Thread: Is the heater core upstream, or downstream ????
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Old 07-22-2003, 11:40 AM
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sixto sixto is offline
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Join Date: Jun 2000
Location: Eastern TN
Posts: 20,851
Evaporator first. That's how you get only unheated air to the front and rear center vents. Unless your center vent actuator is stuck open.

Sixto
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