2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

When A/C on, strange "burrruuooooop" noise from under dash.

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Old Oct 16, 2001 | 08:51 AM
  #1  
Sniper_X's Avatar
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Rotary Freak
Tenured Member 20 Years
 
Joined: Sep 2001
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From: Lawrenceville, ga
Question When A/C on, strange "burrruuooooop" noise from under dash.

1991 N/A coupe:
When A/C compressor kicks in, there is a strange "burrruuooooop" noise that comes from under the glove box. This is, of course coming from the exchanger under the dash.

What the HECK is this noise?!

Sometimes, it catches me off guard and scares the BEJESUS OUTTA ME!

(Its funny watching 1st time passengers when they hear it coming from thier
knees!)
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Old Oct 16, 2001 | 06:47 PM
  #2  
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HAILERS
Tenured Member 10 Years
 
Joined: May 2001
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From: FORT WORTH, TEXAS,USA
My GUESS, is that it is the expansion valve for the air conditioner and you are underserviced with freon or whatever you want to call it. Key word is my second one. There are at least two air conditioner service pros on this site that I'm sure will give your post some thought. Have fun.

Last edited by HAILERS; Oct 16, 2001 at 06:49 PM.
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