cyl for adjustment.2:You ...
cummins m-1111/17/2005
  Q: Do you know where I an get an on-line manual on how to adjust the valves on the injectors ?
  A: I dont think you can get an online manual.But I can tell you how. On the Celect,you adjust valves & ...
ISM 33011/10/2005
  Q: I AM WORKING ON AN ISM 330 AND NEED TO KNOW THE VALVE SETTINGS FOR THE VALVES, INJECTOR AND JAKE ...
  A: On the Celect or ISM engine,you adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C ...
Cummins N-14 overflow11/9/2005
  Q: Our N-14 is boiling water out of the low coolant overflow tank. We are loosing approx. 7 gallons in ...
  A: Boiling or blowing water out?You can check for compression in the radiator by simply getting a ...
accessorie drive leak11/4/2005
  Q: How difficult is it to change the bearing and seal in the Cummins accessory drive on an N14? What is ...
  A: First you have to remove the fuel pump,air compressor,& accy drive.Then you can get a bushing ...
cummins engine11/1/2005
  Q: CLIFF I HAVE 8.3 CUMMINS 210 HP FORD TRUCK RECENTLY I ...
  A: If it is a manual engine,my first choice would be the transfer pump on the drivers side that the ...
low oil pressure on N1410/31/2005
  Q: what could be a cause for low oil pressure on a 2001 cummins N14 435 E engine i have already ...
  A: Pressure regulator sticking or oil pump bad usually the problems that are not as serious as a ...
valve adjustment & smoke on C8.310/31/2005
  Q: what could be the cause for smoke on a 1992 C8.3 210 hp engine and what is the proper adjustment ...
  A: The injectors have no adjustment.If it is a manual engine,the valve clearance is 0.024 exhaust & ...
M11 shutting off randomly10/25/2005
  Q: Cliff, I have a 94 Intl 9200 w/M11. Almost every day, at least one time during the day my engine ...
  A: Good ole Navistar just want listen to what we recommend on the unswitched battery wiring.IHC runs ...
L1010/19/2005
  Q: what is the procedure for removing air compressor drive from engine.Gasket leaking between drive and ...
  A: First you have to put engine on TDC 1 or 6(marked on pulley)Key should be straight up at 12 ...
Crossheads10/14/2005
  Q: Could you please explain how to set the cross heads on a NTAA 380 STC on setting the valves and ...
  A: Well the 90 in lbs should be good.If the crossheads have an adjusting screw,you loosen the ...
A/C9/27/2005
  Q: Do you know of any common freon leaks found in ac units on 1998 Dodge Ram 1500? I know this isn't ...
  A: Well being a 1998 model,it has 134A freon in it.They make freon leak detectors,but they are pricey ...
Flooded dodge diesel9/21/2005
  Q: In leaving Hurricane Katrina, I had to leave my Dodge 2500 4x4 turbo diesel in New Orleans. I ...
  A: Depending on the water level,maybe just change the oil in axles,trans & engine.If it is a 91 or ...
L-10 upgrade8/30/2005
  Q: I have an LTA-10 rated at 300 horsepower in a 1988 Volvo bobtail dump. Can this engine be upgraded ...
  A: Sorry the reply took so long,but Katrina took out my power & is still out now.I would need the CPL ...
N-14 trouble8/14/2005
  Q: I haul oversized loads in a 1998 KW W900B with an N-14. In hard pulls at low speed the engine will ...
  A: The missfire under a load is an injector solenoid sticking.Until it happens everytime under a ...
fuel press. specs8/12/2005
  Q: What are the fuel press. specs. on a 1987 CUMM. Big Cam with STC injection and a PT (TYPE G) ...
  A: What kind of specs you need?If you want the actual fuel pressure I would need to know the fuel pump ...
CUMMINS REPAIR MANUAL FOR N148/3/2005
  Q: Looking to get a repair manual for a cummins N14. Im buying a 1996 truck with one in it. It have ...
  A: There are 3 manuals for the N-14 engine.The Troubleshooting & Repair manual,shop manual,& Celect ...
1990.ford ranger. blown head gasket.7/31/2005
  Q: what can i do to keep this thing running alittle bit longer. someone told me to put eggkeep in it.is ...
  A: If the head gasket is blown there is not a quick fix,it will had to be replace ASAP before further ...
Dodge Ram 2500 vibration7/29/2005
  Q: I have a 2002 Ram 2500 with at cummings 24v diesel. I am experiencing a vibration that only starts ...
  A: Does it get worse past 75 MPH?Not in steering wheel eliminates frt tires & such.If it is a two ...
computer module7/21/2005
  Q: , iam having a problem with my truck, my engine is L10-350E cummins, i just park it at the end of ...
  A: Possible EPS sensor(mounted under accy drive on drivers side in gear housing).Possible solenoid ...
1995 dodge cummings..(5.9)...7/9/2005
  Q: 1995 dodge cummings..(5.9) no fuel flow.. replaced filter/ pump on block and checked to make sure ...
  A: A 1995 model should have an inline injection pump & piston type transfer pump.It also has a spacer ...
p1689 or code 3647/4/2005
  Q: I have been working on a dodge 1999 2500. It picks up speed then stalls seems like the switch was ...
  A: Is it active at startup?Check battery voltage while cranking at pin 7 of the VP44 connector.Must be ...
ford bronco6/25/2005
  Q: iam having prombles with my fuel gauge and coolant gauge not working in my truck i have gas in the ...
  A: There should be a single wire on the fuel gauge unit in the center.Sorry,but it is located on top ...
isc6/21/2005
  Q: We have an '03 Crane Carrier w/ISC, the truck will die out on the road, we tow it in and after a ...
  A: 115 is engine speed,121 is eng position sensor,132 is throttle position sensor,277 & 276 are ...
cummins m116/19/2005
  Q: Having electircal problems with a 1994 M11 in a Freightliner tractor. I know that I have a bad wire ...
  A: $4 to 6K sounds like someone wants to give a screw job.If it is a Celect Plus,the engine harness is ...
Cummins6/8/2005
  Q: Please, please, please help! Cummins N14 Celect Motor CLP 1807 1996 Model Desperately need the ...
  A: Valve clearance INT 0.014 EXH 0.027 Turn engine to a letter on accy drive,does not matter ...
Engine types6/3/2005
  Q: Cliff, I see you only work on Cummins engines, but maybe since your in the repair business you may ...
  A: As you know Cat parts are pricey.Detroit engines are O.K. I guess,besides the "football" seal ...
Cummins B motor will not fire5/27/2005
  Q: The 5.9l Cummins turbodiesel in my '93 Dodge truck will not start. It turns over fine but its not ...
  A: First thing is to make sure it is getting power to fuel shutdown solenoid.Next is to see if it is ...
Question #25/24/2005
  Q: ------------------------- Would this cause hard starting also? Sometimes it takes up to 2 minutes to ...
  A: If it does not have engine brakes,just take the rocker covers off to check springs.Injector timing ...
C Brake Springs Breaking5/19/2005
  Q: Good day sir..1988 cummins 444 not electronic... C BRAKE SPRINGS commonly breaking..I replaced ...
  A: Dont see those much any more :)On the manual engine,you have to take engine brake off to check for ...
M11 Cummins5/11/2005
  Q: i would like to run the overhead. what are the torque specs on the valves and injectors. and what ...
  A: If it is a Celect engine(electronic)You set them like this. On the Celect,you adjust valves & inj ...
2 ISB Cummins Cracked Blocks5/7/2005
  Q: I have a 99 Freighliner that was equippped with a Cummins ISB. The block cracked last summer. We ...
  A: Since I work at a distributor,lawsuit pending and all,I can not answer this or any question about ...
l-10 engine misfire5/5/2005
  Q: we have a l-10 ,it idles fine the more rpm it gets the rougher it runs,we have already check wiring ...
  A: Have you done a cyl cutout test?Checked EPS sensor?Check Fuel restriction & Pressure?(pressure ...
CUMMINS FUEL INJECTOR4/14/2005
  Q: HOW DO YOU ADJUST THE PRELOAD ON A FUEL INJECTOR, THE ENGINE IS A CUMMINS 855, INSTALLED IN A 1991 ...
  A: On the Celect,you adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C is 3-4.Valves ...
5.9l designatons4/8/2005
  Q: I have heard there is a Cummins 5.9l wet sleeve motor. If true what is its model designation ...
  A: There are no wet sleeve 5.9L engines in production.The C engine is 8.3L,The ISL is 9.4L,ISM is ...
b or c series engine3/28/2005
  Q: i have an 1989 bluebird school bus that i converted to a motorhome. my son used the buse last ...
  A: I afraid to say that he probably scored a piston.Usually #1 cyl when they run hot.Oil lose from ...
Missing Out under load3/11/2005
  Q: I currently have a problem w/ a N-14 500 in a 2000 Freightliner. The problem that i am having is ...
  A: They are a bit hard to find when the missfire under a load.It is more than likely an ...
94 volvo commings m112/28/2005
  Q: will not start has fuel check engen light does not comeon cant find fuse or relay that is blowen ...
  A: If the Check Engine light comes on,its probably not the ECM.The fuses on a Celect Plus are at the ...
valve adjustment2/26/2005
  Q: What should the valve clearance be on 98 model m11 celect,Do I need to adjust the injectors,this is ...
  A: On the Celect,you adjust valves & inj on same cyl.The mark A is now 1-6,B is 2-5, & C is 3-4.Valves ...
ISB-275 thermostat2/23/2005
  Q: I own a 2000 Winnebago Journey with a Cummins ISB-275. I had persistent problems with overheating in ...
  A: The thermostat is under the top radiator hose outlet connection.It requires no gasket.You only need ...
n142/21/2005
  Q: torque specs head bolts rods and mains valve adjustments and liner height
  A: Head torque is 220 ft lbs plus 90 degrees,rods are 195 ft lbs.Liner height is 0.004 to 0.007,more ...
Cummins cracked block 53 casting2/21/2005
  Q: I own a 99 Dodge 2500 with a Cummins 53 cast block. I had it in the shop various times for routine ...
  A: The block on the 6B engine are all the same no matter the application.Yes they are aware there was ...
eng. warn light on n14 plus engine2/19/2005
  Q: I have an 1996 Cummins n14 plus that the eng. warn light has started coming on once and a while, ...
  A: Have you tried to get the codes out of the ECM?Turn key switch on(if it has a diagnostic switch) ...
95 2500 won't start2/17/2005
  Q: Hey Cliff, I have a 1995 2500 cummins and about 3 weeks ago, I went out to start it and it didn't ...
  A: If the engine turns over but does not start,then there is a fuel system problem.I would check to ...
torque specification2/15/2005
  Q: What is the right Torque Specification of the cylinder head bolt,main bearing,connecting rod ...
  A: Cyl head is 160 ft lbs plus 90 degrees.Rod bolts are 155 ft lbs.Rocker shafts are 135 ft lbs for ...
1984 L10 Cummins Valve & Injector Adjustment2/14/2005
  Q: Our volunteer fire department has a Cummins L10 engine in a 1984 International truck which is used ...
  A: Valve lash is Int 0.011 & Exh 0.023.You will need a special "T" wrench to adjust the injector with ...
L10-350E engine valves and injectors adjustment2/12/2005
  Q: i am having a problem with the L10-350E engine valve and injector adjustments,what is the proper ...
  A: If they are both electronic they adjust the same way. The adjustment for a electronic engine is A= ...
Jake brake Adjustment and Injector lash M11-350E2/8/2005
  Q: What is the proper adjustment and clearance of Jake Brake system of M11-350E Engine? Is the Injector ...
  A: Jake lash is 0.015 ".No they are not the same or even adjust the same way.You adjust Inj & Valves ...
ISX 500 ST engine performance2/6/2005
  Q: 2005 Int'l 9900 was purchased in June 2004. It currently has 80,000 miles. The engine has a flutter ...
  A: Are you taking it to a Dealer or Distributor?I have changed several injectors because of the ...
engine valves and injectors adjustment2/3/2005
  Q: What is the difference between the engine valve and injector adjustment of NTC350 engine and the ...
  A: Yes they are different.On the Celect,you adjust valves & inj on same cyl.The mark A is now 1-6,B is ...
hard starting Cummings 19952/3/2005
  Q: I have a 1995 ram turbo cummins 5.9L. very hard starting from cold. intake heater was NOT working ...
  A: Sounds like you might have a drain back problem.This is most likely caused by a bad check valve in ...
question1/26/2005
  Q: What is a day being a diesel mechanic like? Do you enjoy it? Are you satisfied with the money?
  A: Never a dull moment with just working on engines.You are always learning to keep up with the latest ...
L101/23/2005
  Q: I need to get a L10 repair manual
  A: E mail me back what year model & if it is Industrial or Automotive.Then I can give you a part ...
isb 225 459851181/4/2005
  Q: cannot locate the engine oil pressure sending unit 7-oo freightliner by hackney&sons hh01784
  A: Well I can tell you where the oil pressure sensor is,but they have a new one that requires a ...
Runs hot12/31/2004
  Q: An Oct/98 N14 430 in an 1999 International 9200 sleeper, mileage 419,4000, geared to top out at ...
  A: Well how hot does it get?Loosing any water?Can check water pump pressure to see if it is pumping ...
2001 CUMMINS INTAKE MANIFOLD12/28/2004
  Q: I CAN'T START MY TRUCK WHEN IT GETS BELOW 30 -- DO THE SOLENOIDS FOR THE INTAKE HEATER HAVE A RELAY ...
  A: 2001 what? ISB,ISC,... Dodge,Frtliner,?? Well Freightliner FL70s are on the plastic cowl near ...
valve lash12/25/2004
  Q: an acquaintance of mine also owns an '01 isb like i do. when his had 65,000 miles on it he took it ...
  A: If you have a Cummins maintainance manual,it is in there.The intake valve lash is 0.010 & the ...
Engine/Clutch Rattle12/17/2004
  Q: Cliff - I have a 99 Century with a Cummins N-14Plus. My problem is that when the RPM's reach approx. ...
  A: Vibrations will travel through the driveline.You will have to start to eliminate the problems.If it ...
cummins11/22/2004
  Q: thx 1999 dodge 5.9 cummins, by the way the tach goes dead while it acts up,then when warm no ...
  A: If the tach is going out,it might be the engine speed sensor.It is located on the fuel pump side of ...
99 freightliner isc cummins11/15/2004
  Q: It is showing engine fault codes, the truck runs good. it also shuts down on idle apperantly this ...
  A: We havent overhauled one yet for being worn out.The only ones we have rebuilt were due to dirt ...
B5.9 Cummins Diesel (1997)11/11/2004
  Q: On a B5.9 mechanical - changed new injectors, lift pump, checked fuel shut off solenoid,checked ...
  A: That leaves turbo,throttle linkage, and a couple other things.The fuel shutdown will cause low ...
92 dodge cummins11/10/2004
  Q: Quit like ya turned the key off. How shall i t roubleshoot this?, Im in the middle of nowhere. ...
  A: I sure wish I could tell you how,all I can tell you is there should be 12V to the solenoid with key ...
fuel filter11/4/2004
  Q: how to change a secondary fuel filter> Does it spin off or unbolt? ISB 300 engine In a Motor coach.
  A: The one most have that bolt to the engine are a canister type filter with the part number of the ...
High Oil Pressure10/29/2004
  Q: I have an 03 Dodge 3500 auto with the Cummins Diesel. After the second oil change I have noticed at ...
  A: I have not worked on many new ISB engines since they are only a year old.The 91 & up to the new ...
Preventative Maintenance10/23/2004
  Q: I have 1 1992 Dodge D250 4x2 truck w/cummins 5.9 engine. Besides oil, air filter, antifreeze, what ...
  A: The number one killer on the engine in the Dodge is the air filter.Some people try to save a few ...
thumping into gear10/6/2004
  Q: I own a 1990 chevy silverado with a 350-5.7 liter v8. I'm having trouble with my clutch fan staying ...
  A: "Thump switching to first"? If that is from Rev to 1st gear,that sounds like a bad U joint.Fan ...
Cummins Electronics9/22/2004
  Q: I have an 2002 N14, 550 HP. Engine under severe load cuts out momentarily, then comes back to life ...
  A: Looking at my Celect diagram,that code is for the EPS sensor which is located between oil pump & ...
egine temp.9/6/2004
  Q: I OWN A 2000 W900 KENWORTH. N14 PLUS 525E MOTOR 13OVER 355GEARS MY PROBLEM IS HIGH OIL TEMP ON HILLS ...
  A: Well actually if the engine is not heating up,and depending on year model,they had a fix for ...
M11 high gear engine hesitation or stumble9/1/2004
  Q: M11 330E in T-800 Kenworth. I have replace the #2 & #6 injector per cummins computer check. Here are ...
  A: Fuel filter changed reguarly & FS1000 compatabile?Could be a sensor or something like that causing ...
Air Suspension8/23/2004
  Q: I have a Freightliner chassis on a Fleetwood motor home. It's about a year and a half old. The ...
  A: It is probably an air leak somewhere causing it.If you could get a spray bottle with soapy water in ...
engine dies7/17/2004
  Q: 1995 volvo n14 cpl 1807. had #5 pass trough connector replaced. when it went bad engine would cut ...
  A: With the engine light coming on,thats a good thing.You now have a fault for a starting point to ...
rise in rpm's7/15/2004
  Q: I have a 1995 dodge 3500 deisel dually. My problem is that while driving every so often the rpm's ...
  A: A 95 model has a manual engine in it.If it was going into kick-down mode you would probably know ...
black smoke, fuel dilluted oil.7/14/2004
  Q: Hey Cliff, How's it going? My father just bought a 1989 Dodge Ram with the Cummins. mileage on ...
  A: Fuel can only get into the oil in 2 places,the fuel injection pump or the lift pump on the side ...
Fuel injectors7/14/2004
  Q: We drive a kenworth 2001 with a 460 Cummings I believe it is ISX model I do not know to much about ...
  A: A 460 is probably a N14.Easy way to tell is the 3 red rocker covers.ISX has one head & one rocker ...
cummins oil relief valve7/8/2004
  Q: I have a 1997 cummins 370 plus. The oil relief valve came apart inside the block and damaged the ...
  A: Is it a M11 or N14?I thinking its a M11 because the oil pressure regulator is in the oil pump on a ...
m11 fuel injector7/5/2004
  Q: Could you tell me how to change an injector on a m11 semi diesel and do you need any special tools. ...
  A: Well there is not a quick way with out a device of some sort.Being a computor or hand held ...
spring shackel won't take grease7/4/2004
  Q: I am unable to get a 2002 class 8 Freightliner's drivers side rear spring shackel to take grease. I ...
  A: Well technically you are suppose to get the weight off of the front end to grease them.They might ...
fuses and cable7/2/2004
  Q: Sir, My question concerns electrical current. I am told that to prevent voltage drop between battery ...
  A: To get more current to the spot light you will need to have the same size wire.You might can get a ...
98 2500 turbo deasel 12 valve6/23/2004
  Q: how do you adjust the idal durning hot weather the idal goes form 850 rpm to 500 rpm no oil presure ...
  A: There is a throttle adjust screw on the rear of the pump.But if it runs fine when cold,it might run ...
firing order6/6/2004
  Q: on 2000 n14 what is firing order for A B C marks on acc. drive. thank you
  A: Well the firing order is 1,5,3,6,2,4.The letters on the accy drive pulley are just for valve ...
ISB Overhaul6/5/2004
  Q: I am working on a 1999 ISB-205 in an Ottawa shunt truck. Problem was lack of power, and black ...
  A: There are not cyl kits for that engine.You have to get a short block,complete engine,or bore the ...
Valve Adjustment5/28/2004
  Q: I have a 2002 model 2500 dodge ram with a isb 5.9 Cummins engine. What is the proper procedure for ...
  A: On the ISB engine,remove the cap in the frt cover in frt of the fuel pump.remove the rocker cover ...
Cummins B series5/13/2004
  Q: I have a 4Bt that I recently got back from the machine shop and had a friend helping me put it back ...
  A: From any Cummins dealer or distributor.Part # is 3810486 for the 91 B Troubleshooting & Repair ...
cummins8.3 liter turbo engine5/11/2004
  Q: I own a vehicle that has a 1988 cummins8.3 liter turbo engine . I need to know exactly where the ...
  A: There should be 2 small thermostats.They are located under the upper radiator hose.Might have to ...
m-115/8/2004
  Q: Occasionally i get a alarge shaking in the tractor with a loss of power to the extent that it will ...
  A: Any "Check Engine" light coming on?Might possibly be an injector solenoid sticking under a ...
Cummins 25004/29/2004
  Q: I have a 2001 dodge 2500 with cummins engine. It has 56K. Recently, the clutch has been sluggish ...
  A: If it revs while you are in a hard pull,it is the clutch.Normally the new hydraulic clutches do not ...
1995 dodge with cummins diesel4/27/2004
  Q: Followup To Question - My truck has a starting issue; when you turn the key it will just click; I ...
  A: You said you replaced the neutral safty switch so that would be the next thing to check,you ...
Cummins engine replacement feasibility3/30/2004
  Q: Cliff I have a 6BT5.9 160 hp engine with an Allison AT542 transmission. This is mounted in a 1990 ...
  A: They are the same engine basically.The problem would be the year model of both engines.The newer ...
Rear Main Bearing Leak, Cummins BTA 5.93/24/2004
  Q: In a group that I belong to, dealing with Oshkosh Chassis Motorhomes one of the fellows inquired as ...
  A: You will have to remove trans & flywheel.There is no PVC vale,only the "blow-by" tube on the right ...
fuel restriction3/17/2004
  Q: i replaced a return flow splitter but my fuel tank on the left keeps flowing to my right tank ...
  A: You should have dual returns & suction lines.Fuel like anything else will take the path of least ...
power steering pump leak3/14/2004
  Q: I have an L10-310hp Cummins in an 8100 International tractor,1992. I have an oil leak around the ...
  A: More than likely being an International,its the air compressor mounting gasket.Just run your hand ...
Dodge Cummins3/7/2004
  Q: I have a Dodge 2500 cummins. I was unable to get my heater to work all winter, not such a big deal ...
  A: There is a Cummins Distributor in Kenner & Morgan city.Or in any case,ANY part that is on the ...
95 dodge diesel truck2/24/2004
  Q: My truck will start and run in the start mode, however when I release the key and it springs back ...
  A: All I can tell you on that is it is loosing key swith voltage(red wire on solenoid).There is a ...
isc fuel lines2/21/2004
  Q: i drive a 2002 kenworth with a cummins isc engine and it keeps getting fuel leaks at the ends of the ...
  A: They should NOT leak at all.Possibly the connector(tube that goes from line to injector)worn,the ...
2000 dodge deisel fuel problem2/8/2004
  Q: I just bought a 2000 dodge diesel 1 ton truck When I started it yesterday it ran perfect and only ...
  A: There is an electric transfer pump on the left side rear of engine.It should have 10-15 psi all the ...
odd intermittent idle1/25/2004
  Q: 1994 N14, that I have owned since new. Original ECM and all ECM wiring. Only the oil pressure and ...
  A: I havent heard of anyone replacing the ECM for that problem.Usually it will always misfire on a ...
Quick Question1/22/2004
  Q: If I have already asked this question please forgive me,I will give you a good rating nevertheless.I ...
  A: Well first you need a line wrench that fits the line at wheel cylinder.You should not have to pull ...
engine specks1/15/2004
  Q: looking for overhead adjustment sequance and specks for b series cummins
  A: Well the specs are 0.010 intake & 0.020 exhaust.Turn engine to TDC #1.Adjust both vavles on #1 & ...
oil problem12/23/2003
  Q: I have a 2000 1 ton Dodge with a Cummins diesel, 48K miles, 1200 miles since last oil change. ...
  A: The B series engines after 91 has lots of oil pressure.When cold could be around 70 psi at ...
cummins m11 engine12/17/2003
  Q: 1994 freightliner with m11 cummins engine excessive smoke when decelerating plenty of power ...
  A: If its a FLD112,it want fit if you are asking about a 855 350 HP.Is it an Celect or STC engine?If ...
problem about valves and injector11/30/2003
  Q: I want to know about how to adjust the valves and injector of Cummins L10. Problems: the truck does ...
  A: The L-10s adjust the same except for the STC ones.The only difference is the STC injs you have to ...

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Cliff B.

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Expertise

I am ASE Certified Med/HD Master Tech but only work on Cummins engines. I have worked on them since 1989. I can answer questions about electronic or mechanical problems with heavy duty or mid range Cummins engines.(ISX, ISM, ISB, ISC, L10, M11, N14, 6C, and B series).

Experience

I have worked on Cummins engines since 1989.I am ASE certified Master Med & HD Truck Mechanic.

Education/Credentials
Nashville Auto Diesel College Graduate in 1984.

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