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TC knock?

Discussion in 'The Garage' started by DavidB, Jun 28, 2006.

  1. DavidB

    DavidB 1/2 ton status

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    My 454/TH400 sounds like a knock, but it sound like it's coming from between the 2. What might it be? Just got it, haven't run it much.
     
  2. hack500

    hack500 1/2 ton status

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    cracked flexplate is a possible.
     
  3. DavidB

    DavidB 1/2 ton status

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    Hm, yeah, could be. Only does it in N.
     
  4. resurrected_jimmy

    resurrected_jimmy 1/2 ton status

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    a friend of mine had one that behaved like that, would only do it in neutral and we were convinced it was a bad cat until we spent about an hour looking listening and beating on stuff with a rubber mallet to try and figure out where the rattling noice was coming from. Damn flexplate
     
  5. b454rat

    b454rat 1/2 ton status Premium Member

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    Cracked flexplate makes a chirping sound, and sounds like yours might have loose torque convertor bolts.
     
  6. DavidB

    DavidB 1/2 ton status

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    Yeah..kinda clunkish.
     

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