Thread: Heater problem
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Old 11-07-2009, 10:56 AM
erm
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Do you hear the air diverter valve switching positions when you change from heat to defrost to bi-level?

If not, the little valve in your HVAC distribution box is sticking, the valve may be defective or there's a connection/electrical problem there.

That HVAC distribution box is under the dash.
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