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Thread: Pilot bearing went in too easy...?

  1. #1
    Join Date
    Feb 2005
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    1995 M3

    Pilot bearing went in too easy...?

    When I replaced the pilot bearing, the old one I used a slide hammer on. The new one I was able to push all the way in with one finger. Its not totally loose as when I turn the inner race it doesnt spin the whole bearing and operates as expected. I just wonder when some vibration and operating temps if it ever would spin the outer race.

    How difficult should it really be to put in? The replacement bearing was Fag brand.

  2. #2
    Join Date
    Oct 2003
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    99 M3
    Which brand of bearing did you buy? FAG, SKF?
    I have seen references to locktite bearing locker.


    Sent from my iPhone using Tapatalk

  3. #3
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    are slow.
    That's not right. I would try another pilot bearing, it sounds out of tolerance. You should have to tap it in with a mallet.

    Do you have a way to measure the old and new bearing?

    I have seen this for some bearings, but BMW puts them dry from the factory.
    https://www.amazon.com/Loctite-55533.../dp/B00070LQWE
    Last edited by Hova; 01-23-2020 at 12:26 PM.
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  4. #4
    Join Date
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    Quote Originally Posted by bluptgm3 View Post
    Which brand of bearing did you buy? FAG, SKF?
    I have seen references to locktite bearing locker.


    Sent from my iPhone using Tapatalk
    FAG brand. I might take the pressure plate back off and put some red on it just to feel better about it. It cant wobble and definitely would work as is, it just wasnt quite as tight as I expected


    Quote Originally Posted by Hova View Post
    That's not right. I would try another pilot bearing, it sounds out of tolerance. You should have to tap it in with a mallet.

    Do you have a way to measure the old and new bearing?

    I have seen this for some bearings, but BMW puts them dry from the factory.
    https://www.amazon.com/Loctite-55533.../dp/B00070LQWE
    I could have put calipers on it and the old one. The old one I think already went out with the trash. If I take the new one back out to loctite it then I'll measure it just to see.

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