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Thread: Safari 1997 vent air doesn't change as control changes, defrost air only

  1. #1
    Join Date
    Jul 2010
    Posts
    1

    Default Safari 1997 vent air doesn't change as control changes, defrost air only

    1997 gmc safari van ac works but no air comes from dash vents. changes made to AC, Heater, circulate, no change to air flow.

  2. #2
    Join Date
    Jan 2007
    Posts
    4,831

    Default

    Hi tvron1,

    We can't diagnose problems from a remote location, but the problem could lie in the vacuum harness, the switch, the servo on the HVAC housing, or one of the doors within the HVAC housing could be stuck.

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