Question about 2005 GMC Sierra

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Air con The air condition only works from time to time, quits for no reason.This is on a 2005 GMC.

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  • lorrain120 Oct 03, 2008

    The blower works fine,but no cold air.The cluch kicks in, that seem to work also,

  • lorrain120 Oct 03, 2008

    I also replace the modual,( control in the dash ) 500.00 bucks, did not help.

  • Marc May 11, 2010

    When you say it quits, do you mean it stops blowing, or the air is still blowing but no longer cold?

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Have you a/c compressor relay checked. also check your evaporator coor and your condenser to see if they are clogged to where the air will not flow threw. that can cause some problems for the a/c. if it cant breath it cant cool. all so i no this sound stupid but check your air filter to your intake. i have seen a dodge that would not blow cold air or much air at all cause the breather filter was completly stopped up

Posted on Oct 03, 2008

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