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Thread: Twitchy Rear End

  1. #1
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    Default Twitchy Rear End

    Hey,

    I've got a 2003 Vectra hatch, not had it long and have noticed its got a twitchy rear end - over bumps and uneven roads it feels very bouncy and light and just not planted on the road, and if it hits a grid or the camber is different on the back wheels it'll kick to the right.

    I've read through the forum and think the "rear upper arms" are on there way out

    I did the test by yanking on the top of the rear wheels and theres no crunching noise only the noise of me trying to move wheel.

    The rear tyres were shot so i've had new ones on the front and put the front with 80% on the bcak and this has helped but not stopped the problem.

    Am i right in thinking its the URA's or is it the shocks ??
    As when pulling off at low speed you can just about hear a slight noise but its not a knock

    Any help appreciated

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    Ex-Staff Full Member John LE's Avatar
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    Vehicle : Facelift Insignia/Corsa D

    Trim : LE/VXR

    Engine : 2.0 cdti/1.6 Turbo

    Year : 13/07

    Default

    The noise of pulling the top of the wheels will be a clunking noise, make sure the car is on the ground when you do this check.

    Failing that the chances are it is the shockers that are playing up as these are the two major weak points on the Vec-C's rear suspension (barring broken springs but the symptoms you mention kinda rule out broken springs)

  3. #3
    Regular Member Jezzy's Avatar
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    Probably is the upper control arms - mine passed the "grab the tyre and see if it moves" test, but I changed them anyway and found that the outer bush was like jelly.

  4. #4
    Regular Member paul wingnut's Avatar
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    Vehicle : vectra sri 150


    Engine : 1900 cdti 150

    Year : 2008

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    most likely to be rear shockers

  5. #5
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    had this on my dti changed shocks problem gone.
    tommy

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    Regular Member old cruiser's Avatar
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    I also had this on my old Omega, changed rear shocks for some KYB gas shocks and problem solved.
    Cheers Pete

  7. #7
    Moderator & Events Assistant paulhb's Avatar
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    Rear shocks mate my outer bushes seem soft but not an issue for the MOT and the new rear shocks sorted out the bouncing

  8. #8
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    Default

    Thanks for the replies guys

    Looks like i better get some new rear shock's, might change the upper suspension arms too as it's all apart and will be peace of mind they've being done - job doesn't look to bad to do, might give it try.

    Cheers everyone
    Lisa

  9. #9
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    I had a similar problem when driving in the highlands car felt dangerous changed the shocks, car sorted, rear end planted to the road, got caught speeding. ?????

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