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Thread: Noisy Serpintine belt on 94 Disco

  1. 10-20-2008, 12:00 AM #1
    unimon
    unimon is offline Low Range
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    Default Noisy Serpintine belt on 94 Disco

    I've replaced this recently for this same reason (squealing right after starting
    and the first ten minutes or so of warm up).
    Replacing it with a new one cured it but it has now come back after a couple of hundred miles. I've tried belt dressing but that will only help for a very short time. The noise seems centered on the fan clutch/water pump pulley.
    There is no coolant dripping out the weep hole in the water pump so I don't think that could be the problem. Any ideas?
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  2. 10-20-2008, 09:37 AM #2
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    Leslie
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    I'd expect that the tensioner pulley's worn....... FWIW.....
    -L

    '72 SIII SW 88"
    '60 SII 88" RHD
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  3. 10-20-2008, 04:02 PM #3
    unimon
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    I've considered the tensioner but the belt seems pretty tight. I'm a long way
    from any parts counter (Saipan) so if I order any parts I want to make sure
    I'm addressing the problem correctly.
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  4. 10-20-2008, 04:22 PM #4
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    Leslie
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    Understandable and reasonable, given location.

    I've seen other tensioners that hold tight yet squeal before the die. No guarantees that's what your problem is, but, it wouldn't surprise me if......


    Good luck.....
    -L

    '72 SIII SW 88"
    '60 SII 88" RHD
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  5. 10-20-2008, 07:06 PM #5
    unimon
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    Would a few drops of oil on the pulley bearing quiet it long enough to know for
    sure? Or- is the noise caused by the spring tensioner losing its strength?
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  6. 10-21-2008, 09:09 AM #6
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    Les Parker
    Les Parker is offline RN Sales Team - Super Moderator
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    From the info given, the most likely candidate is the tensioner pulley :-

    RND374 Tensioner V8 Discovery I
    http://www.roversnorth.com/store/p-3...tine-belt.aspx

    ERR4708 Tensioner 300 Tdi Discovery I $175.61 Special Order

    Pse advise.

    Les
    Les Parker
    Tech. Support and Parts Specialist
    Rovers North Inc.
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