Question about 2003 Chevrolet Silverado 1500

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I have a 2003 silverrado that only blows heat out of the passenger side what could cause this?

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You have a failed passenger temperature door actuator. To replace you have to remove the dash, the actuator is located on top of the HVAC module behind the dash in the center. After replacement the actuator has to be re-calibrated with a scanner.

Posted on Oct 05, 2010

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-----------
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