Heat doesn't work, replaced heater core and valve. Its getting cold too!!!!
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Junior Member
Joined: Jul 1999
Posts: 52
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Heat doesn't work, replaced heater core and valve. Its getting cold too!!!!
Hey I am really confused. My vents blow air, but not hot air.
I replaced the heater core (and the little vane that switches between hold and cold is functioning also) and I replaced the valve by the throttle body, and still it won't blow hot air.
Any ideas on what else it could be?
I replaced the heater core (and the little vane that switches between hold and cold is functioning also) and I replaced the valve by the throttle body, and still it won't blow hot air.
Any ideas on what else it could be?
Senior Member
Joined: Sep 1999
Posts: 545
Likes: 0
From: Fairfax, VA
Car: 1987 Trans Am
Engine: LT1
Transmission: T-56
Axle/Gears: 10 Bolt SLP Torsen, 3.73 ratio
Check for vacume on the line to the heater control valve. Mine stopped working...and I got lazy...just tapped another vacume line that had vacume full time, and put it on my heater control valve. Now it's toasty all the time. When I move to texas I will probably remove that 
Corry
Corry
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