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99 gmc heater

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by dog45us, Sep 16, 2012.

  1. dog45us

    dog45us New Member

    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. dipstick

    dipstick Member 2 Years 100 Posts

    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 .

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