GMC Sierra Climate Control

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...

I Have Recently Seen A Small Broken Belt Hanging Below My Truck That Is Either The Belt For The Vacuum Pump Or A/c Condenser. I Am Unsure...

Hello There, We Bought This Truck This Summer With A Rebuilt Title. Went Over The Damage Report With The Mechanic That Rebuilt It And He Was...

Evap Drips Condensation, Compressor Engages, 1234 Refrigerant Showing Charged, Engine Fan Blows, All Fuses Good. Next Steps?

Heat Set To 72 Degrees; Truck Will Start To Get Warm Then Starts Blowing Cold Air. Turn Heat Up 2 More Degrees And Starts To Get Warm Then...

Truck Listed Above Is An All Terrain. Pulled Out A/c Relay And Didn't Realize There Were Two Ways It Could Go Until I Saw The Diagram On...

The Defrost Mode Will Not Engage. It Stays On The Main Vents. I Can Change The Temperature For Both Sides Of The Truck. But Will Not Go To...

The A/c In My Truck Gets Cold And Can Fluctuate Between Temperatures As Needed Very Well. However, It Seems The Fan Speed Is Either Super...

Which Blender Is Bad? Passengers Side Blows Ice Cold And Driver Side Blows Warm. Dealer Says I Have Three Blenders, Which Controls The...

When A/c Was Working It Would Run About And Hour Then Freeze Up Then All Of A Sudden A/c Clutch Wont Engage. Check Fuses And Relay; They...