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Thread: Viscous Fan Bearing heads-up

  1. 26th June 2014, 07:27 PM #1
    Wasa57
    Wasa57 is offline Master
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    Viscous Fan Bearing heads-up

    2000 Td5 auto sls ace @302K

    Had the fan belt off today to check the vacuum pump pulley, incidentally checked for play in the fan pulley: very sloppy.

    Ended up replacing the fan bearing, which was covered in an oil/dust slurry which I think has leaked down from the cam seal over the years. The housing had become a reservoir of sorts for the muck, causing accelerated wear of the bearing. Mind you, I have over 300K on the clock, so it must have been due for renewal anyway!

    Good idea to check yours when you next have the belt off, or sooner. Better than having the bearing overheat and weld itself inside the housing!

    -Waz
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  2. 29th June 2014, 07:32 AM #2
    Pedro_The_Swift's Avatar
    Pedro_The_Swift
    Pedro_The_Swift is offline The MOD Father
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    Pics?
    bearing number?
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!

    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]
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  3. 29th June 2014, 08:25 AM #3
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    blue_mini
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    You'd be really unlucky to have it weld to the inside of the housing.

    Far more likely is for the inner and outer race to separate. Out of action for a week when it happened to me. Had to put so much heat into the outer race I'm surprised the head didn't warp.
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  4. 29th June 2014, 09:57 AM #4
    Wasa57
    Wasa57 is offline Master
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    Pedro - for pics, I followed the excellent tutorial on www.discovery2.uk.com
    There is no way I could have done the job without it.
    My bearing replacement part number was ERR5285

    -Waz
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