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1999 Chevrolet 1500 Pickup Question: heater problem

 

Question

jowen79, Elberfeld, IN, November 14, 2010, 19:12
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my vent wont switch to defrost or any other position all functions work ac heat just wont switch from vent where are actuators located at on this truck

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  • Answer #1

    delane 72 garage and body shop November 14, 2010, 20:07
     Master

    electic motor for heater door i can not think of name of part bleed actulater motor 39.95 atautozone.com go to heater parts

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  • Medium-star Best Answer
    DaveJHM November 14, 2010, 21:05
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     Master

    Typically the direction of air flow (defrost, dash vents, floor) is controlled by a vacuum motor. Check around under the dash for broken or disconnected vacuum hoses....it may help.

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