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Poll: What broke in your 10/ 12 bolt rear?

Discussion in 'The Garage' started by 84k5, Jun 17, 2003.

  1. 84k5

    84k5 1/2 ton status

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    Dublin, CA
    Thanks for entertaining me. /forums/images/graemlins/grin.gif
     
  2. BlazerGuy

    BlazerGuy 3/4 ton status

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    abcde
    Entertaining's my business and business is good! or was that killing?? /forums/images/graemlins/thinking.gif
     
  3. yellowK20

    yellowK20 Well Lubricated Premium Member GMOTM Winner

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    Location:
    Wasilla AK,
    One shaft in three years which is pretty good Cuz I have about 425HP 4.88 gears powertrax locker and 37" Mtr's and a TCI prepped 700r-4 /forums/images/graemlins/truck.gif
     
  4. Rolled

    Rolled 1/2 ton status

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    Anchorage, Alaska
    axle bent durring roll over.
     
  5. 83ZZ502_Jimmy

    83ZZ502_Jimmy 1/2 ton status

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    Location:
    Richmond, VA
    Lets see-

    I've broken:
    Side Gears
    Spider gears
    2 gov loc's
    3 ring gears
    2 pinion gears
    1 axleshaft
    1 open carrier
    1 older posi unit for 10 bolt
    1 crosshaft

    I think thats it for now...

    John
     
  6. WakeBoard&4X4er

    WakeBoard&4X4er 1/2 ton status

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    Location:
    Lee's Summit, Mo
    Ring and Pinion
    Because of
    Stock Carrier
    Because of
    bearing on the Carrier when out!
     
  7. 76k5Blazer

    76k5Blazer 1/2 ton status

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    tracy ca
    you need to add nothing i was smart and threw the 10 bolt or 12 bolt away and droped in a 14 bolt ff /forums/images/graemlins/rotfl.gif
     
  8. woody9

    woody9 1/2 ton status

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    Howell, MI
    no follow-up survey on why it happened the 2nd time? /forums/images/graemlins/thinking.gif
     
  9. Bubba Ray Boudreaux

    Bubba Ray Boudreaux 1 ton status

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    Pinion bearing, which in turn lead to ring and pinion......
     
  10. HarryH3

    HarryH3 1 ton status Author

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    Location:
    Georgetown, TX
    12 bolt: Ripped the teeth off of the ring gear 3 times in 3 years. /forums/images/graemlins/eek.gif

    10 bolt: Pounded the hard facing off of the spider gears, which then chewed up the bearings. /forums/images/graemlins/frown.gif

    Mini-10 bolt (S-10): Broke teeth off the pinion gear, with a weenie TBI 4.3L V6 and 30x9.50's! /forums/images/graemlins/shocked.gif

    I'm a big fan of 14-bolt FF's these days. /forums/images/graemlins/thumb.gif
     
  11. 79Beast

    79Beast 1/2 ton status

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    Where's the vote for "more than one of the above at the same time"?
     
  12. u2slow

    u2slow 1/2 ton status

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    BC Canada
    My buddy blew the spiders out of the 12-bolt in my '66 C10. One spider split in two and as it fell clear of the case, the ring gear picked it up and pressed it out through the diff cover. I looked really neat /forums/images/graemlins/thumb.gif

    I welded the cover and back on it went /forums/images/graemlins/grin.gif
     
  13. 87GMC

    87GMC 1/2 ton status

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    Pinion bearing
     
  14. Blazinaire

    Blazinaire 1/2 ton status

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    Location:
    Santa Maria, CA
    lets see... blew the 10 bolt govlok, snapped a 12 bolt housing clean in half (that's quality carnage folks!), blew 12 bolt ring/pinion (my own fault, thats what I get for setting up my own gears) broke a 12 bolt side gear...

    All in all I'm pretty happy with my 12 bolt /forums/images/graemlins/cool.gif
     
  15. 89GMCSuburban

    89GMCSuburban 1/2 ton status

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    Thornton, CO
    Someone replaced the pinoin seal without replacing pinion nut. Backed off on me while driving...dropped pinion into ring gear and carrier. Broke teeth on pinion and ring gear and ground chunks off the gov-loc.
    [​IMG]
     
  16. MEPR

    MEPR 1/2 ton status

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    McChord AFB
    well my 10 bolt has yet to break (its under alot of stress too, 2600lbs of truck on it, 27.5s and a whole whoping 1.8L isuzu pumping out 125hp and 150ft-lbs).
    But i know a guy who busted a 10bolt front case clean in half on his /forums/images/graemlins/burb.gif /forums/images/graemlins/rotfl.gif
     
  17. Sinful_Nature

    Sinful_Nature Registered Member

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    Non of the above for me. I had a seal go, and as I was in the process of changing it realized that the pinon screw had snapped, I thought about trying to remove it, however having a parts truck with 3/4 ton running gear under it, decide it was to make the swap.
     
  18. Emmettology 101

    Emmettology 101 3/4 ton status

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    FL
    Only thing I have broke on my 12 is the spiders. Blew them into tiny chunks and out the rear cover... got a spare set I had and welded them up. No problems after that! The following weekend I had the truck bouncing off the ground doing a hill with waterfalls(and heavy on the juice) and nothing broke... Thats when I stood it up on the spare tire!
     
  19. Beast388

    Beast388 1/2 ton status

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    Clinton, IA USA
    I chose ring gear, even though it is impossible to tell if it was the ring or pinion that let go first. When they fragged it bent the mounting surface of my factory limited slip. JUNK! /forums/images/graemlins/angryfire.gif
     
  20. muddysub

    muddysub 1 ton suburban status Staff Member Moderator GMOTM Winner

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    my garage, Henderson, NV
    40" TSLs and a stage 2 shift kit did it for mudbogAD, jus forgot to let off the gas for the 1-2 shift and bang!
     

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