GMC Questions Any type

I Have A 4.3 6 Cylinder Light Truck With Standard Trans It Was Running Fine...

RADIO IS ALWAYS ON

I'M SICK OF THE RADIO ALWAYS BEING ON. OR COMES ON UNEXPECTLY, SOMETIMES SCARING ME SINCE ITS SO LOUD. I WANT TO TURN IT OFF AND WHEN I WANT IT ON THEN I'LL TURN IT OFF. I'M NOISE SENITIVE.

I Cant Edit My Account

Super Unleaded In IOWA

My JIMMY WONT MOVE

My 96JIMMY WAS RUNNING GREAT AND ONE NIGHT THERE WAS A BIG CEMENT SLAB ACROSS THE ROAD (couldn't see it until you drove over it). MY TRYCK STARTED MAKING A LOUD KRESH KRESH NOISE SO I PULLED OVER ...

Newly Installed Transmission

I have a 2000 GMC Sierra, I installed a slightly used transmission, and now my gears won't shift. What went wrong?

Verify Vehicle Ownership

Your verification process is very frustrating. There are much easier and secure ways to verify like registration records and/or insurance policies. Further you are delaying the sales process needlessl...

1994 GMC Sierra Still Running Rough

Replaced a faulty fuel pump about a month ago, still runs horribly bad. I have been throwing parts at it ever since. I have replaced: Fuel Pump Fuel filter 02 sensor water temp sensor cap rotor plugs...

2015 Yukon Tail Lights

Why is GMC not recalling these cars for repair . I recently paid over 700.00 dollars to have my right tail light fixed , now the left one is out. They have to know there is a problem this was m...

,turn Signal,brake 4 Wqy Flashers,

When I apply brakes and turn signal at the same time ,front and rear left and right flash at same time. when applying brake turn signal light in mirror lights up. Lost ground????

Brake Lights

All my lights work except my brake lights that applies to the third brake light as well.

2003 GMC Yukon Ignition Switch

Put a new ignition switch in and now it won't start. It started before I changed it and now nothing what do I do??

2017 Terrain Denali

Went to start my 2017 Terrain Denali this morning & it was dead. Vehicle is garaged, nothing was left on. I'm now nervous as my husband travels & I'm home with a disabled child. I've always had Toyo...

Replaced Blower Motor, Was Working And Now Has Stopped

The original HVAC blower motor died in my Envoy. We replaced it with a brand new one. Was working for about a week and now has stopped. When I turn the heater on while idling it bogs down and bo...

94 Sierra GMC

Does the radio have to have a resistor

2003 Envoy Not Start

So my boyfriend is having troubles. He can't start the envoy. It was running and working fine. He was installing a new stero) and he noticed that the gages weren't working at all. And now there's n...

Rear Axle Ratios

Why do the new Acadias have the option for a 3:87 or 3:16 rear axle? Is the difference tied to the engine (i.e. 2.5 liter 4 or 3 liter V-6)? Seems like this should be relevant only to AWD vehicles...

It Cut Off In Drive And I Put In Park, But It Is Still Saying Drive On Dash...

Hub Bearings

What's the thickest wheel spacers I can run without harming the bearings

2015 Yukon XL Passenger Side Brake Light Out.

I have a 2015 Yukon Denali XL with the passenger side brake light recently working on and off. Took it to dealer and they want $750. Just seems absolutely ridiculous with the age of the truck and ...