AC/Heater from the wrong vents
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iTrader: (1)
Joined: Nov 2008
Posts: 120
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From: TX
Car: 1990 Iroc-Z
Engine: 5.7 TPI
Transmission: 700r4
Axle/Gears: 3.23
AC/Heater from the wrong vents
Both my heater and AC work great, and all the settings on the control panel work flawlessly, the hot/cold adjustment slider works, as to the 7 individual options.
However, they only blow through the defroster vent. No matter what setting I use, I get nothing from my front vents. I can feel a draft near my feat both with heater and AC. When I set it to bi-level, i can feel a little bit of a draft from the vents, but not much at all.
Before i go riping apart my dash, are there any specific parts that would cause this? I am not to familiar with the ductwork and such in these cars.
However, they only blow through the defroster vent. No matter what setting I use, I get nothing from my front vents. I can feel a draft near my feat both with heater and AC. When I set it to bi-level, i can feel a little bit of a draft from the vents, but not much at all.
Before i go riping apart my dash, are there any specific parts that would cause this? I am not to familiar with the ductwork and such in these cars.
Member
Joined: Mar 2004
Posts: 222
Likes: 0
From: louisiana
Car: 92 rs & 89rs
Engine: 305
Transmission: auto & t5
Re: AC/Heater from the wrong vents
i had the same problem with my car a while back . i am not sure what exacly what the part was called but i think it was called the a/c switch. if you take the control unit out on the back side there is a little round piece with i belive 5 vac lines going to it. this piece has a rubber gasket in it that controls where the air goes. this gasket dries out after awhile and needs to be replaced . i did this {real easy to replace} and now my air works great .hopes this works out for you good luck.
also make sure all your vac lines are good under the hood.
also make sure all your vac lines are good under the hood.
Thread Starter
Member
iTrader: (1)
Joined: Nov 2008
Posts: 120
Likes: 2
From: TX
Car: 1990 Iroc-Z
Engine: 5.7 TPI
Transmission: 700r4
Axle/Gears: 3.23
Re: AC/Heater from the wrong vents
Wow I feel dumb. I had replaced all my plugs and wires, and must have dislodged a vacuum line that i didn't notice. Works great now! thanks!
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