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  1. #1

    Default 2008 Yukon XL Front A/C blower working, but no air out of registers

    Anyone had this problem? While driving at highway speeds, the air coming from the A/C vents faded away to nothing. It was set on AUTO, temp at 72, recirc not on, set to blow from dash registers. Monkeyed around with selector switch, got better only for a short time, then no air out registers. Turning fan on HIGH, you could hear lots of air under the dash, but nothing out registers. Turned truck off for an hour - restarted - it fixed itself, but only for a short while again. Traveled, then turned truck off for another couple of hours, got better again! Cold air was not an issue - just nothing coming from the vents. Rear air was fine. Never had this problem before. Any ideas?

  2. #2

    Default

    Sounds like one of the actuator motors is going bad. You could always try to pull the fuse for the HVAC. Leave it out for a minute or so. Then put it back in, turn on your hvac controls. Then do not touch anything, let it sit for a minute with the key on. The actuators should recalibrate.

    1995 Silverado 4x4
    6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
    4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge

    2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system, Russell Braided SS brake lines, PowerStop Brake pads, PowerStop cross drilled and Slotted Rotors, http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
    2002 Silverado ext cab 2wd (Sold)
    2003 Yukon XL (Totaled)

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