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Thread: ARB RD03 :grrr!!!

  1. 18th February 2010, 10:50 PM #1
    isuzurover's Avatar
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    ARB RD03 :grrr!!!

    Trying to dismantle an RD03...

    What's the deal with these tiny little bolts!!!

    A few were slightly rounded when I pulled the diff out. Both 8mm and 5/16 ring spanners are slightly loose, but smaller sizes won't fit.

    I managed to get 3 of them out, but the others are being difficult. The spanner/socket just skips...

    Does anyone have any tips before I resort to drastic measures???
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  2. 18th February 2010, 10:54 PM #2
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    Have you tried a Metrinch spanner?
    They operate on the flats of the nuts and therefore can accommodate a small rance of sizes (hence the name - metric and inch), and burred nuts. Are available in ring, open ended and sockets.
    Roger
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  3. 18th February 2010, 11:02 PM #3
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    If you have enough room, try some vycegrips.

    Good Luck.


    Daz.
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  4. 18th February 2010, 11:03 PM #4
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    Quote Originally Posted by Xtreme View Post
    Have you tried a Metrinch spanner?
    They operate on the flats of the nuts and therefore can accommodate a small rance of sizes (hence the name - metric and inch), and burred nuts. Are available in ring, open ended and sockets.
    No joy I'm afraid (apart from the fact I don't have any metrinch stuff) - they are 12-point bolts, not 6-point.
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  5. 18th February 2010, 11:06 PM #5
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    Quote Originally Posted by circlework View Post
    If you have enough room, try some vycegrips.

    Good Luck.


    Daz.
    Unfortunately not they are partially recessed (see the bolts in the dark grey cap in the pic below).

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  6. 18th February 2010, 11:17 PM #6
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    Thanks for the pic isuzurover. They not be making it easy eh!

    How about a small amount of heat aimed at the center casing where the thread lives?


    Daz.
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  7. 18th February 2010, 11:26 PM #7
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    Actually looks like they're meant to be used with an impact driver.



    Daz.
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  8. 18th February 2010, 11:33 PM #8
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    Assuming you can't get your hands on the correct size 12 point socket then ..................
    As a desperate last resort you could don the butchers apron and try a centre punch and a few light taps with a hammer.
    As you have already been successful with a few, you'll only need to break that initial 'seal' and then you will be able to use your existing 8mm or 5/16 spanners.
    Roger
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  9. 19th February 2010, 01:41 AM #9
    Ian Ashcroft
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    RD 03

    Hi you need an 8mm bi-hex socket. Regards Ian Ashcroft
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  10. 19th February 2010, 03:34 AM #10
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    Quote Originally Posted by Ian Ashcroft View Post
    Hi you need an 8mm bi-hex socket. Regards Ian Ashcroft
    Hi Ian!!! Thanks for replying! I have an 8mm 12point (bi-hex?) socket, however it is no better than the 8mm ring spanner...
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