| Subject | Date Asked | Expert |
| 2003 chevrolet silverado | 9/18/2006 | Van |
| Q: my trucks check engine light came on then it started blinking on and off, it stalled out going up ... A: \ When the light comes on, it means something may be wrong that will affect operation, and should be ... | ||
| engine codes on n14 | 9/16/2006 | Cliff B. |
| 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 cummins | 9/13/2006 | Cliff B. |
| 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 ... | ||
| IH T444E cold starting problem | 9/13/2006 | Eric |
| Q: I maintain a fleet with many of these t444e engines. I'm having a common problem with the '99 and ... A: I have some experience with these engines --- I also have 1999 trucks with this engine -- 200,000 ... | ||
| trailer lever brake and high idle not working | 9/10/2006 | Eric |
| Q: i have a 2001 frightliner century which has a detroit 430 60series, suddenly last week the high idle ... A: The high idle is a computer controlled feature -- an diagnostic scan tool will help to narrow down ... | ||
| ABS Repair on Chevy P.30 | 9/10/2006 | Eric |
| Q: I have a motorhome on a Chevy P.30 Chassis and a 454 Gas engine. My problem is: The ABS warning ... A: The system is on one fuse but the indicator light is on a different fuse --- if you are trying to ... | ||
| cummins engine | 9/10/2006 | Cliff B. |
| 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 ... | ||
| 2001 Dodge 2500 Cummins - Fuel Pump | 9/10/2006 | Cliff B. |
| Q: I greatly appreciate it! A couple more questions regarding this came to mind.... 1) I have read on ... A: Well they have changed up the VP44 fuel pumps but I can not tell you exactly what they changed to ... | ||
| chevy electrical | 9/9/2006 | Van |
| Q: i have a 1989 chevy silverado with a 350 engine, automatic transmission, 257K miles, fuel injection, ... A: Those are classic symptoms of a bad ground connection. Up above the parking brake lever should be a ... | ||
| cummins no start | 9/8/2006 | Cliff B. |
| 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 FAN | 9/8/2006 | Cliff B. |
| 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 Pump | 9/8/2006 | Cliff B. |
| Q: How difficult is it to change the pump in the tank? Also, I would greatly appreciate your assistance ... A: The fuel pump on the engine is not too bad.Need a gear puller & 2 8mm x 1.25 bolts to remove fuel ... | ||
| 2001 Dodge 2500 Cummins - Fuel Pump | 9/7/2006 | Cliff B. |
| 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 | 9/6/2006 | Cliff B. |
| Q: well its done it for a long time. it has been rebuilt and inj. pump also and still does it. we ran ... A: Use the valve adjusting wrench if you have one or a 1/2" extension & 3/4" socket to bottom plungers ... | ||
| truck turning off | 9/6/2006 | Van |
| Q: with a 318 in it, duel exhaust and headers. about 2 weeks ago i filled my tank for a real cheap ... A: A year or not, I would remove the filter, catch some gas from the pump in a clean glass jar, and ... | ||
| L10 injector adjustment | 9/5/2006 | Cliff B. |
| 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 ... | ||
| L10 | 9/5/2006 | Cliff B. |
| 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 ... | ||
| U-Joint replacement 2003 S-10 truck | 9/4/2006 | Kasey E |
| Q: How do you remove the old U-Joint from the Drive shaft? A: unbolt the drive shaft at the rear end should be 4 nuts ans 2 straps around the ujoint.pull the yoke ... | ||
| Removing Tailgate | 9/4/2006 | Kasey E |
| Q: I have a '03 Dodge Ram 2500 and I cannot figure out how to remove the tailgate. I am guessing there ... A: you should be able to unsnap the cables and then only let it down about half way "when looking from ... | ||
| voltage monitor/voltage | 9/4/2006 | Cliff B. |
| 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 Cummins | 9/3/2006 | Cliff B. |
| 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 ... | ||
| Truck will not turn over | 9/3/2006 | Kasey E |
| Q: I've got a 1980 Chevy truck and lately it's been turning over as it battery was going out, I checked ... A: thats what i was thinking,i have had no luck with starters from autozone,they last about a year then ... | ||
| glow plugs | 9/2/2006 | Kasey E |
| Q: The hex head is not there. All I see the bottom piece of the glow plug. What do you think would ... A: you can still start the engine with one glow plug out..they are only used for start up and after ... | ||
| Drivetrain | 9/2/2006 | Kasey E |
| Q: Kasey, I have a 2000 GMC Sierra 4x4 Z71 that I think has sginificant slack in the drivetrain. When ... A: sounds like the slop is in the rearend when you put the truck in park it will slightly roll forward ... | ||
| opinion of best diesel engine? | 9/2/2006 | Kasey E |
| Q: i have an auto shop in ny,but not much exp.with diesel,other than basic glow plug problems with few ... A: well this question is kinda 2 sided i like the ford line up with the super duty "but" im not ... | ||
| hard starting 2006 cummins | 9/2/2006 | Kasey E |
| Q: I'd like to know why my 2006 dodge cummins has to crank 5-6 secs before it will start.The temperture ... A: well i havent heard this befor.i think i would maybe ask another dealer on this .with out the glow ... | ||
| Gas tank change | 9/2/2006 | Van |
| Q: Good evening. I have a 1991 GMC Sierra pickup extended cab. The gas tank is leaking fuel ... A: You have probably heard someone say it is easier to replace the fuel pump by removing the bed, which ... | ||
| engine flooding | 9/1/2006 | Kasey E |
| Q: 1989 Chevrolet pickup. 350 tbi. when warm engine will run rich, and at times die. When trying to ... A: sounds like you may have a bad trottle poss sensor this would tell the computer that you are giving ... | ||
| 2004 QSM11 problems | 9/1/2006 | Cliff B. |
| 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 pressures | 9/1/2006 | Cliff B. |
| 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 ... | ||
| n-14 hard to start | 9/1/2006 | Eric |
| Q: I have a 98 model n-14 that is hard to start engine has to turn maybe 10 -15 seconds before it will ... A: Oil pressure should not make a difference --- the fuel system has a check valve --- the valve is ... | ||
| 1994 F-350 DUALLY | 8/31/2006 | Kasey E |
| Q: I HAVE A PROBLEM WITH CLUTCH, HOW DO I BLEED THE CLUTCH WITH NO BLEEDER SCREWS A: i cant see how they put this together with out bleeders...but just pump up the clutch and while ... | ||
| injector pump | 8/31/2006 | Cliff B. |
| 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 ... | ||
| Ignition/Starter Wire Problem | 8/31/2006 | Kasey E |
| Q: I have a 1985 Chevy S10 Blazer, 2.8L V6. I had to replace the starter and when I did, I stretched ... A: well that wire used to be about 12g wire and now it sounds like its 16g "smaller" when you try to ... | ||
| No spark from Distributor | 8/31/2006 | Van |
| Q: 1987 Gmc V3500, Crew cab, 1 ton, dually,454TBI, 4spd manual,4wd. I have Spark in from the Remote ... A: It is NOT going to be the knock sensor, which should be screwed into the side of the block, just ... | ||
| N14 difficult to start | 8/30/2006 | Kasey E |
| Q: We have a N14 that once started runs great, but takes 3 or 4 hits on the starter for several seconds ... A: i would like to say without seeing it i know whats going on but i cant.. the only thing i can think ... | ||
| Leak on front diferrential | 8/30/2006 | Kasey E |
| Q: I have a 1990 Chevy S-10 Blazer 4.3 engine 4x4, and there is a cable that is going to the front ... A: that is what turns the front diff on for 4x4 you should be able to jack that side of the truck up i ... | ||
| 99 chevy suburban starting issues | 8/30/2006 | Kasey E |
| Q: I have a 99 suburban with a 350. I have an occational problem with starting the engine. Today I ... A: this sounds like it could be a ign. module check to make sure that it is bolted tightly .it will be ... | ||
| n14 injector mech | 8/30/2006 | Cliff B. |
| 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 ... | ||
| 97 1500 4x4 | 8/30/2006 | Kasey E |
| Q: I have a 97 sub w/ puch button 4wd , when i push the button to go in to 4wd hi or lo nothing happens ... A: what i would check on this is the ele. motor that puts the 4 wheel drive on. turn the key on "not ... | ||
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Top Expert on this page
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).
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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