Thread: a/c ductwork
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Old 11-03-2001, 04:10 PM
400E 400E is offline
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Join Date: Jun 2001
Location: Omaha, NE
Posts: 962
I'm sure someone more knowledgeable than I about ACC function will weigh in on this, but if air is coming out of the appropriate place (e.g., out of AC vents if cabin temp is higher than the temperature on the dial) but is warm instead of cold, probably a stuck open monovalve. I've had no personal experience with them, but as I recall, when they go bad, they may stick open and send hot coolant to the heater core all the time.

Might do a search on "monovalve" and see what pops up.
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Steve
'93 400E
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