VENT NO AIR

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 I Set The Switch To Allow Outside Air In, It Does Not Seem To Operate. All I Seem To Get Is Hot Air, Even With The Temp Control On...

Fresh Air Vent Does Not Function. Heating Control Pannel Adjustments Do Not Work. Fan Control Does Work But All Other Settings Are...

I Am Having A Problem With The Air Conditioning And Heating System. They Do Not Work At All. It Doesn't Even Sound Like It Kicks On. I Don...

Get No Air From The Front Vents At All But The Back Vents Have Heat Checked Fuses All Are Good What Else Could It Be

One Morning After I Start The Car, I Put On The Ac, And I Realized That No Air Was Blowing Out Of The Front Vents, But Ac From The Floor...

This Problem Started About Four Months Ago. After Starting The Truck, And Then Driving For About Ten To Fifteen Minutes, The Air Vents...

Hi Everyone, I Really Need Your Help On This One. This Is Regarding My Air Vents. The Air Doesn't Blow Out At All On Any Fan Setting. I...

This Car Has Auto Climate Control. When It Needs To, The Ac Will Engage. But The Car Will Not Switch To The Dash Vents. The Cold Air Comes...

No Air Coming From The Vents, So I Want To Check The Vaccum Lines. What Is The Proceedure For Removing The Doghouse? Thanks, Randy 2002...