How To Replace Air Mix Actuator On 97 Buick Park Ave?


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There are 2 actually. The air mix actuator is located behind the glove box but It either allows or blocks air from passing through the heater core, thereby controlling the temperature of the air. It has nothing to do with airflow distribution. The another one located under the dash above the floor exit vent and above the gas pedal called the bi-level valve “vacuum actuator”.

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