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Thread: Exhaust Rattle ???

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    Regular Member Exclusive BV's Avatar
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    Default Exhaust Rattle ???

    When changing into second at low levs and giving some gas there is a low rattle from the front of the car. This quickly goes away as the revs rise.

    It seems to be getting slowly worse.

    I think it could be the exhaust but i have not had a chance to check

    Is there anything else it could be???

    1.8 VVTi

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    Sounds like your flexi pipe to me. If it is dont pay for a new exhaust section get the flexi cut out and replaced for between 50 and 80 quid.

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    Where is this flexi pipe?

    I am guesssing between the manifold and cat

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    stick your head under the car - could also be the outer skin on the rear box degrading - or even a underbody heatshield coming away

    0-Large smile ......every time it's driven

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    cheers for the ideas, I'll be checking all these tonight when I get in.

    i'm Pretty sure it's coming front the front but you never know

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    Crespo, based on your recommendation I just found this thread.

    http://www.vectra-c.com/forum/showthread.php?t=53152

    What do you reckon?

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    Regular Member rushy's Avatar
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    The flexi should last for ages. What likely to go first is the wire mesh that covers the flexi. Mine rusted through at both ends and would move up and down the pipe while driving. All you have to do is cut it off, its only there as a garnish.

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    Had a similar problem with my car.It used to vibrate/rattle as I pulled away then dissapear.
    Took it into NTS and they found it was a metal securing bracket on the down pipe section that had broken.They welded it up,now,no problems.

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    Quote Originally Posted by felixx View Post
    Had a similar problem with my car.It used to vibrate/rattle as I pulled away then dissapear.
    Took it into NTS and they found it was a metal securing bracket on the down pipe section that had broken.They welded it up,now,no problems.

    Cheers for the info, i'll check that too

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    Ok, I was under the car for a good 20 mins poking around. The flexi pipe was not really that noisy when i shook and poked it so i dont know whether to put a jubilee clip on or not.

    I rattled and shook everything I could see including the heat shields and there were no obvious signs of exhaust deterioration anywhere, the whole system including the back box seems to be in pretty good nick.

    As I cannot yet find what is making the noise, i will monitor it for the time being but if it gets much worse, i will take it into get looked at.

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