GMC CLIMATE CONTROL

I Am Trying To Find The Relay That Controls The Clutch On The Ac Compressor. It Is Not On The Fire Wall And The Local Gmc Ldealer Said It...

I Put In A New Heater Blower & A Relay Switch. The Heat Or Ac Doesn't Kick On At All, When I Start Purchased The Truck Six Months Ago It...

Air Conditioning Problem 1997 Gmc C1500 V8 Automatic 140000 Miles Ac Only Blows Out Floor Vents And Ac Compressor Wont Come On. Pulled...

I Have A Gmc Safari Awd 4.3 L Made In 2000. Recently My Air Started Blowing A Little Warm So I Bought Freon R134-a To Charge It. That Worked...

My Rear Air Does Not Blow Cold Air What Do I Look For

My Air Conditioning No Longer Blows Cold, After About An Hour Or So It Will "cool Off" But It Is No Where Near As Cold As It Was. I Know In...

I Have A 1995 Gmc Safari Mini-van, Auto, 6cyl, Air, 2 Wheel Drive, 95,000 Miles. While I Was Driving The Heater Was Working Fine But...

System Holds 27in Hg Of Vacuum After 30 Min. Of Evacuation And In Trying To Recharge Low And Hi Side Pressure Are 60psi Low & 120psi Hi When...

Hello, Hoping Someone Can Help Me Diagnose Why I Have No Power To Ac/heater Control Panel On My Truck Listed Above Sierra. Just Had An...

I Have A 2011 Gmc Sierra. My Question Concerns The Defrost. On Other Vehicles I Have Owned When Using Defrost The Ac Engaged To Assist...