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Thread: Rear Diff Clunk

  1. 14th August 2016, 04:20 PM #1
    DiscoKym
    DiscoKym is offline Master
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    Rear Diff Clunk

    Well after a bit of diagnosis or confirmation....

    Lets start at the beginning. When I bought the Disco TD5 Auto it had a whining rear diff. - Replaced with good used diff no more whining. NOTE transfer case reseal & shim at the same time. Noted a little driveline clunk, well it had 230,000km.

    About a year later A rear wheel bearing started to rumble. - replaced axle & bearing with good used one. Noted rumble & driveline clunk gone.

    Lately the clunk has got more noticeable changing gears. Today I leaned on the Disco and rocked it back & forth on the hand brake and it clunks badly. Crawled underneath and rocked it and the rear diff centre clunks inside.

    Diff is still nice and quiet, diff oil changed a couple of times since change and no metal noticed. I have read on here that the axle splines wear ( I have been towing a bit for work & holidays) and have been looking at Hy-tough (Maxi) rear axles. It now has 285,000km on it.

    That's what I'm thinking rear axle splines? What do the knowledgable one's on here think am I on the right track?

    Go to it guys..
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  2. 14th August 2016, 07:34 PM #2
    schuy1 Guest
    Check the watt link bush's on the diff for wear. I had a mystery clunk and that's what it was. Can be quite hard to detect.
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  3. 20th August 2016, 09:45 AM #3
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    wardy1
    wardy1 is offline ChatterBox Supporter
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    X 2 on the Watts link bearing
    D4 SDV6, a blank canvas
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  4. 20th August 2016, 10:44 AM #4
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    thai_tiger
    thai_tiger is offline Master Silver Subscriber
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    it might have lost its preload, they are a one time collapsible setting
    Cheers tt




    D2 2004 TD5 Classic

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  5. 20th August 2016, 10:58 AM #5
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    rangieman
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    Wont be the axle splines . The axles in a D2 are more than adequate in strength and reliability and do`nt wear
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  6. 7th October 2016, 10:35 AM #6
    DiscoKym
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    Well a little update.

    I might have got it r r r r r wrong.

    While rotating the tyres I gave the wheels a rock back and forth and it seems all my play is in the front end not the back.
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  7. 15th October 2016, 03:41 PM #7
    Mumfy1973
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    check your front propshaft joints.....if they let go it will do a lot of damage.
    Darren
    Landrover Discovery 4 The tow horse
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  8. 17th October 2016, 08:02 PM #8
    ballbag
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    Drive line play doesn't necessarily result in a clunk, just a sloppy driveline. Check your engine mounts and suspension bushes.
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  9. 19th October 2016, 08:34 PM #9
    Jazzman
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    Quote Originally Posted by Mumfy1973 View Post
    check your front propshaft joints.....if they let go it will do a lot of damage.
    Check the front prop shaft double uni joint and the preload bush inside. Easy enough to do if you have a centre diff lock. Remove the shaft and lock the centre diff go for a REAR wheel drive.
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  10. 20th October 2016, 02:52 PM #10
    DiscoKym
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    Quote Originally Posted by Jazzman View Post
    Check the front prop shaft double uni joint and the preload bush inside. Easy enough to do if you have a centre diff lock. Remove the shaft and lock the centre diff go for a REAR wheel drive.
    Front drive shaft reconditioned & balanced by hardy spicer not long ago so feel safe it's not that.

    Front axles have been out lately for ball joints and the CV's were smooth & tight (no play) while out.
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