GMC Questions Any type

Tuck Feels Like Somone Hits The Brakes As Your Pushing The Peddle

When my 1999 gmc Sonoma engine is warmed up. Only while I push on the gas peddle it will be like someone messes with me and taps the brakes here and there. like power completely shuts off and then com...

Truck Battery Goes 9 To 14 And Back And Forth

I gotta 97 gmc 4x4 6.5L TDD and battery tells me 9 to 14 back and forth. When i brake my lights dim when i gas they dim and my high beams kick off sometimes and turn back on here and there. But i n...

Tail Lights, Turn Signal And Brake Lights Do Not Work

The tail lights, turn signal and brake lights do not seem to be working correctly. When I turn the lights on the tail lights lite up. When I step on the brake the driver's side brake light goes out....

GMC Acadia Right Tail Light Stays Dimly Lit All The Time

There are two lamps behind the outside lens that are on. The photo is a bit deceiving. LED lamps always appear brighter than they really are in photos. I don't have a clue as how these lamps are ...

Horsepower

I was told that I own a 2006 GMC Sierra SLE xtra cab short bed 4 door 4 wheel drive with a 5.3 l engine, osh Wanda build. I was told this is a Canadian build with no oil cooler lines and electric ...

Small Help

I have 1989 GMC s15 smona v4 pickup I wanna swap it with 6.0 engine but can stock axles handle 6.0 please help me and if I need to swap it tell me with what I can swap it thanks

Running Badly Until At Operating Temperature

I have a 2007 GMC Sierra with a 4.8 liter engine. When I start the vehicle it idles fine then after a few it drops and seems to skip.... if it is cold outside it will run fine but once it gets a li...

I Buying A Used Car.

considering to buy a 2002 GMA Envoy with 175k miles. What are some things I should look for? Any problem or defects should I look at.

97 Gmc 306 Votec Swaping For A 90 305

Have a 97 gmc with a 305 vortec and a 5 speed manual. Truck is in good shape. But the engine has 230000km and getting tried. Can buy a 90 chev with a 350 with only 150000km for a very good price....

Bad Gas Mileage Rough Idle

Yeah I put a new engine in my truck it's a V6 with the throttle body I've replaced every thought our body the coil the distributor the EGR valve the cylinder head to the EGR valve has new plugs wir...

Help

I have a 93 5.7 tbi surburban that bogs down at all speeds new fuel pump filter can sensor cap wires rotor what else could cause this I'm stumped

2003 GMC Envoy 4x4 Arms Removed?

Looking to buy an envoy and the guy said one of the 4x4 arms started leaking so they were pulled out and set to 2wd.... He said the car is still fully functional and it hasn't given him problems......

Towing

I have an 08 Yukon. It's has the 6.0L hybrid motor. I use it to pull my 32 foot camper. It does great except the temp rises well above normal when going uphill. My question is, if I add an aft...

GMC Transmission

Truck acts like it’s in neutral when starting in drive or 3rd (just revs). Reverse, 1st, and 2nd work. If I start in first, shift to 2nd, I can shift into 3rd, then overdrive.

Truck Has No Fire

My truck is not getting fire

99 GMC Yukon With 5.7 Vortec Won’t Stay Running

I have a 99 GMC Yukon with the 5.7 vortec. Just got it out of the shop and had fresh oil change. It sat for about a month after of getting it back and will start right up just fine. But after about...

2001 Gmc Jimmy

Lights all light up fuel pump works but won't crank at all brand new battery

I Have A 2001 Jimmy And The Mechanic Told Me That My I Think Pinions Were U...

Clutch Issue

Clutch works normal. After some time in gear troubles shifting develop. If I coast in neutral for a minute the problem goes away. What's this mean.

94 GMC Sierra Stall

I have a 94 GMC sierra 1500 350 tbi and I was on my way home in the snow one day and I was almost home and I stopped at a shop sign and went to take off again and it stalled at about 1300 rpm noth...