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Thread: Noise on Gearbox / Transfer Box

  1. 24th May 2008, 11:16 PM #1
    Greylandy's Avatar
    Greylandy
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    Noise on Gearbox / Transfer Box

    Hi All,

    I have a 1994 Land Rover Defender TDI. While the car is engaged in a gear and I remove my foot of the accelerator a winching / grinding noise sounds which appears to originate from close to the gearbox / transfer box. If I suppress the clutch this noise disappears. When I apply pressure to the accelerator the noise also disappears.

    So it appears as though the sound is not present when there is either power on the drive shaft or when the clutch is pushed in, thus only when the engine needs to brake the drive shaft.


    Does anybody have an idea what this could be?

    Thanks
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  2. 24th May 2008, 11:47 PM #2
    mike 90 RR Guest
    How many k's has it done?
    What type of driving is it doing (lot of 4WD work? / highway? /city?)
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  3. 24th May 2008, 11:58 PM #3
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    Greylandy
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    305,000 km and a mix of 4wd and highway. It has done its fair share of 4wd
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  4. 25th May 2008, 10:42 AM #4
    PAT303
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    Does it make noise in all gears or is it ok in fourth?. Pat
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  5. 25th May 2008, 11:55 AM #5
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    Greylandy
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    I haven't checked that specifically, but I do sometimes have trouble finding fourth. If I recall it does it in all gears.

    Any suggestions?
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  6. 25th May 2008, 12:01 PM #6
    Blknight.aus's Avatar
    Blknight.aus
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    my first guess is the input bearing on the mainshaft.

    Especially if fourth is being a pig to get.
    Dave

    "In a Landrover the other vehicle is your crumple zone."

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  7. 25th May 2008, 02:15 PM #7
    PAT303
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    If it is noisy in fourth my guess is mainshaft.If it isn't it's layshaft.Where's Dave when you need him! Pat
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  8. 25th May 2008, 04:08 PM #8
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    Quote Originally Posted by PAT303 View Post
    I<snip>
    Where's Dave when you need him! Pat
    err, right above you and about two hours before you in the thread, Pat

    Might have to hit the refresh button, or clean your cache more frequently

    or you have him on your 'ignore' list !
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  9. 25th May 2008, 04:36 PM #9
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    Greylandy
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    Thanks guys, I will check whether it's noisy in fourth and inspect the parts you mentioned. What's the cost of replacing main and/or tail shaft?
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  10. 25th May 2008, 04:37 PM #10
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    Oops, meant lay shaft not tail shaft.
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