Freezing
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Junior Member
Joined: Apr 2011
Posts: 99
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From: Arlington, Tx
Car: 1988 T/A
Engine: 305 TBI
Transmission: 700r4
Freezing
My heater only blows out the defroster. I need help Im freezing my @$$ off. I do know the door behind the vents isnt opening
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Joined: Mar 2007
Posts: 3,525
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From: Arlington, Tx
Car: 91 Camaro RS
Engine: empty bay (for now)
Transmission: Built T-56
Axle/Gears: 3.42 stock posi disc
Re: Freezing
if its blowing out of the defrost vents only, then you have a vacuum leak on the HVAC controls.
Joined: Mar 2000
Posts: 43,187
Likes: 43
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Or the vacuum supply line isn't hooked up under the hood.
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