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Old 12-08-2011, 09:30 PM
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Okiespaniels Okiespaniels is offline
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Theres a piece of foam probably balled up in the bottom of the heater core tank.My heater core had the same issue untl I cleaned out the tub.

Is this elbow/ wire thing you described a cable? I understood that the blend door is vacum controled. I believe thats a hold down.

The "blend door" which controls the heat form the core, is not functioning. My guess is when you pulled the HVAC unit down, you disconnected or broke the vacum feed line. If you are limber enough, you might be able to get your fingers up near the top of the HVAC unit near the center hump. You'll be able to to feel about until you find the nipple and the hose. reconnect and all should be right.

I wish more people would provide longer descriptions of problems. Intewrnet diagnostics are dicey enough as it is.

Last edited by Okiespaniels; 12-08-2011 at 09:38 PM.
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