AC problem

Tiny
CANDY1974
  • MEMBER
  • PONTIAC GRAND PRIX
Hey,
I have a 1992 Pontiac grand prix le 3.1.
The air conditioner will blow out at the defrost but no other vents, I need help please.
Any suggestions on where to start and what to look for?
Thanks,
Candy
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Saturday, August 25th, 2007 AT 4:38 PM

1 Reply

Tiny
RCAIN
  • MEMBER
Hello, I own an 89 GP and mine was doing the same thing. I'm not sure if the 89 and 92 models are the same but, what I found is, behind the ac/heater module, there is a vacuum adapter that controls where the air is to be distributed. Possibly, one of the vacuum lines may have come off do to vibration. If not, you can buy a new adapter for less than $20.00 at any parts store.
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Friday, September 14th, 2007 AT 10:42 PM

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