GMC Questions Maintenance & Repair

Heater Blows Cold And Cant Figure Out Why?

My 2001 GMC Yukon Xl heater only blows cold but rear heater blows luke warm. Checked all fluids and all full

Why Dose My Truck Stalls

since replacing my transmission when i come to a stop some times my rpm drop to 0 and stalls

Pulling Out Of My Driveway In The Morning

I pull straight out then I turn wheel to right or left and my power steering is tight and pulsating , is it the filter in the power steering pump causing this

Erratic Idle And Performance

2008 Yukon Engine Hot AC Off

I have a 5.3 Vortec v8 and when my truck sits overnight and I go to start it, it will say engine hot turning ac off, it won’t even start, it only cranks like the fuel trim is disabled. I replaced t...

Gmc Envoy Shakes When Air Conditioning Is On

What is it that I have fix

2017 Gmc Sierra Won’t Start Lost Communication

1986 Gmc Jimmy S10 Blazers 2.8 Motor I Need A Transmission 700r4

Looking for help with 700r4 transmission for my gmc jimmy s10 blazers 2.8 motor what year would be compatible for mind

Transmission Problem

Sometimes truck will rev up but won't gonna over 15mph. Was told to replace transmission filter but not fluid. But that doing so I'd still have to replace transmission very soon

AC CLUTCH 5.7 99 GMC Suburban K 1500

Clutch engages rapidly by itself even when it’s off in the cab. But there is a problem with the selectors for low through high.

1999 Gmc Suburban Sle K1500

Hi i have an 99 gmc suburban i have to correct the steering. i can drive in the middle of the road and the steering wheel will be either more to the left or more to the right about 2inches i have ...

I'm.having Car Trouble

I have a GMC envoy 2002 and the reduce engine power light came on .. What does that mean the truck is running good but then I turn it off let it sit for a minute then it came off

2015 Terrain Transmission Powertrain

powertrain connection faulty

4x4 Wd 2nd Light Off Truck Run Or Not

Can 4x4 wd doesnt work does truck still runs

ATF & Raiator Coolant

I am an original owner of a 2001 GMC Sierra 1500, V8 (5.3 Vortec) with 131000 miles now. Flushed the Radiator and Transmission 2 times each so far. Do I need to replace the Radiator or just flush it...

My Truck Died In Flight, And Now Will Crank But Won't Start.

was heading to work this morning and I was coming around a turn. When I came out of the turn, I hit the gas hard, then my truck died. I tried to start it but It would crank, but wouldn't start. I c...

Rear Light How Do I Fix This

Some one help me my trk s a 2011 gmc sierra having trouble with the rear lights signal and everything else works but the light went i turn the lights on i already check the bolt and bought them bu...

Gmc Envoy Won't Start

2002 cmc envoy. intermittently won't start. turn the key and everything lights up but no ignition at all. i had the gear shift switch/sensor fixed and i thought that was the problem which seemed to...

Location Of Blower Motor

Mass Air Flow Sensor

I drive a 2003 GMC Sierra 4.8l v8. When my mass air flow sensor is plugged in, my rpms jump up and down and I have virtually no power. When it’s unplugged, it runs fine, but no gas mileage and it ...