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Vibrations? :-( 35mph+

Discussion in 'A4/S4 forum(B5 Chassis)' started by Oranoco, Jun 20, 2013.

  1. Oranoco
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    Oranoco Well-Known Member

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    [Jun 20, 2013]
    Having a nightmare with a vibration that seems to be coming from the f/n/s it feels like a wheel out of balance that starts at about 35mph and just stays. It really feels like something is loose in the suspension or steering but I've been under the car a couple of times and can find no play in any of the ball joints (which are all at most 18mnths old). When going down a bumpy road I get hollow clonk sometimes that you feel through the column and it wanders quite baddly on the undulating road surface and the transition between being on load and off load. It seems to be a continual fight to keep it pointing where I want it. Alignment and balancing has been checked and double checked and I've even swapped wheels front to back to no effect.

    Wheel bearings from what I can gather are the originals as the service history up to when I got it on 78k mentions nothing of them and I haven't touched the fronts up until the 165k that's now on it. Is it possible these could be the problem?

    Any ideas before I drop it on a VAG specialist? Fearing this could see the car being broken up if it can't be resolved :-(
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  3. shariain
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    shariain Well-Known Member

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    [Jun 20, 2013]
    Try your inner cv joint.
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  4. NineNails
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    NineNails Proud sponsor of the snack food industry

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    [Jun 20, 2013]
    track rod end?
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  5. Bradderz_1988
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    Bradderz_1988 Dont replace it, Upgrade it !!

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    [Jun 20, 2013]
    The wandering is what i had replaced the tyres upfront and did the alignment and no more wandering, id go for the wheel bearing if you cant find any play/movement, whats the engine mounts like ??
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  6. Oranoco
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    Oranoco Well-Known Member

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    [Jun 21, 2013]
    Will get car in the air tomorrow and check inner joints.

    TRE's were swapped out with Lemforder S4 items about a year ago.

    Tyres are good and alignment has been checked and double checked. Also swapped wheels front to back and viration stays at the front.

    To add insult to injury the old girl did not want to start this morning. Fired up on the key and died straight away then struggled to refire. :-(
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  7. Furkz
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    Furkz Active Member

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    [Jun 21, 2013]
    while you are there check rims are not bent or cracked, also if you run split rims check their not loose... all in addition to the above
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  8. Bradderz_1988
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    Bradderz_1988 Dont replace it, Upgrade it !!

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    [Jun 21, 2013]
    Starting could be the immo kicking in mine did this when i first got the car never done it since !!
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  9. Oranoco
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    Oranoco Well-Known Member

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    [Jun 21, 2013]
    Checked for a flashing immo and all looked good. Just started it now and it died as soon as it fired but on second turn it fired and ran. Done a quick scan on my limited VCDS and the following codes appeared

    01367 - suspected central locking leak at pump
    01371 - No description shown
    01372 - No description shown
    01362 -

    Any ideas as being the unregistered version I can't see what they are
    #8

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