GMC VENT NO AIR

Hello, This Is Two Problems That Do Not Happen Concurrently But I Suspect They May Be Interrelated So I Have Included Them Both. The...

Air Conditioning Problem 1996 Gmc C1500 Two Wheel Drive Automatic 134k Miles When I Turn My Ac On In My 1996 Gmc 1500, And Turn The...

All Vents In The Front Blow Cold When The Heat Or Defrost Is On. Rear Vents Blow Heat Properly. All Vents Blow Cold Air For A/c.

When You Change From Defrost To Floor Heat It Stays On Defrost

Air Conditioning Problem 1997 Gmc S15 4 Cyl Two Wheel Drive Automatic Heater /ac Fan I Thank Need To Be Replaced Were Is The Fan( It)...

I Am Working On A 1998 Gmc 1500 Pick Up/5.7 Cui. 145,000 Miles. When I Press Ac/max Buttons The Air Comes Out At The Bottom. When I Have The...

I Have A 1991 Gmc Sierra C1500 That I Recently Purchased. When Using The Ventilation System, And Set Such That The Air Should Come...

When Front Dash Vents Are On There Is Little Air Coming Out. We Can Feel Some, But Not Much. Rear Roof Vent System Works Great.