GMC SIERRA ENGINE

I Replaced The Idler Pulley But There Is Still Bearing Noise On Start Up Then Goes Away After The Engine Is Warm.

Good Morning. I Have A Fuel Issue I Believe In My Truck Listed Above. It Idles Fine At Start Up. Under Acceleration It Chugs And Backfires...

Hi I Have A 2008 Gmc Sierra 1500 5.3l, I Live In El Centro Ca, The Weather Here Is Really Hot Like It Gets To 115 Degrees Out Here, And I...

1998 Gmc Sierra 1500. I Am Having Trouble Starting The Truck On A Hot Start. Ever Since I Did The Tune-up It Has Been Having A Problem Rough...

Installed A Rebuilt Long Block And Can Not Get Engine To Crank, Wondering If It Has To Deal With The Computer And If So How Do You Reset?

Driving With Cruise Set At 70. Engine Died, Tried Restarting While Moving, And It Wouldnt. I Coasted A Ways And Just Before It Stopped...

I Have A 1999 Gmc Ext. Cab Siera W/5.3 L, W/ 190,000ml And It Runs Good It Dont Miss Fire Or Run Rought, But When I Turn The Air Or Heat...

I Have 1999 Gmc Sierra 4x4 5.3v8 Regular Cab When I Am Driving At 40-50miles An Hour And Have To Slow Down To Say 30 And Then Speed Back Up...

2004 Gmc 5.3 Misfireing Cyl 1/3/5/7 Smail Like Eggs

How Do I Adjust The Valves On A 1984 Gmc Sierra With A 250 Straight 6 Engine, Automatic Trans?