GMC SIERRA

My A/c And Heater Blow On And Off.

My A/c Compressor Clutch Wont Engage, But When Power Is Shot To It, It Engages. Wont Stay On By Itself So It Just Blows Hot Air.

Have A Truck That Is Draining My Wallet That Needs A Transfer Case 246 Now. I Am Going To Sell As Soon As Fixed. Do I Buy A Used Transfer...

Originally Would Start After Long Cranking, Problem Got Progressively Worse. Now Will Not Start At All. No Spark And No Injector Spray....

Had An Intermittent Situation Where The Speedometer Would Jump Around When Hitting Bumps And Truck Would Cut Out (brake Light Would Come On...

Had Been Sitting For Two And Half Weeks This Winter. When I Started It Up And It Shut Off After Five Minutes And Will Not Restart. I Had...

I'm Working On A Truck For My Boss, I Pour Concrete By Trade, But Am One Of Those Jack Of All's, So A U-joint Replacement I...

Was Sitting At Red Light, Light Changed, I Pushed Gas And A Loud Pop Came From Under The Truck. Truck Wouldn't Hardly Budge. I Had To...

When I Turn On The Left Turn Signal It Flashes Four Times Then Says Fault Detected And Hyper Flashes. It Is A Denali So It Has The Led...

My Truck Is A 1500. The Voltage Will Read 15+ Volts Once In A While It Will Drop To Normal 14 Volts But A Couple Times It Would Drop To 12...