Question about 2002 GMC Yukon XL
I'm going to assume that is on both sides of the cab? I'm going to say you have an actuator problem, if it's in fact only blowing cold in the rear, and not in the front. The actuators are prone to problems on the gm product lines. Even more with a weak battery.
Posted on Jun 19, 2009
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Posted on Jan 02, 2017
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