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Old 04-26-2002, 02:39 PM
Champa Champa is offline
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Join Date: Jan 2000
Location: Fl
Posts: 140

I am not an expert on this but here are some things the fixed similar problems in my '86 300E.

-hot air even with ac compresor on; replaced monovalve which controls wether coolant is going to your heater or not.

-air comming from every vent; vacum servos replaced, big job, dash has to come off (replaced evaporator while at it).

-A/C not responding, hot air; replaced climate control box.

Like someone before said, I would check to see if you have a freon leak first.

I don't know how things are up north, but here in florida the vacum servos rot after 10 yrs or so.

hope this helps...
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