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Thread: random cold knock/tick sound when cold - 1.9 cdti

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    Default random cold knock/tick sound when cold - 1.9 cdti

    my vec c makes a random weird knock/tick sound when it's cold (its not regular like maybe every second or 2 seconds its a knock/tick sound) i can hear it clearly if i put my head next to the engine and i know it's coming from there as I can put my hand on the engine and feel the vibration being transferred.

    only happens on a cold engine, when i rev it up to 1000 and hold it there it goes away, only happens on idle

    possibly faulty injector?? i dont think its the small end bearing

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    Cam follower ?

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    don't think so otherwise it would be constant,

    also it almost feels like the engine shudders slightly when it ticks (like incomplete combustion)

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    Mine started doing the same since it has got a lot colder this week. The whole engine is shaking quite a bit and there is quite a loud rattle. It all disappears when revs are increased to about 1000. I initially thought it was the flywheel on its way out, but once it's warmed up a little bit, all is fine. I would be pretty annoyed if its the

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    Regular Member Sebastian's Avatar
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    Vehicle : Vectra Estate

    Trim : Elite

    Engine : 1.9 DTH

    Year : 2008

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    Does that when idling does it ? If it does that's ur DMF telling u is on its way out :/

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