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Pontiac
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2000
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Sunfire L4-2.2L VIN 4
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Repair and Diagnosis
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Heating and Air Conditioning
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Description and Operation
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Components/Sensors
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Air Distribution System
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Mode Air Valve
Mode Air Valve
The mode valve determines the direction of the air mix according to the input from the mode switch. The mode valve is vacuum actuated. The mode valve is located in the top of the HVAC module.