Vibration under heavy acceleration above 60km/hr (206 GTi)
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Thread: Vibration under heavy acceleration above 60km/hr (206 GTi)

  1. #1
    UNM
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    Default Vibration under heavy acceleration above 60km/hr (206 GTi)

    The Peugeot 206 GTi I sold to a friend has always had a problem with noticeable vibration under heavy acceleration at speed (starts around 60km/hr).

    I blamed the lower engine mount, which had a tear in it and replaced this as part of the deal when I sold it to him.

    He is now complaining it still does the same thing. I was pretty sure it was a lot better after changing the mount and the gear stick no longer moves noticeably when going from acceleration to braking.


    Anyway, what else to check? I discounted wheel balance earlier due to it only being under acceleration.

    Another possibility I guess is the exhaust touching part of the car body and transmitting vibrations. I am pretty sure it has been replaced in the past and is not aligned as centrally as it should be in the various places alloted to it.

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    Top engine mounts? The gearbox side seemed OK when I changed the clutch, certainly not torn or anything.

    What else to check?

    Edit: None of this is helped by the fact my friend seems to wear lead shoes, whereas I tread extremely lightly.
    Last edited by UNM; 22nd February 2016 at 07:27 PM.

  2. #2
    Contented Peugeot Driver addo's Avatar
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    This fellow is going to wear you down. Can you not buy the car back and sell it "as is, where is" to someone else?
    lozenge and Roland like this.

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    the famous 18E pug206gti's Avatar
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    G'day,
    might be a good idea. He might just keep on coming back with more [imaginary] problems.

    None of this is helped by the fact my friend seems to wear lead shoes, whereas I tread extremely lightly.
    This could be the answer.
    I have always thought of the gti & 18E as rather soft or tender. However, if they are treated with respect, they will blow most Jappas into the weeds.
    UNM likes this.
    regards,
    Les W.


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    1000+ Posts BIGRR's Avatar
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    Sounds like inner drive shaft joints (cases) may be shot (worn). Daughter's 2000 16v 306 did this at about 120,000km.

    See what others think.
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    Contented Peugeot Driver addo's Avatar
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    That was my thinking too, but when you have someone whiteanting their own happiness at the expense of your sanity, time and wallet, there needs to be a practical limit to it.

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    the famous 18E pug206gti's Avatar
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    Quote Originally Posted by BIGRR View Post
    Sounds like inner drive shaft joints (cases) may be shot (worn). Daughter's 2000 16v 306 did this at about 120,000km.

    See what others think.
    G'day Robert,
    are you watching the quality of my posts deteriorate ?
    regards,
    Les W.


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  7. #7
    sans witticism SLC206's Avatar
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    Quote Originally Posted by addo View Post
    That was my thinking too, but when you have someone whiteanting their own happiness at the expense of your sanity, time and wallet, there needs to be a practical limit to it.
    Absolutely.

    Cut and run, I say, or point them to a mechanic.
    Regards,

    Simon

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    1000+ Posts BIGRR's Avatar
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    Quote Originally Posted by pug206gti View Post
    G'day Robert,
    are you watching the quality of my posts deteriorate ?
    I had actually! (Very early in the evening too).
    pug206gti likes this.
    Present fleet:-
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    Peugeot 73' 504 Ti from new
    Peugeot 08' 407 Hdi Coupe from new

    Previous fleet:-
    Peugeot 95' 605 Sv
    Peugeot 92' 205 Gti
    Renault 72' 16TS from new
    Renault 69' 10
    Renault 71' 10s
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    "Be reasonable do it my way!"


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    My 205, with new lower engine mount, has a similar thing going on, not so much in a straight line but accelerating through left handers.
    Gets a weird oscillation that feels all the world like a busted lower engine mount...

  10. #10
    1000+ Posts Peter Chisholm's Avatar
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    Quote Originally Posted by EvilElmo View Post
    My 205, with new lower engine mount, has a similar thing going on, not so much in a straight line but accelerating through left handers.
    Gets a weird oscillation that feels all the world like a busted lower engine mount...
    Could be a drive shaft.

  11. #11
    UNM
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    addo, you are quite probably right.

    For now, I will do my best, but there will possibly come a time I reconsider my options.


    I shall consider suggesting new drive shafts - not at my cost.
    Last edited by UNM; 22nd February 2016 at 08:59 PM.

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    the famous 18E pug206gti's Avatar
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    Quote Originally Posted by BIGRR View Post
    I had actually! (Very early in the evening too).
    G'day,
    grandson nr. 7 has arrived, at 14. 51 .
    BIGRR and SLC206 like this.
    regards,
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  13. #13
    1000+ Posts Peter Chisholm's Avatar
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    If you buy a second hand car privately, surely the buyer is aware that they take their chances.
    lion5 likes this.

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    Quote Originally Posted by Peter Chisholm View Post
    Could be a drive shaft.
    So would vibration only when turning left indicate wear on one specific side?

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    1000+ Posts lion5's Avatar
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    i'd definitely point to the driveshafts as others have mentioned. Does it persist only beyond a certain rev/range?.

    Had the exact same problem on a ford focus, I had the alignment and balancing checked, nothing wrong there, drove perfectly fine under 80km/h, it's barely noticeable under 2500revs, but as soon as you kick it up from 2-4 at those speeds, it rumbles. Then had the driveshafts checked, turns out it was the outers. Keeping in mind i checked for obvious worn bearings + default CV shaft checks which made me initially rule them out.


    incidentally I sold that focus to a friend who got away with a lucky cheap fix, (lucky it wasn't the trans). Though he didn't bug me....
    Pour le peuple colonisé, la valeur la plus essentielle, parce que la plus concrète, c'est d'abord la terre: la terre qui doit assurer le pain et, bien sûr, la dignité.

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    UNM
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    Thanks lion5
    My experience, owning the car for a year was that it would only start at around 65km/hr. Continues at higher speeds, not been above 100km/hr (+/- 10% margin of error)
    Was NOT dependent on engine revs, based on road speed.
    Only happened under heavy acceleration, not deceleration or steady speed. Not noticed as being worse on curves, but I rarely accelerated at hard at those speeds round corners - it was mainly used around town and only drove at speed on freeway, where acceleration was moderate.


    Edit: I remain convinced that the new engine mount HAS improved things. New owner had not driven the car for long, then took a 2 week break and came back to drive it with the new engine mount expecting that would have resolved the issue.

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    Contented Peugeot Driver addo's Avatar
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    I admit to a devious bodge once, modifying the spider so the "resting" position of the inner CV was changed about 3mm outwards from where it had spent the first 160 000km. It made a difference.
    BIGRR likes this.

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    As keith mcelroy discovered - always exclude loose wheel nuts before looking for expensive solutions! (Actually I've been caught by that one too, but I don't boast about it )

    Cheers

    Alec
    okalford and EvilElmo like this.

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    1000+ Posts okalford's Avatar
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    Quote Originally Posted by Armidillo View Post
    As keith mcelroy discovered - always exclude loose wheel nuts before looking for expensive solutions! (Actually I've been caught by that one too, but I don't boast about it )

    Cheers

    Alec
    Same here Alec, I remember posting about the knock in my front end on the 505 and Graham Wallis suggested i checked the wheel nuts. Some threads were welcomely lost in the af forum crash...

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    1000+ Posts Peter Chisholm's Avatar
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    Quote Originally Posted by EvilElmo View Post
    So would vibration only when turning left indicate wear on one specific side?
    From my limited knowledge, yes.

  21. #21
    UNM
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    Quote Originally Posted by addo View Post
    I admit to a devious bodge once, modifying the spider so the "resting" position of the inner CV was changed about 3mm outwards from where it had spent the first 160 000km. It made a difference.
    How did you do this? Add a washer to the end or something?

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    Quote Originally Posted by UNM View Post
    How did you do this? Add a washer to the end or something?
    I'm also waiting for an explanation. Devious bodges are my favorite kind...

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    Contented Peugeot Driver addo's Avatar
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    Grinder on the outboard edge of the spider, then staking the splines so it couldn't slide back. I said bodge, not elegant and creative.

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    1000+ Posts Peter Chisholm's Avatar
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    It sounds as though he was aware of the vibration issue when he bought the car. As you've pointed out, part of the deal was that you replace an engine mount which you have done. Unless you gave a guarantee that the engine mount would definately solve the problem once and for all, I don't see how you can be expected to do, or pay, for further work. I'm guessing you are not a qualified mechanic and, like most of us, would've given it your best shot but the problem, although improved, is still there.

    Selling cars to friends is fraught with peril particularly if you (the seller) is into cars. The buyer friend may well think that because of the friendship and interest in cars they are buying a sorted out, perfect car. You also don't say what year the car is. If it's getting on in years wear should not be a surprise.

    The buyers expectations seem unreasonable and I therefore don't reckon you should do any further work on the car. This may cause a rift in the friendship but if you set a precedent, what happens a bit down the track when something else goes wrong?

  25. #25
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    Car is a 2003 with 140,000km, so pretty new. Or pretty old to some people, it's all relative.


    I shall discuss further with the current owner. If it causes issues, so be it - I did actually try to back away from the sale when he wanted me to sort out the roadworthy. I was initially selling the car on the open market as is, where is.


    If the drive shafts are changed, there is no guarantee it will fix the problem, could still be an engine mount, or something suspension related, or...

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