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Thread: Transfer case front bearing play?

  1. #1
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    Transfer case front bearing play?

    I am working on a bit of a vibration from around 90 up to 110 kph. I have replaced the engine mounts with genuine and read all 302 posts in the ultimate guide to vibrations.
    How much play should/may there be in the front bearing of the transfer case? A dial gauge mounted on the chassis shows me that I can move the prop shaft flange over 0.7 mm vertically but zero horizontally. The cardan joint feels a little bit loose but I cannot feel any actual play in it. Can anyone recommend a good shaft balancer in Adelaide?

  2. #2
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    have a close look at the carden joint, if you can "twist" it along its length at all then the center bearing is failing. if you can rotate it at all then the UJ's are failing.
    Dave

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  3. #3
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    When you "twist" do you mean "bend"?

    BIG O
    03 D2 TD5 AUTO
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  4. #4
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    Quote Originally Posted by BIG O View Post
    When you "twist" do you mean "bend"?

    BIG O
    03 D2 TD5 AUTO
    99 D2 TD5 AUTO ACE
    94 D1 TDI 3 DOOR (GONE)
    I think when he says "twist" he means "twist"

    Grab each end of the DC and turn in opposite directions.

  5. #5
    Discobaker Guest
    Line a Chinese burn in primary school lmao!
    No horseys though!😊

  6. #6
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    Quote Originally Posted by Discobaker
    Line a Chinese burn in primary school lmao!
    No horseys though!dde0a
    Exactly

  7. #7
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    A twist would mean uni

  8. #8
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    I've got a TC in the shed which sounds similar, I thought it was front shaft then front diff, CV's etc etc until a mate was under it one day and grabbed hold of the front shaft and moved it up and down but mine was about 3mm not .7mm so out she came and the bearing is stuffed.

    It was just before a big trip and I chucked a spare I had in the shed in which leaked but was quiet which fixed the vibration which was driving me nuts at anything over 90kmh.

    Cheers Casper

  9. #9
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    Quote Originally Posted by BIG O View Post
    A twist would mean uni
    True, but given way the centre bearing is mounted I'm not sure how you'd be able to test without involving some kind of twisting of the uni's. I guess there is a certain amount of observation of where the movement is occurring involved in checking.

  10. #10
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    Thanks Casper. Did you replace the box or just the bearing?
    I am still unsure how much play is normal. We want to go down to Adelaide over Xmas and I don't have time to get parts and fix it before then. If the play is within normal limits, then I wil just go and fix it when I get back.
    In relation to the carden, I cannot see or feel any play when I try to twist it nor when I try to bend it, but it does feel just a little bit looser than a single universal when I grab it and try to push it up or down or right or left.

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