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Home >> Buick >> 1979 >> Skyhawk Base, Automatic Trans >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heaters >> Operation >> System Controls >> Skylark >> Temperature Lever
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Temperature Lever

Controls positioning of temperature door in heater distributor. All incoming air is directed around heater core in "COLD" position, or through heater core in "HOT" position. Desired temperature is obtained by blending the heated and unheated air according to the setting of the temperature door.