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What happen to my ring gear??

Discussion in 'The Garage' started by 84CUCV, Jan 12, 2007.

  1. 84CUCV

    84CUCV 3/4 ton status Premium Member

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    What would cause this to happen? shock load? if it matters its a 83 with 350 3/4 ton and 35" boggers. thanks guys

    DSC02629.JPG
     
  2. iwaxmyjimmy

    iwaxmyjimmy College web wheeler Premium Member

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    the ring gear teeth were cracked and it brokeded:D and is that mud in the gear lube?
     
  3. MattK

    MattK 1/2 ton status

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    usually it's deflection that causes that kinda thing. i suppose them not being set up right could do the same thing, but i dont really have experience with that. but yeah you more or less took the diff to its limits. is it stock? 10 bolt front right? and like iwaxmyjimmy pointed out, it's possible that your gear mud contributed to it as well hehe.

    :wink1:
     
  4. 84CUCV

    84CUCV 3/4 ton status Premium Member

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    its a 8lug 10b. guess my friend needs a 10b crap..... Not sure what it is no oil come out at all when i poped the cover
     
  5. muddybuddy

    muddybuddy 3/4 ton status

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    damn i didnt notice that its on almost every tooth, yikes. no oil coming out when u pop the cover is not a good sign
     
  6. iwaxmyjimmy

    iwaxmyjimmy College web wheeler Premium Member

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    tell him to get the axle acid tanked and rebuild it completely(new gears and carrier) only way to get all that gunk out.
     
  7. muddybuddy

    muddybuddy 3/4 ton status

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    or buy a d60 for the same price;)
     
  8. iwaxmyjimmy

    iwaxmyjimmy College web wheeler Premium Member

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    thats what i would do but he said something about needing another 10 bolt
     
  9. Goose

    Goose 1/2 ton status

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    The oil just looks nasty. I would guess that contributed.
    I had a 12b rear do something similar. My guess is small amounts of contaminant got smashed between ring and pinion creating a stress point creating a crack and then failure.

    ...after close look all the teeth are broken the same, like the stress was on the end of each, like maybe not set up right, or perhaps due to lack of oil, wear caused the backlash to change.... or something.
     
  10. 84CUCV

    84CUCV 3/4 ton status Premium Member

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    just looked at it a again. the pinon bearing is gone, nothing left to it at all. i am sure that helped also, i dont think my friend wants to spend the cash on a 60.
     
  11. bowtiepower00

    bowtiepower00 1/2 ton status

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    The pinion bearing probably crapped out and allowed the pinion to deflect, causing the ring gear failure. FWIW, I stipped the teeth completely off the ring gear and pinion on a REAR 10b- open on 285's. With a 305.
     
  12. 84CUCV

    84CUCV 3/4 ton status Premium Member

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    damn, what does FWIW mean?
     
  13. MattK

    MattK 1/2 ton status

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    for what it's worth.
     
  14. roadnotca

    roadnotca 3/4 ton status

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    :haha: Not trying to be an asshat, but the stereo is too loud.
     
  15. sweetk30

    sweetk30 professional hooker Premium Member

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    tell your friend thay are mud trucks not water trucks also. thats water mixed in with the diff lube. :eek1: :rolleyes:
     
  16. 84CUCV

    84CUCV 3/4 ton status Premium Member

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    ok thanks guys
     
  17. Chevy305

    Chevy305 6 Lug 14bsf Status Premium Member GMOTM Winner

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    if the pinion is salvagable I have a brand new ring gear unopened in its plastic wrap. I also have the pinion but the threads on the end are slightly buggared. I was thinking I'd just scrap it because what good is a ring gear without a pinion?
     
  18. Confedneck79K30

    Confedneck79K30 3/4 ton status

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    btw.... 35" boggers will do that to a 10b lol
     
  19. JEBSR

    JEBSR 1/2 ton status

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    Can't do that. Gears are machines as a set. Mixing them would just add to the trouble.
     
  20. 84CUCV

    84CUCV 3/4 ton status Premium Member

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    screw it maybe i can find one more 60. thanks
     

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