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  1. #11


    you can try and get in there and move the blend door by hand. I beleave but dont quote me on this, it will be one of the actuators on top of the hvac box.

    05 silverado shortbed

  2. #12


    ok thanks ill try that
    Ol' Mossyback :great:

  3. #13


    If air only comes out of the defrost that could mean the linkage assembly on the side of the suit case box is broken, happened on my truck but have no fixed it yet.

    1995 Chevy Silverado
    Fully loaded!!!
    4Wheel Drive
    5.7 Liter
    Best Engine In The World!!!!!
    Once i had a nearly dead battery and was only able to get 1 slow crank per attempt, Once to the fifth crank she fired up! (True Story)
    Do you have a Tahoe,Yukon or a suburban? Join My Group

  4. #14


    I had a similar issue with a 96 Suburban. Vents were stuck on Defrost and there was no heat.
    I replaced the HVAC control panel and it fixed both.

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