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    1. 04-20-2012 #1
      DarkoNova's Avatar
      DarkoNova
      DarkoNova is offline Registered User
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      Rattling/tapping noise from TKO

      Finally got the new engine running perfectly. Drove up to a friend's house and noticed that as the rpms increase, there's a rattling/tapping sound coming from the trans that gets louder with the rpms. There's no noise if I'm parked and rev it in neutral. I don't remember if it did this before because I haven't driven the car in about 3 years. I have an American Powertrain hydraulic clutch setup if that matters.



      Is this the infamous "rocks in a can" rattling sound I've read about TKO's having?
      Matt

      69 Nova - 357, TKO600, Tru Turn, some other stuff, awaiting LS1 swap
      71 Duster - all stock, slant 6, automatic. awaiting HEMI/T56 swap
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    3. 04-21-2012 #2
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      DarkoNova
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      Anybody?
      Matt

      69 Nova - 357, TKO600, Tru Turn, some other stuff, awaiting LS1 swap
      71 Duster - all stock, slant 6, automatic. awaiting HEMI/T56 swap
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    4. 04-23-2012 #3
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      DarkoNova
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      Here's a short video of the noise:



      It's that really fast tapping sound.
      Matt

      69 Nova - 357, TKO600, Tru Turn, some other stuff, awaiting LS1 swap
      71 Duster - all stock, slant 6, automatic. awaiting HEMI/T56 swap
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    5. 04-24-2012 #4
      CFster
      CFster is offline Registered User
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      Maybe talk to Brad at Liberty Gear. My TKO is at his shop right now being rebuilt.
      '67 GTO - LS3, 4L60E, SC&C AFX Package, KORE3 C6 Z06, Boyds PT-09s

      https://www.pro-touring.com/showthre...7-GTO-LS3-Swap

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    6. 04-25-2012 #5
      another69
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      Man, that sounds really bad- does it do that in all the gears? Its obviously not normal
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    7. 04-25-2012 #6
      DarkoNova's Avatar
      DarkoNova
      DarkoNova is offline Registered User
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      Yup, all gears. Goes away when I push the clutch in and comes back when I let it out.

      Possibly damaged pilot bearing? I'm kinda just waiting for people to throw some ideas out because I'm dreading pulling the tranny back out. :(
      Matt

      69 Nova - 357, TKO600, Tru Turn, some other stuff, awaiting LS1 swap
      71 Duster - all stock, slant 6, automatic. awaiting HEMI/T56 swap
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