Question about 2011 Buick Enclave
Air does not blow from defroster
Posted by Anonymous on
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Posted on Jan 02, 2017
Inside the heater box (under the dashboard) there are actuators that are similar to the ones that open your power door locks, they do go bad especially if any water leaks in from a bad heater core or windshield leak.(down the defrost vent grate). Also old age, my truck is a 2000 and I have replaced a couple of actuators.
Posted on Sep 03, 2009
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SOURCE: 98 Park Avenue blower control
It sounds like the air distribution door motor is bad. If you turn the fan speed to low with the ignition on/engine off and try to change the mode to something other than defrost, you should faintly hear a motor running. If its making clicking noises, then it is most likely stripped. This is a fairly common problem with mode door motors. It will have one on each temp door for the dual climate control as well. Those ones usually last longer.
Posted on Sep 12, 2009
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