[s-cars] '92 S4 - AC won't stay on

[djdawson2 at aol.com]

You really can't check, unless you own gauges to determine charge pressure.  There are other possibilities for system shutdown (bad low pressure switch, etc...), but I would not waste any time until you've determined that the system has an adequate charge.  I firmly believe that you will find that you have lost refrigerant, based on my experience.

Dave

 


 

 

-----Original Message-----
From: Mike Bishoff <mdbishoff at comcast.net>
To: djdawson2 at aol.com; s-car-list at audifans.com
Sent: Tue, Apr 20, 2010 3:30 pm
Subject: RE: [s-cars] '92 S4 - AC won't stay on



Thanks Dave. I had it charged the previous summer and it wasblowing out awesome air. I guess it’s possible the valves weren’t tightenedenough and the refrigerant leaked out? Prior to that, I never had any kind ofleaking issue. Is there a way for me to check on the charge myself or will Ineed to take it in?
 
Mike
 
 

From: djdawson2 at aol.com[mailto:djdawson2 at aol.com] 
Sent: Tuesday, April 20, 2010 2:15 PM
To: mdbishoff at comcast.net; s-car-list at audifans.com
Subject: Re: [s-cars] '92 S4 - AC won't stay on

 

Somewhere along the line, you probably lost your A/C charge. This is the most common reason for this behavior...

Dave

 

 

 

-----Original Message-----
From: Mike Bishoff <mdbishoff at comcast.net>
To: s-car-list at audifans.com
Sent: Tue, Apr 20, 2010 2:59 pm
Subject: [s-cars] '92 S4 - AC won't stay on

Hi Folks,









 









I have a gremlin that's bugging me and hoping you can help. Last year I took




my '92 S4 off the road and garaged it. Sometime during the year the battery




completely drained and after charging it back up I've discovered the AC




won't stay on. I hit "Auto" and the snowflake icon comes on for about 3




seconds, then goes out. Hitting any of the buttons including the manual




vents and lowering the temperature doesn't help. Fuses look good. The AC was




working perfectly prior to garaging it.









 









Any advice appreciated.









 









Mike - Seattle, WA









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