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Thread: Strange Vibrations - Fading in & out wheel shimmy @ 80-100 km/hr

  1. 2nd September 2020, 12:58 PM #1
    esamari
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    Wink Strange Vibrations - Fading in & out wheel shimmy @ 80-100 km/hr

    Hi All,

    I have been getting a strange wheel shimmy on my 2015 110. Tyres have been road force balanced and wheel alignment done.


    The shimmy is slight but I need to get it rectified, if I can find the problem.

    At highway speeds I can have smooth driving and as I go around a long curve on the HW the shimmy will fade in and out. It lasts about 10 seconds and then goes smooth again.

    I have checked the bearings and there is no movement, and am thinking this may be a swivel housing seal or CV joint issue. Anyone else experience this and found the source?
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  2. 2nd September 2020, 04:28 PM #2
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    rick130
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    Swivel pre-load too low, panhard rod clevis bolt loose or bushes buggered or even a buggered shock can cause shimmy, although with a dodgy damper you really need to hit a bump during cornering to set it off

    When the alignment was done, did they give it toe out?
    A lot of shops that have never done a full time 4wd Land Rover before set toe in instead of toe out
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  3. 2nd September 2020, 06:39 PM #3
    esamari
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    Thanks Rick. Just checked and they are set at 0 for both left and right. There was no change in the shimmy. It was same before and after alignment.
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  4. 2nd September 2020, 06:44 PM #4
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    rick130
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    0 will be fine.

    The specs are 0-2mm toe out
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  5. 2nd September 2020, 06:46 PM #5
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    Tyre condition? I have had some really weird vibrations with tyres that are down to their last 25%

    Regards,
    Tote
    Go home, your igloo is on fire....
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  6. 2nd September 2020, 07:48 PM #6
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    muddy
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    Try a tyre rotation had similar problem or you may have to buy new front tyres
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  7. 2nd September 2020, 08:22 PM #7
    esamari
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    Tyres have >70% thread left. I have rotated tyres a couple of times now with no luck. I'll start with bushes and the the swivel preload, seals etc as Rick mentioned. Steering Damper is in good condition and I have tried a couple of different ones to see if it was the damper and am sure thats not it.
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  8. 3rd September 2020, 04:48 PM #8
    HardCharger
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    Sorry, double post
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  9. 3rd September 2020, 04:49 PM #9
    HardCharger
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    Did you re-balance the tires? It's usually good practice to re-balance the tires when you rotate them. I've always done this and had no problems.

    Another thing to look at is perhaps your suspension bushings need replacing already.
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  10. 3rd September 2020, 09:58 PM #10
    esamari
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    Checked the panhard bracket bolts that attach to the chassis on the driver side today and seemed to need a bit tightening. Checked manual and tightened to 123 ft lb as per manual. Shimmy was reduced quite a bit. I think I'll do the panhard bushes next as they probably deteriorated a bit from the vibration. I am leaning towards genuine bushes but would poly pros be better?
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