Question about 1991 Buick Park Avenue

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A/C problem I have the dual climate control head on my car.After recharge (134a).I could not engage the a/c on the control head.Talked to a buick dealer and he said to disconnect battery for 30 secs.This resets the programmer and the a/c pumped cold air really good..then it automatically switched from auto (a.c) to economy.I disconnected the battery again and I could engage the a/c (auto button) and everthing was fine ...but it swiched back to economy again.Do I need a new programmer??? thanks a lot for any advice Al

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  • sabian08 Jul 07, 2008

    I forgot to write that i have a 1991 buick park avenue,

  • texan kid Jul 24, 2008

    the fan don t run dash unit work comp don t come on

  • Anonymous Aug 05, 2008

    The control on the dashboard is working, blower is blowing but AC clutch won't engage. I checked the AC relay and it is not getting 12V at all. Checked fusible links, fuses-O.K. Can't locate the relay center described in the manual where it doesn't tell where to go for it. Only one relay (AC relay) on the fire wall in the middle.

  • Anonymous Sep 02, 2008

    I have a 1991 buick park avenue A/c compressor went out.Replaced with a used one.Vaccum was done on unit.134A was added to unit.Now a/c compressor will not come on at all.compressor click on 2 times when 134A was being added.Now nothing.Control and blower is working what can be wrong.Could compressor be bad.Need help.

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  • Master
  • 743 Answers

You need to check the freon to see if you have a leak.

Posted on Oct 26, 2009

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