Question about 2004 GMC Sierra

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Drivers side ac switches to heat

2004 gmc drivers side ac goes to heat stop motor and restart goes back to cool .some times for a few days and then sometimes a few min any body had this problem? thanks for any help!

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THE TEMP ACTUATOR IS BAD. SOMETIMES THE HVAC MODULE IS THE PROBLEM TOO.

Posted on Jun 16, 2009

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