A/C on my car

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  #1  
Old 03-22-04, 03:48 PM
gigglejump
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Lightbulb A/C on my car

Hi
Looking for the answer if anyone can help.
I have a 1980 Cutlas supreme , my a/c blows out from the bottom,
but i cant get it to blow out from the vents on the dash board.
Please help
what could it be??????
 
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  #2  
Old 03-22-04, 07:56 PM
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no AC upper vents

Usually means the doors that direct/redirect airflow aren't changing positions.

I don't know this particular vehicle, but if it isn't electronically controlled climate controls, you've most likely got a defective or disconnected vacuum control hose.

Without vacuum, there's no control.

HTH

Matt
 
  #3  
Old 03-23-04, 04:26 AM
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Not much question, it's a door problem. The unusual thing is that it usually defaults to defrost in the absense of vacuum. It could be one of the doors stuck. Check both things.
 
  #4  
Old 03-24-04, 05:39 AM
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vacuum supply line from under the hood...

...or the rotary vacuum switch in the control part in the dash.
 
  #5  
Old 03-24-04, 12:16 PM
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Re: vacuum supply line from under the hood...

Originally posted by carguyinva
...or the rotary vacuum switch in the control part in the dash.
Are they still using those things? I thought they upgraded some by now. This car is kinda old.
 
  #6  
Old 03-24-04, 12:44 PM
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rotaries...

used back then...not any more
 
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