GMC SIERRA CLIMATE CONTROL

My Wiring For My Blower Motor Is Wrong So I Got Another Wiring Harness For The Passenger Side. On The Old One There Is Not Enough Of The...

I Cannot Find The Cabin Air Filter.

My Heater Core Is Leaking Coolant Into The Cab Of My Truck And Underneath My Heater Core Is A Small Puddle Of Coolant Every Day When I Go...

Checked Fuse And Relay And Refrigeration --all Are Okay. If I Jump The The 30 And 87 Pins At The Relay, The Clutch Engages And Blows...

Who Makes And Sells A Tool To Release The Dorman Connectors Which Hold The Heater Hoses To The Heater Coil? I Tried Several Auto Parts...

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.

A/c Blows Good And Sometimes It Doesn’t.

Im Trying To Change My Heater Core For My 5.7 Liter K1500 But My Boss Wont Take The Time To Help Me. (I Work In An Auto Shop Haha, Trainee...

How Do I Replace The Heater Core On My Pickup?

Heat On High On Both The Left And Right Thermostats. Out Of The 4 Vents On The Dash Only Vent #3 Is Blowing Hot Air. Vents 1, 2, And 4 Are...