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Thread: Knock when taking up drive?

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    Default Knock when taking up drive?

    Hi All,

    Been searching the forum to no avail so i'm hoping someone might be able to point me in the right direction as to what the knock noise is on my 2002 2.2dti SRi

    When driving along if i back off the throttle and then accellerate again there is a knock noise when it takes up drive like an engine mount or something, someone said it might be the dual mass flywheel? dont think the engine moves so unlikely and engine mount, anyone got any ideas? cant feel anything through the pedals when it does it

    Thanks
    Andy

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    Regular Member AntSSSS's Avatar
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    Do you get a knock when you disengage the clutch fast too?

    Mine had the same and it was the Driveshafts.. Well - one of the two CV joints and I suspect the inner - but both were knackered so replaced it with a complete driveshaft complete with two new joints from ECP..

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    Quote Originally Posted by AntSSSS View Post
    Do you get a knock when you disengage the clutch fast too?

    Mine had the same and it was the Driveshafts.. Well - one of the two CV joints and I suspect the inner - but both were knackered so replaced it with a complete driveshaft complete with two new joints from ECP..

    Ah yeah, not thought about that, i once had a diesel focus that did that and it was the CV joint, will give them a check over, thanks!

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    Regular Member AntSSSS's Avatar
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    grab the driveshafts with the wheel off the ground and see ifyou have excess in and out movement - bet you do

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    Default

    you could leave the handbrake on and rock the engine with the clutch to see if it is engine mount. Also visually inspect the mount hasn't become loose (had this after my DMF was replaced, tightened bolts and clunk disappeared.)

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    Christ! i hope not going away for the week on saturday in it! was just going to drive it gentle till i got back but i think i need to check this out first...

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    Default

    This sounds like what happened to me. Went to 3 mechanics, was told rear engine mounting.. bull. Gear linkage gone and syncro mesh...

    Was the left hand inner cv joint for me. .

    tested it Putting the car in 2nd gear with handbrake off. then by pulling the car towards me until it engages and then push her back a bit. Its not a nice noise if i recall correctly.

    Hope you get it sorted quick enough though..

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    wishbone bush / drop link/ broken spring / strut top mount or lower ball joint ?
    just a few other things to tick off the list

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    i'v got the same problem knocks when i accelerate and when i let off the pedle, been tryin to find out where its coming from for months now, keeps us posted if you find out what it is, i'm goin to have another go at the weekend so i'll keep everyone updated.

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    gee thanks for that! lol

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