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Powerwash engine - now have a knock

Discussion in 'Wrenchin' Secrets' started by Libb42, Sep 11, 2023.

  1. Libb42

    Libb42 Well-Known Member

    Solved: loose bolts holding flexplate to the back of the crank. Will be pulling transmission(again) and trying to remember why I didn’t remember to thread lock these last time as well as inspecting flex plate for damage.
    Thank you to everyone for your responses and suggestions.
     
    69WILD, Dano, Brian Albrecht and 4 others like this.
  2. Chi-Town67

    Chi-Town67 Gold Level Contributor

    That must be one hell of a pressure washer to knock them bolts loose! :)
     
    PGSS, accelr8, BUICKRAT and 3 others like this.
  3. Libb42

    Libb42 Well-Known Member

    No kidding, what a deal…
     
  4. Redmanf1

    Redmanf1 Gold Level Contributor

    Can you just remove the three converter bolts and slide the converter back to get to the bolts??
     
    john.schaefer77 likes this.
  5. Libb42

    Libb42 Well-Known Member

    I can and can likely get some loctite on the threads as well without being able to remove them, but cant see if there is any damage to the flexplate. I loosened the torque convertor bolts and slid it back and was able to tighten all the bolts. I estimate before I tightened the bolts I could move the flexplate 1/2" in either direction without turning the engine so I am worried the bolt holes have been enlarged. I tried to back them out but the hit the convertor even with it pushed back all the way in the transmission. If I wasnt worried about the flexplate I would just work some loctite up to the bolts, tighten and run it. After I tightened them it didnt knock anymore and it did move the motor when rotating by hand with no play.....so maybe the flexpate is OK?????
     
  6. Brian Albrecht

    Brian Albrecht Classic Reflections

    If it ain't broke anymore...return to washin'
     
    john.schaefer77 likes this.

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