Question about GMC Yukon

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Rear heat in 2004 gmc yukon blows only cold air when turned to heat. driver heated seat button lights up for only a few seconds and turns off.

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  • Anonymous Nov 14, 2008

    I have an 06 Denali with the same issue. I think I will price out the actuator and have it installed. Winter is coming

  • suejohn222 Jan 14, 2009

    I have the same problem with my 2006 denali. No rear heat. I am going to check out that part. Thanks!

  • xledford Jan 19, 2009

    2003 YUKON: Rear heater blows cold air only, all controls working well otherwise.

  • Anonymous Mar 15, 2014

    I have a 2006 Yukon xl. I turn on rear heat temp on max & it blows cold.

  • Anonymous Mar 29, 2014

    MY HEATED SEAT / POWER SEAT WILL WORK ON AND OFF

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1 Answer

I have a 2006 yukon and have had to replace the actuator in the rear heat/ac twice.  It moves a valve that closes the cold/hot ducts.  It is a cheap defective part/design.

Posted on Nov 07, 2008

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