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Thread: Strange sound Signum 2.0T

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    Regular Member PORKBALLS29's Avatar
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    Default Strange sound Signum 2.0T

    Hi All, Since the weather has been nicer I have been driving with the windows down a lot more recently and I have noticed a strange noise under acceleration. if i'm driving along say in third gear and the traffic slows so i'm doing just over 25mph and then I accelerate there is a stange vibration/ rumble and like a twittering sound then ounce the revs are up again it dissapears. Has any body came accross this before, It possibly sounds like a pulley noise? All help would be very much appreciated.

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    [Ex]Admin Duncan's Avatar
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    The vibration could be the tensioner and the twittering the alterantor pulley - both well documented common problems with the 2.0T, about the only common problem AFAIK! lol

    Does it do it under load at low revs? i.e. if you started to pull off from a roundabout that you'd slowed down for, but not stopped at, and you pulled off maybe in a gear higher than you could've/should've, do you get the vibration then?

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    Regular Member PORKBALLS29's Avatar
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    Yeah thats it exactly Duncan. I was thinking it would be something like that. Do you know if its an expensive fix? Can it cause any further damage while it is doing this? I suppose that it could also explain the ticking type noise from that side of the engine when cold?

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    [Ex]Admin Duncan's Avatar
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    It's the tensioner then, and maybe the alternator pulley as well, but the vibration is the tensioner. The parts aren't too expensive if it's just the tensioner. It's the alternator pulley that's the pricey one. There's a post of mine with the part numbers and prices in it somewhere if you have a search.

    It's unlikely to cause any damage. I think the worst that could happen is the belt slips off and you lose your power steering, air-con etc.

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    [Ex]Admin Duncan's Avatar
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    http://www.vectra-c.com/forum/showthread.php?t=74478

    That thread will help as it also links to my other posts in other threads.

    EDIT: Part numbers

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    Regular Member PORKBALLS29's Avatar
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    Thanks Duncan. Your a great man.

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