windshield wiper fluid

  1. T

    2001 chevy tahoe z71

    Hi! The heat in my truck works but will not switch over to defrost or on my feet. Can any one PLEASE tell me what the problem is? Also, I have to fill my anti-freeze often and can smell it thru the vents, although I haven't seen it leaking on the ground or anywhere else. Can anyone advise as to...
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