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Thread: 99 gmc heater

  1. #1

    Default 99 gmc heater

    1 sounds like its barely blowing, and 5 feels like a 3 comming out, could it be the flab, under the dash? but that doesnt explain why im getting cold air? i also checked both hosses for beiong hot, so i dont think its clogged

  2. #2
    Sr. Engineer
    Join Date
    Dec 2011
    Location
    11-22-boogie woogie avenue
    Posts
    308

    Default

    Clean cabin air filter on the not blowing right ..under the hood. Will be the heat/ac actuator on the no heat.
    Will be the one at the hump at floorboard..behind the cover. Come on guys answer post.
    Search and read .
    RESIDENT NUT.....MY CLAIM TO FAME .....

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