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clunk in the rear end

Discussion in 'Chevy Trucks' started by VThick, Nov 30, 2003.

  1. VThick

    VThick Junior Member
    from Vermont
    Messages: 29

    Has any one had a problem with a clunking noise/feeling in the rear end of an 2000 Chev 1500? I have had the rear diff fluid changed with an anti-slip additive added. Still no luck stopping the clunk noise. The U-Joints are new as well. Does anyone have any suggestions?
     
  2. VThick

    VThick Junior Member
    from Vermont
    Messages: 29

    Help needed

    Has anyone seen or heard of this being a problem?
     
  3. ShiznityZ28

    ShiznityZ28 Junior Member
    Messages: 7

    when does it clunk? What kind of differential? HD locker or posi?
     
  4. Big Nate's Plowing

    Big Nate's Plowing PlowSite.com Addict
    Messages: 1,266

    either the spider gears are worn out already (burnouts, spinning in snow) or the pin is worn or something went to hell with the locker-posi ( unless not equipped)
     
  5. ShiznityZ28

    ShiznityZ28 Junior Member
    Messages: 7

    Thats what i am thinking. clunking excpesually around turns point to posi/diff does the truck do one wheel spins in mud/snow or during burnouts?

    you could have cracked,chiped or broke a tooth in the gears but that would be a violant clunk that gets worse with time.
     
  6. VictoryRedK1500

    VictoryRedK1500 Member
    Messages: 47

    It could be the slip yoke. This is a known problem with these trucks, and it causes a clunking sound when you take off from a stop. GM came up with a nickel plated yoke to try and remedy this problem, but I am not sure if it has helped or not. There is a TSB on this problem, but I don't know the number.