GMC Questions Maintenance & Repair

Torque Specs On Body Mount Bolts?

I installed nerd bars on my 2012 gmc Sierra crew cab 1500 and the now the truck "creeks" when I turn corners

How Do I Remove My Window Crank On My 1995 Gmc Sanoma

I cant figure out how to remove the window crank

Why Has Everything Stopped Working With My Drivers Side Door

I cant open any window or lock doors, I cant move my mirrors and it dont ding if I leave the keys in it. And the radio use to stay on after I shut the car off until I opened the door, now it shuts...

Need Help With 2015 Yukon Denali Door Not Locking?

My 2015 Yukon Denali back passenger door wont unlock w/ the fob, passive unlock or with the power door locks. This is the only door giving me problems like this & it just started. At the same time...

Need To Open Rear Door To Replace Broken Handle

My van has 2 rear doors the outside handle is broken. The doors are closed. How do I open the door to access the panel in the door frame? By using the key, I can lock and unlock the door but can't...

Driver Side Window Doesn't Work

I've replaced the switch, motor and regulator on driver side window. Still doesn't work but all 3 other windows work can anyone pinpoint the issue please!

Front Brakes Line Hose 94 GMC Sierra 1500

How to I take off a brakes line hose on a 94 GMC Sierra 1500

Why Is My AC Squealing When Front AC Is On?

I have a 1997 GMC Yukon that squeals when the front AC is on. When just the back AC is on it is fine and quiet but as soon as I turn on the front it squeals. Could anyone help me diagnose what it ...

03 GMC Envoy SLT; Key Stuck In Ignition

I have a 2003 GMC Envoy SLT. Your average red with gray leather interior, nothing fancy. But it’s having this cute issue where it won’t release my key from the ignition. Had a severe battery failu...

My 2006 Envoy Rattles Badly When I Go Over A Ruff Road

No Start And Sizzling On Sterling Column

Had a new key cut for 2001 GMC Sierra. Truck will not turn over with new key and making sizzling noises on sterling column. Took key out and this frying sound still being made. Tried old key that ...

1997 GMC C3500 With A 7.4 Hard Start When Warmed Up.

truck will start fine when cold but when allowed to warm up and shut off.... the only way to restart it is to hold the petal to the floor and usually it will fire up. when warm it will hesitate an...

Idle Engine Knocking, Increases With RPM Speed?

I have a 92 GMC Sonoma 4.3L V6 and it has a knocking noise that seems to be coming from the lifters but I'm not sure. The oil gage doesnt work even after replacing the sensor. I have replaced most...

2008 GMC Envoy, Turn Ignition Switch Everyyhing Goes Dead

2008 GMC Envoy turn ignition switch, everything goes dead, no electric any where, does not try to cranck have to put a 12 vote connection on battery to reset electrical, battery not bad. Sometim...

Is My Transmission Bad?

I have a 05 GMC envoy,I can crank it and it will sit there and idol kinda rough but wene I put into gear reverse or drive it shuts off.it will not drive at all.has anyone had this problem before o...

My Truck Is Showing A P0300 Code

Ok I'm having issues when it rains my truck throws a p0300 code and has multiple misfires and I can't figure it out and I did a tune up 2 years ago and it was running great and I have changed the p...

Shift Stock On Reverse Gear

had my suv on reverse and then when i pull the shiftier to D, i heard a noise like something broke, the suv turned off and would not move at all. What could it be?

Oil And Filter Lookup

Hi, hoping for some newbie advice here. I've got a 95 sierra 5.7 in need of an oil change and I would love to order the filter and oil for delivery, but I don't actually know where I would find the fi...

GMC Sierra 1500 Exhaust System

I have a 1997 GMC sierra 1500 4.3 engine and need to replace the entire exhaust system for one with a catalytic converter due to environmental regulations. What other years of Sierra are compatibl...

All Doors, Except The Drives Door, Locked And Cannot Be Unlocked

96 gmc suburban with no way to unlock any of the doors except the drivers door. no fob, no key, not manually! drivers door can be locked manually or with the key but you only hear a click under the ...