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88 Cherokee Piston Slap? Nope, Cracked Flexplate

Discussion in 'Quitters' Club' started by Focker, May 30, 2017.

  1. montanacj

    montanacj Member

    That motor is pretty bullet proof but like the others said you never know. Plus the wife is supporting it nice move, well played.
     
  2. Focker

    Focker That's a terrible idea...What time? Staff Member

    I got it! (y)
     
    ITLKSEZ likes this.
  3. Glenn

    Glenn Kinda grumpy old man Staff Member

    Picture of you in the driver's seat?
     
  4. ITLKSEZ

    ITLKSEZ Hope for the best, prepare for the worst

    If I had time right now, I'd so photoshop his avatar onto the pic of the CL ad! :D
     
    Glenn likes this.
  5. Focker

    Focker That's a terrible idea...What time? Staff Member

    Tomorrow. ;)
     
    Glenn and givemethewillys like this.
  6. Focker

    Focker That's a terrible idea...What time? Staff Member

    As if I didn't do enough today...
    [​IMG]
     
  7. ITLKSEZ

    ITLKSEZ Hope for the best, prepare for the worst

    Hahahaha!!
    Yeah, like that!
     
  8. Glenn

    Glenn Kinda grumpy old man Staff Member

    That works! :)
     
  9. Focker

    Focker That's a terrible idea...What time? Staff Member

    [​IMG]
     
    Twin2 and ITLKSEZ like this.
  10. ITLKSEZ

    ITLKSEZ Hope for the best, prepare for the worst

    How bad does it run/sound?
     
  11. Focker

    Focker That's a terrible idea...What time? Staff Member

    It drove great, but if it sits and idles...The slap sound starts. I'm uploading a video I took of it right after I got home. If you pull the wire off the thingy at the throttle body it should die (in theory) but doesn't. Revs high then low, slaps (knocks) then repeats the rev cycle.

    My son found out and wants it too. This is going to turn into a family rig...This is going to be fun. (y)

    I want to keep this thread open, but will move it to Quitters or Off Topic.
     
    ITLKSEZ likes this.
  12. Focker

    Focker That's a terrible idea...What time? Staff Member

    Maybe I'm being too optimistic? :whistle:

    This video isn't doing the rev thing...Just knocking. :worry:
     
  13. Glenn

    Glenn Kinda grumpy old man Staff Member

    Ummm, that is way different than knocking.
     
  14. Glenn

    Glenn Kinda grumpy old man Staff Member

    I think that might be your daughter, not you.
     
  15. Focker

    Focker That's a terrible idea...What time? Staff Member

    I'm too ugly.
     
  16. 47v6

    47v6 junk wrecker! 2023 Sponsor 2022 Sponsor

    Thats a bearing seizing. Look at the A/C compressor. I bet its something on the front of the engine
     
  17. ITLKSEZ

    ITLKSEZ Hope for the best, prepare for the worst

    ^That was my first thought too.

    If it's in the rear, check the torque converter. That is way too loud and random to be internal. I'd bet the engine is fine.
     
    Last edited: May 31, 2017
  18. rejeep

    rejeep Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

    pull the belt off

    I had a renix 4.0 with piston slap and a knock... 40K miles later sold the truck and its still being driven...
     
  19. jpflat2a

    jpflat2a what's that noise?

    harmonic balancer coming apart ?
     
  20. ITLKSEZ

    ITLKSEZ Hope for the best, prepare for the worst

    A friend of my wife's has a Nissan crossover SUV thing that was making that same noise. It was the AC compressor.

    If that's all it is, you scored big time.