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Old 07-25-2006, 02:09 PM
2000CAYukon 2000CAYukon is offline
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Re: heater vent no work?

The is an actuator that moves the mode door (which controls where the air goes). Over the years, it can wears out and becomes too weak to move the door.

It is located above the tranny hump on the drivers side. The mode actuator is available thur AC Delco parts stores so you do not have to get it from a dealer.

//2000CAYukon
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