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defrost

  1. Windshield defrost problem

    Body and Interior
    Working on a 1971 nova with factory a/c. Heater blows nice and hot, i can get the dash vents to work and the floor vent but when i push the lever down for defrost for the top vents to work right up near the windshield i get nothing out of those. i'm wondering if i didn't hook up a vacuum pod or...
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