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strange noise 2004 2500

Discussion in 'Chevy Trucks' started by Trails End Lawn, Dec 2, 2004.

  1. Trails End Lawn

    Trails End Lawn Junior Member
    Messages: 19

    i had my plow on the other day because it was supposed to snow... and didnt. But while i was driving accross town the truck would heat up i tried angling the plow different but still did the same thing. once i got off the interstate it cooled down. My real question is the truck made a hissing noise like it was blowing off steam.. i have no idea what this might be its loud enough i can hear it while im driving. It wasent leaking radiator fluid or any fluid. Any thoughts?
     
  2. Tarkus

    Tarkus PlowSite.com Addict
    Messages: 1,113

    Is this a gas or a diesel?
     
  3. Trails End Lawn

    Trails End Lawn Junior Member
    Messages: 19

    6.0 gasser crewcab
     
  4. sonjaab

    sonjaab PlowSite.com Addict
    Messages: 1,425

    Trail..........I notice on my 01 and 04 6.0 Chevys the air cond. compressor would "hiss" at times. Esp. when I would shut it off after driving it, even if I didn't use the AC it would "hiss" from time to time...............geo :drinkup:
     
  5. Tarkus

    Tarkus PlowSite.com Addict
    Messages: 1,113


    Good point as it runs by default in defrost and you can sometimes hear expansion valve blow off when compressor kicks out.