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E28 front wheel bearing swap

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  • LeeVuong
    replied
    If engaging the hub into the ring is diffficult, simply put it in the freezer for 15 minutes. It will contract enough so it will slide much easier... Do the same when changing rear bearings.

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  • ///Mflossin
    replied
    Originally posted by Mmark View Post
    Use a Bench vise to press it on until it is flush.
    Then open the jaws of the vise until it is wide enough to match the diameter of the ABS ring, then gently tap the hub down to seat the ABS ring, rotating the assembly after each couple of taps. A brass hammer is very useful..

    Make sure the depth of the ring matches its position on the old hub.

    m

    Mark,
    Thanks. If I understand what you are saying....use the bench vice to "start" the ring onto the hub. After it has started (a few mm or so), remove from the vice, open the vice to accomodate the OD of the ring and lay the hub (ABS ring facing down) atop the vice jaws. Lightly tap with brass hammer, often rotating until the step in the ring matches the lip of the hub/bearing?

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  • Mick
    replied
    Thanks Uwe,
    This was helpful as I had to replace one of my bearings a few weeks ago.

    One mistake I made;
    My hub was so far gone that the bearings had disintegrated, leaving behind a paste of grease and bearing dust. When I removed the hub the sleeve stayed behind, attached to the spindle. In the greasy mess I didn't realize that there was a dust cap at the back of the spindle and I mangled it with the puller when trying to remove the sleeve. #2 here

    It took a little work to hammer the dust cap back into shape but it did go back on without a problem.

    Also, people should note that #3 needs to be replaced when the bearing is replaced.
    Last edited by Mick; 08-27-2007, 07:47 AM.

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  • LeeVuong
    replied
    He, he. I did the exact same thing this weekend to a spare e28 hub that will find its way in the track spare parts bin.

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  • Mmark
    replied
    Originally posted by ///Mflossin View Post
    Uwe,
    Did you pound/tap the ABS ring in place or did you use a disc that fit the OD of the ABS ring and use the puller arms on the Outermost diameter of the hub to "push" the ring on? Thanks!
    Use a Bench vise to press it on until it is flush.
    Then open the jaws of the vise until it is wide enough to match the diameter of the ABS ring, then gently tap the hub down to seat the ABS ring, rotating the assembly after each couple of taps. A brass hammer is very useful..

    Make sure the depth of the ring matches its position on the old hub.

    m

    Leave a comment:


  • ///Mflossin
    replied
    Uwe,
    Did you pound/tap the ABS ring in place or did you use a disc that fit the OD of the ABS ring and use the puller arms on the Outermost diameter of the hub to "push" the ring on? Thanks!

    Leave a comment:


  • UweM3
    replied
    Originally posted by Mmark
    Yessir.
    That is pretty much what is done over here due to the high cost of the supposedly bespoke E30M3 hub/bearing assembly.


    m
    I know that is was done many times. I just wanted to prove the point that it can be done at home with fairly cheapo tools to encourage others to have a go and save some bucks.

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  • Bavarian3
    replied
    Very nice

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  • Mmark
    replied
    Yessir.
    That is pretty much what is done over here due to the high cost of the supposedly bespoke E30M3 hub/bearing assembly.


    m

    Leave a comment:


  • Magnus
    replied
    Thanks Uwe!

    I had a rough time using a 2 armed puller. Next time I pay for the 3rd arm.

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  • MikekiM
    replied
    Thanks for pictures. Here's another writeup I found, and a source for the ABS rings should you need replacement rings.

    ABS Ring/Bearing/Hub replacement

    Leave a comment:


  • UweM3
    started a topic E28 front wheel bearing swap

    E28 front wheel bearing swap

    I might tell an old story here but thought it would be worth sharing. Apologies if this is boring and has been covered elswhere. (didn't find any detailed information when searching)

    To avoid the high cost of the M3 wheel bearing I have decided to use an E28 bearing and swap the ABS ring.

    Picture 1: E28 bearing


    Picture 2: pulling the ring off


    Picture 3: E28 bearing with the ring removed


    Picture 4: one I prepared earlier, M3 wheel bearing with the ring already removed


    Picture 5: Lord of the Rings! Left the E28 ring, right the M3 ring. Note the step in the M3 ring. The M3 ring is much wider than the E28 ring and will not be knocked down to sit flush with the bearing. It will be flush with the step inside.


    Picture 6: E28 wheel bearing with M3 ABS Ring in place.


    Job done in less than 20mins and a small fortune saved!
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