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1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-31-2004, 03:50 PM   #1
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If I turn my climate control down to 16C and go look at my compressor it will not turn on? I get somewhat cool air but nothing to to scream about? I checked the fuses under the hood and are all good. Is there any other fuses to check? I see a bunch of fuses in my glove box if i drop the door are any of these part of the A/C?

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Old 05-31-2004, 06:17 PM   #2
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is a low pressure switch in series with your compressor, if the switch goes bad or you develop a leak, it wil keep the compressor from turning on. There is also a low pressure flag in the computer that once detected , will keep the compressor from turning on. To clear the flag you need to disconnect the battery for a few seconds.
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Old 06-01-2004, 09:25 AM   #3
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Can you tell me where this low presure switch is located? Maybe I can get one from a wrecker, or will replacing this switch mean I have to recharge the A/C?

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Old 06-01-2004, 02:05 PM   #4
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Does the compressor turn on under any circumstances?
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Old 06-01-2004, 03:49 PM   #5
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No it does not not under any circumstance.

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Old 06-01-2004, 07:00 PM   #6
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More than likely you have low freon in your system. Have you had the system checked for proper R-12 pressures?
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