heater wont stop heating even when dial is all the way to cool

ID Status Date Year Make Model Transmission Type A/C Controls Public/Private
#13147 Closed 2002 GMC sierra public

heater wont stop heating even when dial is all the way to cool

Sparky

The problem is most likely with the temperature door actuator. The following article should help explain the issue.

2004 Chevrolet Tahoe Blows Hot Air

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