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Thread: knocking on start 2.dti

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    confused knocking on start 2.dti

    Hi
    I was trying to find answer for my problem but no result
    here is the situation
    1. Yesterday I had my DMF and CLUTCH been changed.
    2. I pick up my car when they were closing the garage so I couldn't resolve the issue.
    3. When I start and stop engine there is strong impact on chassis like engine want to jump out of the car. When is running is ok
    4. I suspect that they didnít tide the engine up properly to the mounts.
    I managed to ask them but they said that engine is sitting properly.
    5. Iím quite sure that there is smth loose because when Iím driving ďoff roadĒ there is strange knocking coming from the bottom
    Any suggestion please
    My main concern is if they could mess up smth with clutch and dmf fitting
    thank you
    Chris

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    Unhappy

    I was trying to find smth on forum no luck
    Please anyone
    Thank you
    Chris

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    Eek

    There is smth similar

    http://www.vectra-c.com/forum/showth...=engine+mounts

    but in my case
    first it wasn't like this before repair
    second is does exsessively

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    Could they have knocked your crank sensor? or not replaced it correctly? Does it do it when warm etc?

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    yes it does
    no metter cold or warm everytime the same

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    Unhappy

    Sorted
    there was a engine's mount
    no knocking anymore

    but

    I was a very happy man before I hit a motorway
    during acceleration I noticed strong vibration really noticeable from 80m/h at 100 i need to hold steering wheel with both hands
    when i press a clutch vibration getting weaker
    taking under consideration that Iíve just changed clutch and DMF I start blaming that one
    Iíll try balance wheels 2morrow
    if they ok is there anyone with suggestions
    thank you
    Chris

  7. #7
    Regular Member Keithy's Avatar
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    Quote Originally Posted by Krzysztof C. View Post
    Sorted
    there was a engine's mount
    no knocking anymore

    but

    I was a very happy man before I hit a motorway
    during acceleration I noticed strong vibration really noticeable from 80m/h at 100 i need to hold steering wheel with both hands
    when i press a clutch vibration getting weaker
    taking under consideration that Iíve just changed clutch and DMF I start blaming that one
    Iíll try balance wheels 2morrow
    if they ok is there anyone with suggestions
    thank you
    Chris
    That still sounds like an engine mount mate. I had the same problem with a vec b 2.5 v6. everything fine until about 60mph then it felt like inbalanced tyres but a lot worse. it turned out to be ther rear mount

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    Thank you
    but
    That what they checked 2day: all mounts
    They said that there was the top one playing
    So you think that even when I press clutch and vibration decrease it still maybe a mount not a clutch or DMF
    Sorry to be picky but you may save me some money on rebalancing
    Thank you
    Chris

  9. #9
    Regular Member Keithy's Avatar
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    From what i can rember the virbration decreased when the clutch was depressed but the v6 petrol engine is a lot different than the 2.2 dti. So i might be barking up the wrong tree

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    Default

    no worries I will call them and take a car back to garage
    my concern is if faulty clutch or DMF may cause this kind of vibration?
    Thank you
    Chris

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