GMC SIERRA

Where Is The Heater Relay Located

I Have Been Diagnosing A Problem With This Truck All Weekend. I Thought My Injectors May Have Been Bad Until I Read A Post On Here That Said...

I Have Been Dealing With A Random Misfire Issue For Quite Some Time Now And It Has Finally Warmed Up Some Outside For Me To Do Some Further...

Truck Is A Big Block 454, With Throttle Body Injection And A 400 Turbo Transmission Just Did Full Tuneup, Checked For Vac. Leaks And Has...

1995 Gmc Sierra While Driving My Pick Up Over Speeds Of 50 Mph And Coming To A Red Light While Depressing The Brake My Steering...

I Just Started Noticing A Small Dull Sound Coming From My Engine Compartment. I Traced It To The Air Compressor. It Seems That The...

I Figured It Was The Brakes But I Checked The Brakes And It Still Had Over Another 1/4 Inch Pad Before They Wear Down. The Rotors Were Still...

Engine Knocks When First Started For About One Or Two Minutes And Then Quiets Down, Sounds More Like A Ticking Than A Knock

I Was Having Trouble With My Truck Spuddering While Idling And While Driving It. It Would Only Spudder Occasionally Tho At First But Then It...

Engine Starts Fine Hot Or Cold. When Engine Is Not At Full Opperating Temp Runs Fine. No Miss Or Stumble. When Engine Has Reached Opperating...