my defroster dose not work air blows out from bottom but not vents on dash...

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RaymondFrausto

New member
...or defroster? I have a 77 cutlass supreme and my defroster don't work air only blows from bottom vents not vents on dash or defroster what can this be? How can I fix it or how much will it cost
So it can be a vacuum leak... cause none of the vents work but the floor ones. How much could thus cost if I take it to a shop?
 
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kmjc8131991

New member
that's a vacuum leak its not easy to find either sorry thats all i know..... had that with the t bird and found it over two days and jb welded it hahaha
 
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