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Thread: Replacing Discovery 5 suspension bushes

  1. #1
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    Replacing Discovery 5 suspension bushes

    Wondering if anyone has had to replace suspension bushes on their D5 yet and if they went for OEM rubber or PU bushes and had any opinion on the matter? Also indication of cost to fit?
    Also, 5 years seems a pretty short time for bushes to last! Would expect wear from maybe 7+ years.

    Haven't priced OEM bushes yet, but have found PU ones online: Discovery 5 L462 Polyurethane Suspension Bushes & Components - Polybush

    Bought my 2017 Disco 5 second hand from main dealer about 5 months ago, always felt slightly rough from 85kph+ but not enough to be concerned.
    Tried a wheel balance and alignment 2 weeks ago, didn't work - still pulls left slightly and vibrates at higher speed. Took it to Pedder's for a look yesterday they found both front lower control arm bushes (1DU) (LR Part#: LR078476/78477) are worn & allowing too much movement - wheel alignment pointless if the bushes think it's optional!

    20220825_090604.mp4
    20220825_090727.jpg 20220825_090632.jpg

    ____
    2017 L462 Discovery 5 td6 HSE

  2. #2
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    To get that wonderful ride, something has to pay the price. In modern Landrovers it is the suspension bushes. Think of them as sacrificial items. They are reasonably inexpensive and quite straightforward to replace. Expect to do the front every 60k to 100k kms and the rears probably about double that depending on whether you tow a lot. Personally, I'd always go original, but that's just me.
    2013 D4 expedition equipped
    1966 Army workshop trailer
    (previously SII 2.25 swb, SIII 2.25 swb & lwb, P38 Vogue, 1993 LSE 3.9V8 then HS2.8)

  3. #3
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    That video! Personally I would go straight to PU.
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

  4. #4
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    You won’t have to search to far on here to find out Genuine bushes seem to work the best on modern LR’s.
    Paul

    D2,D2,D2a,D4,'09 Defender 110(sons), all moved on.

    '56 S1,been in the family since...'56
    Comes out of hibernation every few months for a run

  5. #5
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    Don't go poly stick to rubber.
    MY08 TDV6 SE D3- permagrin ooh yeah
    2004 Jayco Freedom tin tent
    1998 Triumph Daytona T595
    1974 VW Kombi bus
    1958 Holden FC special sedan

  6. #6
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    Quote Originally Posted by loanrangie View Post
    Don't go poly stick to rubber.
    Why would you? Poly can be as sloppy as rubber if thats what people want, but it is so much more durable and long lived.

    Is it due to bonded crushtubes and shells?
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

  7. #7
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    Quote Originally Posted by Slunnie View Post
    Why would you? Poly can be as sloppy as rubber if thats what people want, but it is so much more durable and long lived.

    Is it due to bonded crushtubes and shells?
    In a D1 or D2 i would say yes but not any of the IFS/IRS landy's, much more movement required in the arms.
    MY08 TDV6 SE D3- permagrin ooh yeah
    2004 Jayco Freedom tin tent
    1998 Triumph Daytona T595
    1974 VW Kombi bus
    1958 Holden FC special sedan

  8. #8
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    Quote Originally Posted by Slunnie View Post
    That video! Personally I would go straight to PU.
    You never use PU in D3 onwards. It cause significant increases in NVH, places stresses on the arm mounts and has already resulted in several failures.

    Hydro bushes have huge amounts of flex, and unless leaking are functional.

  9. #9
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    Quote Originally Posted by Tombie View Post
    You never use PU in D3 onwards. It cause significant increases in NVH, places stresses on the arm mounts and has already resulted in several failures.

    Hydro bushes have huge amounts of flex, and unless leaking are functional.
    Are they fluid filled?

    Boom, theres the tech on it!
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

  10. #10
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    Quote Originally Posted by Slunnie View Post
    Are they fluid filled?

    Boom, theres the tech on it!
    Why yes they are…. Replacing Discovery 5 suspension bushes

    Watch a standard lower arm flex and there is torsional loading. Fitting a less compliant bush places stress in the arm and there has now been multiple failures of this component at the bush, in all cases they had aftermarket bushes (usually PU)

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