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79 Chrvy truck heat trouble

Discussion in 'Chevy Trucks' started by jrm123180, Dec 8, 2007.

  1. jrm123180

    jrm123180 Senior Member
    Messages: 156


    So I would out plowing the storm last weekend and noticed that it was colder in my truck than i remember it being last winter. I felt the defroster and it was blowing out hot air, so I switched it to the floor and that too was blowing out hot air.

    Could the fan motor be begining to die and not blowing powerful enough? COuld I have a thermoustate thats not letting the engine get hot enought (although all the snow on the hood melts off) Could it be that one of the cab corners is allowing a draft into the truck?

    Any suggestions?

  2. wild bill

    wild bill PlowSite.com Addict
    Messages: 1,239


    check your door and window gasket's just replaced them on my s-10 felt like a 40 knot Gail; was blowing through ,the window's don't fog over with moisture .plug up ant rust holes you would be surprised how much of a difference it make's .