Re: AC Compressor

["Paul Krucke" <pkrucke@logistics.calibersys.com>]

     They could have knocked some wires going to the fan switch/AC selector 
     switch while thy were working on your cluster.  Pull your AC/Heater 
     control panel on the dash and have a look.  Also, when you select AC 
     or defrosters, and turn on the fan, does the radiator fan come on?  If 
     it doesn't then it may definetly be something in the dash.  I assume 
     the blower still works on all speeds though?
     
     The most popular reason the clutch does not come on is a loss of freon 
     presure.  You can jumper the sender, located at the front of the 
     engine compartment nearer the battery up on top near rediator.  Should 
     have green wiring (if I am correct).  It is a 2 prong connector.  Pull 
     the wires, jump them together, turn ignition on, turn AC on.  If the 
     clutch works, your have eliminated the dash wiring problem, and it 
     points to a loss in freon.
     
     But, from what you are describing, you went from boom to bust and the 
     only variable was the shop poking around.  You may want to confont 
     them and explain your dilemma.
     
     -Paul
     87 Scirocco 16v
     87 Jetta GLi
     90 Audi 90 Quattro 20v (for sale)
     63 Bug

______________________________ Reply Separator _________________________________
Subject: AC Compressor
Author:  "Kris Tewkesbury" <tewkes@engin.umich.edu> at TGATE
Date:    8/6/97 7:13 PM


I heard everyone talking about jumpering out the switches on the compressor 
to see if it is the problem in an A/C problem.  My prob is that I had it 
recharged and after that the A/C worked like a champ for 2-3 weeks.  Took 
it in to shop for odometer replacement and when I get it back the A/C 
doesn't pump out as cold as before.  Not even close to how it was before.  
     
So, now I want to know if it is the compressor or what.  WHen the A/C is on 
the compressor clutch does not engage.  
     
Is there anything inside the dash that they could have touched that would 
make the compressor not kick on???
     
Thanks,
     
Kris Tewkesbury
86 8v
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