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Rear A/C upper vents not working

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by KeithR, Apr 16, 2013.

  1. KeithR

    KeithR New Member

    The rear blower runs, air flows strongly out the lower vent, but does not flow out the roof vents using either the front control or rear control. I can't find any online resource yet to explain how to deal with the problem. Any ideas?

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