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fresh air door.
Posted by JohnB (more from JohnB) on Wed, 14 Mar 2001 07:17:04
In Reply to: heating problems, walter, Tue, 13 Mar 2001 20:39:19
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assuming you mean the recirculation door, it's under the hood right on top of the evaporator box. It's actuated by a vacuum 'motor' or actuator that has been known to fail (I replaced mine several years ago, 87 900T). As long as you have a vacuum signal to the actuator but it doesn't work, just replace the actuator. I suppose the door hinge/pivot could be corroded or the selector on the dash cracked or a hose behind the dash disconnected, but these are low prob faults that should be considered after you look at the obvious possibilities.
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