Rear htg./ac does not transfer properly from overhead to side panel vents.

2004 FORD EXPEDITION
140 MILES
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SAMIKE
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  • 1 POST
A constant "thump, thump" sound is made when the blower fan is turned on
and the air does not come out of the overhead vents. The switch light is showing green when it changes over, but the air is not being re-routed.
May 27, 2012 at 4:00 AM
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