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Thread: 2.2dti knocking when foot off throttle

  1. #1
    Regular Member krazylegz's Avatar
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    Default 2.2dti knocking when foot off throttle

    Anyone know what would cause my 2.2dti to make a knock sound when I I accelerate then lift my foot off a bit, it's not a constant knock just once each time I do it.

    Is there any mountains that are prone to going in these that could cause this?

    Thanks

  2. #2
    Regular Member Ben50n's Avatar
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    Engine mounts could be soft or sheared?

    Get a hold of the engine and rock it backwards and forwards and listen for knocks.

    Exhaust catching? Have you had a nw exhaust fitted badly?

  3. #3
    Regular Member krazylegz's Avatar
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    Well I haven't touched the exhaust as not long had the car but it does sound like it has a slight blow so will get under to check it....... Cheers mate

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    Regular Member nutron's Avatar
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    Vehicle : Vauxhall

    Trim : very

    Engine : Z19DTH

    Year : Nosey

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    The DMF might be weakening, the clutch might be on its way out, the wheel bolts might be lose... How long is a piece of string (assuming it to be nylon, 2.5mm thick and cut with a knife).

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    Vehicle : Vectra

    Trim : Design

    Engine : 1.9CDTi

    Year : 2005

    Mileage : Lots

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    Quote Originally Posted by nutron View Post
    The DMF might be weakening, the clutch might be on its way out, the wheel bolts might be lose... How long is a piece of string (assuming it to be nylon, 2.5mm thick and cut with a knife).


    But seriously.

    Could be anything, mine did this and never got any worse. I just ignored it to be honest. Possibly a worn engine mount - was on 200,000 miles but I never managed to pin it down.

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