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Thread: 1996 GMC Leak

  1. #1

    Unhappy 1996 GMC Leak

    I have a 1996 GMC 2500 4WD. I have a leak from the AC/heater fan housing. I'm almost positive that it's not a windshield leak. Has anyone had this problem? I think that there ias a drain clogged but haven't been able to find it or how to unclog it.

  2. #2
    Sr. Apprentice
    Join Date
    Feb 2010
    Terre Haute, In


    Please before you ask questions introduce yourself. With that out of the way, welcome to the site. I believe the drain hose is your problem and it is located on the passenger side right behind the firewall. Someone chime in that knows.

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