A/C worked now it doesnt. - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 07-21-2004, 06:43 PM   #1
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Default A/C worked now it doesnt.

Well I finally figured out how to charge the damn AC with freon yesturday and man the AC was kicking cold. Worked all day yesturday but when I walked out to the car this morning... nothing. I checked the pressure in the AC system and it checked out good. What could have happend between last night and today?
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Old 07-21-2004, 06:51 PM   #2
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Do you have the electronic climate control? And if so, does the temp display flash?
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Old 07-21-2004, 06:59 PM   #3
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Originally Posted by TrueWildMan
Do you have the electronic climate control? And if so, does the temp display flash?
Regular old style climate control.
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Old 07-21-2004, 06:59 PM   #4
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Check your PCM codes then. Paperclip trick.
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Old 07-21-2004, 07:18 PM   #5
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Just checked ..none... undid batt to clear... now to compressor comes on but it like ingages and disingages.
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Old 07-21-2004, 07:19 PM   #6
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Quote:
Originally Posted by russianpolarbear
Just checked ..none... undid batt to clear... now to compressor comes on but it like ingages and disingages.
It should engage and disengage. If it does it too quickly, you have quite a leak.
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Old 07-21-2004, 07:20 PM   #7
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maybe 3 seconds between...How could it work perfectly yesturday and not today.... thats rediculas...
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Old 07-21-2004, 07:23 PM   #8
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Quote:
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maybe 3 seconds between...
Well, if it'* any consolation, a leak usually happens at a fitting somewhere, and is an easy fix...

May or may not be the case here, though.
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Old 07-21-2004, 07:25 PM   #9
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How do I find where the leak is...
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Old 07-21-2004, 07:27 PM   #10
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Go to the auto parts store and get the 'leak dye'. It'll come out at the leak point, and you'll see it.
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