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Thread: D3 vibration/shudder/noise

  1. 21st July 2014, 08:32 PM #1
    morpheus
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    D3 vibration/shudder/noise

    Hello all,

    My car has developed a vibration/shudder/noise that at first seemed speed related but I am now starting to think it might be gearbox-related based on what has been posted here and on Disco3.co.uk.

    The noise becomes noticeable from about 90 kph onwards, with the vibration becoming a shudder being more pronounced at 100 - 110kph. At 110kph it kinda sounds like a low hum of a V8, and the vibration can be felt through the drivers' footwell on the left hand side. I have picked up a bit of vibration under the drivers seat too. Other thank the vibration, the drive is smooth and there is no variance in revs.

    The problem is it is a bit inconsistent and not always as noticeable. But CAN always hear it at 100-110 kph My wife cannot hear it and my mechanic couldn't pick it up - typical isn't it? I feel like I am going a bit nuts..

    I mucked around today with command shift and at the box made some low humming noises at 80 kph in 5th and 6th (obviously at low revs) but was fine in 4th.

    Car specs are as follows:

    2006 TDV6 HSE D3
    220k
    265/60/R18 Cooper AT3s
    Rear wheel carrier
    LRA tank

    Only other things I can add is that the ATF was replaced at 160k (according to the books), I had a major service and wheel alignment done on it two weeks ago and a week prior to that it had two second hand diffs installed.

    Any suggestions would be most welcome!
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  2. 22nd July 2014, 01:05 AM #2
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    unseenone
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    I think we are anxiously awaiting the outcome of this thread http://www.aulro.com/afvb/d3-d4-rrs/...th-3-0-d4.html

    It seems similar to your description, but read it over and see what you think.
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  3. 22nd July 2014, 07:03 AM #3
    stewmair
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    TDV6 07 186k. Similar problem. Occurs on occasion lasting for miles and sometimes not at all. Not related to acceleration or steering direction. Happened with old Coopers but still happens wit new Goodyears twice balanced. No effect through steering wheel.
    At first occurred at ~90kph, now at 75-80kph.
    I suspect drive line, perhaps transmission shaft. Will have to get around to having it fixed but midway between services and live in that Landrover service desert of Bendigo and have to go to Melbourne.
    My wife picked it up before I did but now we agree! Good excuse to make her new C200 Merc our primary vehicle.
    There was a thread about prop shaft problems but I can't find it.
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  4. 22nd July 2014, 08:02 AM #4
    morpheus
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    Thanks, unseenone. I hadn't read through that entire thread. It does seem similar although I get the noise in Drive too, not just command shift. I am going to try and check the propshaft for play. I think I can rule out tyres and wheel bearings.
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  5. 22nd July 2014, 08:11 AM #5
    morpheus
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    How long have you had your symptoms, stewmair?
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  6. 22nd July 2014, 08:24 AM #6
    stewmair
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    God of dreams. It started gently and less frequently about 5 months ago.
    Entirely speed related so would seem to be from the output of the transfer case on.
    Continued even after changing wheels and tyres.
    Can occur in 5th or 6th gear.
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  7. 22nd July 2014, 11:33 AM #7
    morpheus
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    Sounds exactly like what I am experiencing. The garage did tell me that they had advised the previous owner a year ago that the transfer case was 'noisy'. They didn't say anything to me recently though.
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  8. 22nd July 2014, 05:01 PM #8
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    DoctorJ
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    Could it be possible the tyres are scalloped. Why did you get the wheel alignment done?

    Cheers
    Julian
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  9. 22nd July 2014, 07:09 PM #9
    morpheus
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    Hi DoctorJ,

    I had the wheels done because I was getting a bit of shoulder wear on the inside of the rears, plus the diffs had just been replaced so I figured it was a good thing to do. I had thought it might be the tyres, and it might still be tyre related, but it seems to be more prevalent in fifth and sixth gears at the same speed.
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  10. 23rd July 2014, 08:45 AM #10
    stewmair
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    I should have included the transfer case as a possible culprit.
    Any ideas about the cost of new or rebuilt transfer case or repair?
    Done all the right services including ATF change every 80 k.
    Starting to spend too much on this car but can't see a suitable replacement considering all it does for me.
    Big question is will it survive the trip to Broome via Gary Junction then Kimberleys and Cordillo Downs next year towing my 2.5 tonne Trakmaster.
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