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Thread: Vibration after 70mph

  
  1. #1
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    PiNiOn's Avatar
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    Vibration after 70mph

    Well, this has been discussed before, but nobody ever got an answer, so just thought I should start a new topic in case somebody can help with an issue I am dealing with:

    I m getting a steering wheel vibration after 70mph, which is not always noticeable. What could cause this?

    Before answering, please bare in mind some points:

    1) My tires are brand new (Continental PremiumContact2), and the vibration was the same before and after changing them, so this shouldn't have to do with the tires.

    2) The wheels have been balanced twice, and all of them are OK, just as supposed to (also had a wheel alignment when the tires were fitted).

    3) Wheels are standard 15" alloy wheels (sport version).

    4) The vibration is not always there (even over 70mph), but most of the times it is noticeable.

    5) There is no play or noise in the front wheel bearings. A faulty one should at least make a noise and there isn't any.

    6) The tie rods seem to be fine (no splits or anything).

    7) The car has never suffered any crashes or anything, just conventional driving.

    8 )Car type info: 1.4 engine, 3 door "Sport" version, 00', 1 owner (me), factory 4-stud with abs, factory 15" alloy wheels, about 67.000miles on the clock.

    My question is what could cause vibration?

    -A faulty steering rack joint?
    -A faulty tie rod?
    -Bad wheel alignment?
    Astra Mk4 3d X14XE / Midnight Black Z298

  2. #2
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    Nobody?
    Astra Mk4 3d X14XE / Midnight Black Z298

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    It could still be faulty balancing or a slight buckle/warp in a wheel...

    If you swap front wheels to the back does it still happen?

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    Quote Originally Posted by nry View Post
    It could still be faulty balancing or a slight buckle/warp in a wheel...
    What he said, go and get your wheel balanced and if it still doesnt get rid of it try and Lend a set of wheels off a mate that you know are fine and try them if all is fine it your wheels that are ****ed

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    Play in wishbone bush. Perfect excuse for replacing them all with Polyurethane ones.

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    have you tryed swapping the front wheels for the back i had the same problem and this fixed it.

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    Haven't tried that but I had them balanced twice, which is quite convincing that they are all ok.

    I will have the front checked this Tuesday, for any plays or anything. Bushes/controls arms, tie rods, anything that could cause vibration.

    If nothing comes up, I will try a pair of wheels or I ll just swap the front with the rear ones to see what happens.

    Wish me luck because this is becoming very annoying when driving in highways.
    Astra Mk4 3d X14XE / Midnight Black Z298

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    vauxchump's Avatar
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    I had same with my vectra, turned out to be tiny buckle you couldnt even see in one of the front wheels, the front wheels are now on the back and problem solved (Well,...moved)

  9. #9
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    I've had wheels balanced 3 times on occasion before the garage gets them 'right'.

  10. #10
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    have you lowered it??
    G t c

    soon!

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