GMC Questions

All GMC Questions

Ask a Question
When these stopped working the transmission stopped down shifting. I can manual shift but it takes off in second gear. This happed once before and I only had to restart the truck to fix the problem. But that doesn't ...
is this normal, should i get it looked @ while its warrented thank you.
everything is good drives fine. just set this code
Though it seems to not get pass second gear. Not sure if it's my 4wd or transmission. It sounds very rough this car usually rides smooth and quiet. Any suggestions? taking to mechanic this weekend I don't want to driv...
I drive the truck is normal and run good , the moment the light check gauge start to com out the truck drop from the gear 5 to 4 , high rpm and the speed aiguil rub out and go to Zero and same thing for the rpm , and ...
this problem just occurred today for the first time.
is out. When engine is warm the light goes on and the transm goes from low to high gear. car will not go over 35mph when light is out
When I turn the key on the ON position the lights on the 4wd selector switch the buttons come ON then go OFF. Then the SERVICE 4WD light comes on. None of the buttons responded. I have another 04 gmc sierra 4wd I took...
And my door locks constantly keep trying to lock and unlock
Both switches on driver and passenger side do not work but my key fob does for all door locks. This is the only way to lock our GMC unless we do each one manually. I've check all fuses and they seem to be fine, howe...
Intermittently, my selector switch blinks during start-up but then no lights stay lit (2w, auto, 4w). At that time the actuator doesn't engage in the transfer case and the 4 wheel drive doesn't work . The problem ini...
Turn key on lights come on tutn key to crank engine lights go out
Battery won't start van when turn ignition on
The check engine light is on and will start to flash then the car stalls out. When restarted it idles very rough and the tach hand will bounce around. To keep it running I have to put in park and keep foot on gas to k...
leaking bad need to put coolant every time i drive somewhere
Switch has been replaced, transfer case motor has been replaced. When 4 wheel Auto selected, at slow speed (5-10mph) truck drives and makes noises like it was in 4 wheel drive. As I understand the "Auto" position, t...
After an attempted theft of our 98 GMC Yukon we had to replace the whole steering column. Now because of the pass lock system the security light stays on and shuts off the ignition after a couple of seconds. Will repl...
The compressor for the air ride suspension would not inflate the bags in today’s extreme cold. When it sits in cold weather the back end sags but normally rises when you start the engine. Today the compressor came on ...