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Thread: Broken crownwheel bolt, replace 1 or all? where to buy?

  1. #11
    Join Date
    Jan 1970
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    Wantirna South, Vic
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    Well I thought I'd try to extract the remainder of the bolt from the crownwheel and carrier. Imagine my surprise to not only have it spin freely, but to find that all the other bolts were only just more than finger tight! So I'm glad that I've pulled it apart and found the problem. Definitely going to pull the front diff and replace the bolts in it too. Probably worth retensioning all the other bolts too.
    Regards, Will

    Stornoway Grey '09 D3 TDV6 SE, 2015 TERRITORY Engine at 348k
    LLAMS, FYRLYTS, OL D4 Bar
    Safari Snorkel, D4 hitch, ARB CKMA12

  2. #12
    Join Date
    Aug 2006
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    Melbourn(ish)
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    clean well, degrease, prime the threads and the bolts with loctite 7140 (from memory its the cleaner and primer) then use loctite 262, let it setup for 24 hours before you put oil in the diff.
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

    Fozzy, 2.25D SIII Ex DCA Ute
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  3. #13
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    Jan 1970
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    Thanks Dave. Got a sample bolt out so will chase new ones tomorrow. Hoping to find Grade 10. I assume spring washers will be suitable?
    Regards, Will

    Stornoway Grey '09 D3 TDV6 SE, 2015 TERRITORY Engine at 348k
    LLAMS, FYRLYTS, OL D4 Bar
    Safari Snorkel, D4 hitch, ARB CKMA12

  4. #14
    Join Date
    Jul 2006
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    Brisbane, Inner East.
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    Quote Originally Posted by winaje View Post
    Is this the kind of thing you mean? Hand Tap Chrome Alloy 3/8" UNF - Classic Fasteners
    A quality 3/8 UNF intermediate thread tap?
    That is a very expensive shop. Brian's Retirement Sale is miles cheaper and only stocks high speed steel taps and dies.
    URSUSMAJOR

  5. #15
    Join Date
    Jan 1970
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    Wantirna South, Vic
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    Quote Originally Posted by Brian Hjelm View Post
    That is a very expensive shop. Brian's Retirement Sale is miles cheaper and only stocks high speed steel taps and dies.
    Ummm, I'm a little confused by this...
    Regards, Will

    Stornoway Grey '09 D3 TDV6 SE, 2015 TERRITORY Engine at 348k
    LLAMS, FYRLYTS, OL D4 Bar
    Safari Snorkel, D4 hitch, ARB CKMA12

  6. #16
    Join Date
    Jul 2006
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    Brisbane, Inner East.
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    Quote Originally Posted by winaje View Post
    Ummm, I'm a little confused by this...
    Brian's Retirement Sale is my business. I sell machine shop supplies, plus taps and dies of many systems including obsolete, hard to find, "no longer available".

    PM me the size and pitch of whatever tap you need. Always quote the pitch. There are as many as five pitches in some diameters.

    Quoting the pitch removes the possibility of being sent the wrong one. Buy some screw pitch gauges and learn to use them.

    High Speed Steel taps are more accurate, last longer than carbon steel or chrome tungsten hand taps which are really for the hardware & tool shop trade.

    Taps come in three "leads". Taper taps have a 7 thread lead, intermediate taps have a 5 thread lead, bottoming taps have a 2 thread lead. A taper tap is rarely used in machine shop work or in machine tapping. Intermediate lead will do most work except tapping to the bottom of a blind hole.

    If you seek high quality fasteners, try Bruce Gardner, B.S.F. Bolts, 0408 056 255.
    URSUSMAJOR

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