You are here:

GM-GMC/Questions Answered by Expert Alicia B

SubjectDate Asked
Gas milage?4/15/2011
  Q: I'm the owner of a 2006 Pontiac Montana.The engine is a 3500 SFI V6.The fuel consumption guide that ...
  A: ill be upfront with you about two things .. the epa on those stickers is really and estimate done by ...
77 chevy p/u driveshaft issues4/13/2011
  Q: i got a 77 chevy p/u and it came with a single shaft with the bracket for center support bearing cut ...
  A: well the noise you are hearing is definitly related to the parts you are talking about and i always ...
spark plug wire order4/10/2011
  Q: is the longest wire in a new set of wires #1? and so on? ANSWER: no.. you either call your local ...
  A: im real sorry about the delayed response i dont get much time. the length of the plug wires really ...
third brake light outs4/1/2011
  Q: how do i find out whats wrong with third brake light out? other brake lights work and bulbs on ...
  A: well without knowing the year or any info about the vehicle. i can only say that your contact plate ...
1971 chevy c10 truck belt replacement5/9/2010
  Q: Is there a trick to replacing the alternator belt.Do i have to remove the p/s pump?
  A: No you just take the alternator off or loosen it and put the belt around it and the water pump ...
chevy 25005/9/2010
  Q: what is the difference between a chevy 2500 and a 2500 HD
  A: HD means heavy duty and has a heavy duty suspension and 2500 usually has smooth ride suspension ...
coolant trouble5/8/2010
  Q: i have a 2001 chevy silverado with a 4.8 motor.but i've noticed when i drive the truck the coolant ...
  A: could be the thermostat but i had this happen to me in a car and it was because of the vaccum wasnt ...
2003 grounding issues5/7/2010
  Q: I just brought my truck in and I was told that there are many codes in fault for my truck there are ...
  A: are there any aftermarket alarms installed or were installed? sounds to me like the wiring is ...
Engine rough start5/4/2010
  Q: I have a 98 GMC Yukon(1500) w a 5.7L Vortec. I have been battling a starting issue. It will start up ...
  A: sorry it took a while I was out of town and i did not have time to get to this. alright so let me ...
timeing on 1996 4.3 GMC truck4/29/2010
  Q: I took out disturibitor and failed to mark what way rotor was sitting. How do I set dist. To right ...
  A: You cannot. If you think you are having a timing issue, you can check by removing Cyl #1 spark plug, ...
Chevrolet silverado 15004/29/2010
  Q: my truck is 99 chevy silverado z71 1500 ext cab with 15600 miles and recently I have noticed at low ...
  A: unplug the map sensor and see if it still has that same shutter if it does not i would recommend ...
1980 350 transmission rear seal leak4/27/2010
  Q: Where the driveshaft connects to the transmission there is a major leak if I remove just the ...
  A: well it seems to me that the gears are slipping and stuck so that means more then likely the damage ...
1980 350 transmission rear seal leak4/26/2010
  Q: Where the driveshaft connects to the transmission there is a major leak if I remove just the ...
  A: well in my experience as long as it's not the main seal you can PROBABLY do it without removing the ...
tranny4/25/2010
  Q: My spedometer and tach won't work on my 98 gmc k1500 so the tranny is in failsafe mode
  A: well i right now have the same issue on my 05 gmc the dash cluster is bad but this will not cause an ...
knock sensor4/25/2010
  Q: engine light on plug in scanner says low voltage to bank 2 knock sensor just put in new sensor and ...
  A: my truck currently has the same issue. the description you got from the code does not mean that ...
2007 GMC Brake shimmy4/24/2010
  Q: I have a 2007 GMC 4x4 with the 5.3l. When i apply the brakes i get a shimmy that is pretty bad. I ...
  A: i had this happen to me but with my car. and i hope your truck is still in warranty? mine was ...
backfiring4/20/2010
  Q: when my 1998 gmc k15oo with a 305 vortec gets warmed up . it starts to back firing . when i put it ...
  A: well you are gettin air in there somehow its running lean thats usually why you find wet plugs. so ...
2000 gmc jimmy 4.3 misfires after tune up4/18/2010
  Q: i recently did a tune up on my 2000 gmc jimmy 4.3L changed the oil and oil filter, plugs, and plug ...
  A: oil amount and weight has not much to do with misfire. if you are sure its a misfire its coming from ...
fuel4/16/2010
  Q: Got a 85 chevy half ton 4x4,getting gas in the crank case.I was told that the fuelpump diaphram was ...
  A: i guess i want to ask you how full did you have the tank? i do not believe that the fuel pump would ...
fuel pressure4/14/2010
  Q: after changing my fuel pump in my buddies gmc 96 1500 truck still wouldn't start ....bled the the ...
  A: i do not know about having to go to the dealer i would check with a trusted mechanic but you have ...
1997 gmc truck rear end replacement4/13/2010
  Q: I have a 1997 gmc sierra 1500 extended cab pick up with a 5.7 liter eng.auto trans.with over drive. ...
  A: just fyi.. because i did not give you the answer you wanted does not mean i am not right.. ...
brakes4/9/2010
  Q: My brake light came on. I pulled on the emergency brake but it didn't go out now it's flashing for a ...
  A: **THIS INFO IS ONLY GIVEN BASED IN THE USER ACCOUNT THAT THE BRAKES ARE IN WORKING CONDITION** to ...
HVAC Fan4/7/2010
  Q: The HVAC fan stopped working in my 2007 GMC Sierra. I checked the fuses and all were ok. I am ...
  A: all the fuses and relays under the hood also?? unfortunately i am not expert in the AC however the ...
fuel pressure4/6/2010
  Q: after changing my fuel pump in my buddies gmc 96 1500 truck still wouldn't start ....bled the the ...
  A: you have answered it really... even though you didnt find leaks there is a blockage somewhere ...
6.5 td Low boost4/6/2010
  Q: I have a check enine light going off and he code comes up Low boost? Just wanted to know what the ...
  A: I could not provide a good answer as I would guess that it was a sensor of some sort kicking that ...
brake problem4/1/2010
  Q: my emergency brake light on the dash and my abs light are both coming on especially when im ...
  A: bleed your brakes, it sounds like there is air getting in somewhere and although it doesn't seem ...
AC Flashing9/2/2008
  Q: Have a 92 chev 1500 4x4 with 350 eng. The other day the ac was working great and when I tried to ...
  A: its actually more then likely the panel itself that has gone out... the panel that runs the ac ...
engine temps.6/2/2008
  Q: We have a 1994 RV with a Chevy 454 engine. What is the normal tempurature range while driving? ...
  A: about 180 to 220 i would suggest... overheating is hard to say by temp of the engine... but if your ...
2001 Buick Park Ave electric cooling fan3/20/2008
  Q: and i get a service code "coolant temp too low". Why does the fan stay on all the time? Is there ...
  A: well its because of the fan running all the time.. stop the fan from running all the time i do not ...
TRANSMISSION FLUID HAS BURNED SCENT3/18/2008
  Q: I HAVE A 1990 GMC K2500(SAME AS G20 CHEVY VAN) CONVERSION HIGH TOP VAN. 350 ENGINE. IS THERE A PUMP ...
  A: Please turn off caps lock... I do not know why it would smell that way unless the cooler has stopped ...
GMC Truck battery3/17/2008
  Q: I have a 2003 GMC Sierra Truck. Recently while driving my battery light started flashing. My ...
  A: it is possible it also could be the dash board itself. but yes the pcm can be an issue.. have you ...
TRANSMISSION FLUID HAS BURNED SCENT3/17/2008
  Q: I HAVE A 1990 GMC K2500(SAME AS G20 CHEVY VAN) CONVERSION HIGH TOP VAN. 350 ENGINE. IS THERE A PUMP ...
  A: yes it is suppose to circulate through the cooler but i would not know the part number to a pump or ...
1993 GMC Vandura radiator drain plug3/17/2008
  Q: I am having a problem finding the drain plug on my van. Please help and tell me where it is and the ...
  A: i assume you are talking about the freeze plug it should be around the bottom of the rediator on the ...
spark plug replacement3/16/2008
  Q: I'm replacing the plugs on my 03 Sierra and the wires seem very difficult to remove. Is there a ...
  A: no special trick they are like mine i had to make sure i pulled them straight off don't pull them to ...
low wiper fluid reservoir light3/15/2008
  Q: I have replaced the wiper fluid reservoir and switch on my 2001 GMC truck. I also left the battery ...
  A: do you have any aftermarket equipment on this vehicle? are you having any other problems with ...
gmc 3500 6.0 vortec3/15/2008
  Q: the truck ran out of gas ,so I put more gas in it ,so when I go to try to start it everything works ...
  A: ok first question for you? when you turn the key all the way forward do the lights on the dash go ...
swapping transmissions3/15/2008
  Q: i am replacing a 4L60E tranny on a 1993 gmc 4x4. the one i took out has 12 prongs where the electric ...
  A: personally i recommend you change it with the same tranny... or are you saying that its another ...
Engine Noise At 1500 RPM3/14/2008
  Q: I have an 2006 take with a 305 V8. The egine produces a whine noise at 1500 RPM and higher. It does ...
  A: if the dealer gives you crap call gm set up a case and believe that the dealer will get it fixed ... ...
U-Joint Trouble again maybe ?3/14/2008
  Q: Hey I am the guy with the 2000 silverado that asked about the u-joint the other day. I changed my ...
  A: the components that would cause this are starting at the drive shaft, u joint and rear axle, maybe ...
Brake Lights3/14/2008
  Q: I have a 1992 GMC 1500 and the brake lights on both sides quit working. The fuse is good bulbs are ...
  A: contact panel that is the panel that the bulbs plug into it is removable and is a common problem i ...
1988 GMC S10, won't start anymore3/13/2008
  Q: I took the dash off above the steering wheel to clean it. I unplugged the wires and after I was done ...
  A: its probably unrelated as far as the dash so if you sprayed fluid and it fired and died that means ...
engine running rough3/13/2008
  Q: getting a "P0303" engine code - #3 cylinder missfire. 98 GMC 5.0 engine - manua tranny. Here is ...
  A: that misfire is causing the plug to regap i'm sure if you take that plug out you will find it not ...
brake lights wont flash when brake is applied3/13/2008
  Q: i have a problem with my GMC sierra 1500 its a 1994 with 115k miles on it, 5.0. My problem is my ...
  A: i assume you are saying no break lights at all and if you just had them replaced that means there is ...
ignition problems3/12/2008
  Q: i was talking to wayne ....but i have a 92 4x4 z71 silverado. i have replaced the ignition module ...
  A: you know i was thinking about this a couple of days and those just are all i know for the most part ...
U-Joint Trouble ?3/12/2008
  Q: It can shake the truck during accelaration I was wondering what else could it be and how to replace ...
  A: yep you are correct if it shakes and you hear a noise from that area it is your u joint and they are ...
Air Conditioner Blower Fan 2003 GMC Envoy XL3/11/2008
  Q: I have the automatic temp control on the above model. The blower fan on the HVAC unit will not turn ...
  A: two things 1. the dash control for the fan the knob replace the actual unit behind the knob not the ...
alternator3/11/2008
  Q: hey i just put a new alternator in my 99 gmc sierra 4x4 1500 and it is charging the battery at like ...
  A: well gauges are just that gauges if you have confirmed that at the source there is no problem and in ...
Stalling3/10/2008
  Q: I have a 1979 gmc k15 stepside, I just put a rebuilt engine in it from S&S engines, its a stock 350. ...
  A: this is my take on this... you have no back pressure which is usually caused by an exhaust leak... ...
error on 2001 chevy truck radio3/10/2008
  Q: I installed a cd, and on the display a error indication began to flash. How can I correct this ...
  A: installed a cd player i assume? if it is aftermarket i wouldn't be able to help much you would ...
TRANSMISSION3/9/2008
  Q: I HAVE A 92 CHEVY 1500 WITH A 700R4 TRANI THAT WONT SHIFT OUT OF 2 GEAR TO 3RD SEEMS TO BE STUCK
  A: you probably no longer have any gears above 2nd... transmissions are not my specialty but i do know ...
alternator3/9/2008
  Q: hey i just put a new alternator in my 99 gmc sierra 4x4 1500 and it is charging the battery at like ...
  A: did you put a higher volt alternator then the truck takes? i think these trucks take a 120 volt ...
1985 gmc 2500 305 engine3/9/2008
  Q: This van is driving me nuts! No spark at plugs. Power to distributor-none out. Replaced coil and ...
  A: replace the cap and rotor on the distributor you may have to replace the whole unit ... if you ...
gas mileage3/8/2008
  Q: i have a 2000 silverado with the 5.3, auto, air, 4x4, latley i have been noticing poor fuel economy. ...
  A: a few things .... you said you replaced the plugs did you replace the wires? if not then do... the ...
Brakes pedal3/5/2008
  Q: This is about my F-250 (96 model). Nobody's home at the Ford spot so I was hoping you could help. ...
  A: did you ask them what the 600 dollars was charged for? if someone does a brake inspection and tells ...
1992 GMC Suburban3/3/2008
  Q: will not start. I put gas directly into the carborator and it started up and ran for a min. It may ...
  A: There is blockage somewhere in the fuel line. Try changing the fuel filter first. The pump is most ...
brake problems3/3/2008
  Q: I have a 2001 GMC Sierra. My truck has the shakes when I hit the brakes. I have put brand new rotors ...
  A: If your vehicle has 4 rotors it is good practice to either replace all 4 or machine all 4 at the ...
350 engine oil pressure3/2/2008
  Q: what should the oil pressure be at idle and 55 miles per hour
  A: at start the pressure will be above half and when you warm the vehicle it should drop to about a ...

All Questions in This Category

GM-GMC

All Answers


Answers by Expert:


Ask Experts

Volunteer


Alicia B

Top Expert on this page

Expertise

Engine, Transmission, Brakes, Fuses, Tune ups, Where is a better place to get parts, and general questions

Experience

I used to work for GM as customer service and I worked for the information history desk for them for 2 years. I have owned upwards of 25 cars 23 were GM vehicles which I did and still do fix my cars mostly myself. I do most maintenance by myself also.

Publications
I used to be a Allexperts member a while back look up Alicia R. Boutwell.

Education/Credentials
High school diploma most of my experience is just with the actual vehicles and working for the company.

©2012 About.com, a part of The New York Times Company. All rights reserved.