1993 GMC Sierra 2500 Pickup defroster

  • 1993 GMC C2500

70,000 miles, 350 engine

When I switch the heating function to defrost, it sounds like the air is blowing against something in the dash, but very little comes out of the vent. How do I get the air directed to the windshield vent? :Wink:

Do you
have the same problem?
Friday, November 2nd, 2007 AT 8:32 PM

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