GMC HEATER

I Need To Find The Location Fo The Heater Valve Vacumm Line.

Number 5 On The Heater Control Doesn't Work. One Through Four Works Fine As Do All The Other Features. I Used A Test Light On The Electrical...

1991 Gmc 2500 4x4 114000 Miles The Heater Has Quit, Engine Gages Inop, Speedometer Seized Up, And Four Wheel Drive Will Not Engage....

My Heater Won't Get Hot After I Flushed Radiator, Replaced Antifreeze And Water, Inspected And Tested Thermostat And Heater Core. I Also...

My Climate Control Does Not Always Switch Over. For Instance. Couple Of Days Ago I Used Heater In The Morning. When I Switched Over To A/c...

I Recently Put A Heater Resister Switch In My Gmc Sierra 99. And I Had Speeds 1 Through 4 And The Day After It Wouldn't Blow Anything Now...

Where Is The Heater Control Valve Located.

Selector Switch For Changing From Floor To Dash To Defrost Doesn't Work. Is There Any Common Reason For This Condition?

Im Writing To Ask How You Would Remove The Pipe Sleeve Cover That The Hose Connects To For The Heater Coil In Out. The Extension That Slides...

The First Two Positions On My Blower Switsh Don't Work. How Do I Replace It And Can I Purchase It Online? Thank You.