WTF could have caused this! (diff carnage)

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  • BigD
    E30 Enthusiast
    • Jul 2006
    • 1085

    #1

    WTF could have caused this! (diff carnage)

    Some of you may have seen an earlier thread from me about having my mute clunk in the rear end turn into banging on the track, and a binding feeling as the wheels go through the rotation.

    Long story short, this was in my diff case. The one on the top left was jammed in the ring gear, causing the binding. The ring and pinion actually look good so maybe I don't have to find a new 3.25 afterall. But what in the world caused this! At first I started thinking the p/o maybe threw some bolts in there just to fuck with me... but then I saw there looked to be places for bolts in the ring gear, inside of the big mother bolts that hold it to the LSD. And sure enough that's where these came from, most of them are sheered off. As you can see one managed to come clean out...

  • BigD
    E30 Enthusiast
    • Jul 2006
    • 1085

    #2
    Ripped the diff apart to see if the ring and pinion can be saved... the ring gear is clean but there's a pair of damaged teeth on the pinion, looks like a chunk of bolt got fused onto one tooth, freaky. I'm not sure if it can be saved... I guess it's just not worth the trouble since this is just a run of the mill E28 diff.

    Still though, what the hell could have happened... other than that one bolt coming loose that has a rounded head (note above it's in one piece, then the others shook loose... the p/o is a mechanic, maybe he hacked this thing)










    Pinion damage:

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    • BTP325ic
      Banned
      • Apr 2009
      • 700

      #3
      Wtf!!!!!

      Comment

      • Hartge_H27
        E30 Mastermind
        • Jun 2006
        • 1699

        #4
        damn i have never seen something like that.

        Comment

        • slo325i
          E30 Addict
          • Aug 2008
          • 417

          #5
          Just weld it!!! and drift with it!!! woot woot


          '89 325i - Totaled... good bye my love...
          '87 327i budget stroker - SOLD!!!
          '92 240sx - ca18det powered drift toy - SOLD!!!
          '89 325i - coupe - NEW daily
          '96 Audi A6 Quattro- Grocery getter/baby hauler
          '99 Busa - weekend wheelie monster

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          • BTP325ic
            Banned
            • Apr 2009
            • 700

            #6
            hahah +1 weld those spider gears up, and DO WORK!

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