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Thread: 1.9CDTI 120 - Rattle on idle (NOT a DMF problem!)

  1. #1
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    Default 1.9CDTI 120 - Rattle on idle (NOT a DMF problem!)

    All,

    I have a slight rattle coming from the engine bay on idle anyone ever had this? Symptoms are..

    • Only appears when warm
    • Pressing/releasing clutch makes no difference
    • Slightest blip of the throttle and it goes away

    It sounds like something is loose, but everything seems sound enough. Its very frustrating as the noise is much less noticeable under the bonnet! FWIW, been like this at least since xmas..

    Any takers?

  2. #2
    Regular Member Chunklamb's Avatar
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    Vehicle : 330D (13) Tourer 258 Auto & Signum 1.9 CDTI (07) 150 Auto

    Trim : M Sport and Design

    Engine : Z19DTH

    Year : 2007

    Mileage : 38100

    Default

    Valve tappets or lifters? But I think you'd hear that from the engine bay.

    Whats the mileage?

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    Quote Originally Posted by Chunklamb View Post
    Valve tappets or lifters? But I think you'd hear that from the engine bay.

    Whats the mileage?
    I did the valve clearances approx 18 months ago. So I doubt if its that, but worth a check especially seeing as it only happens when warm (N.B the 120 does not have hydralic lifters, unlike the 150)

    Sounds distincly like a noise coming form outside the engine, not inside it, if you know what I mean.

    50k miles on the clock.

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    Regular Member danny567890's Avatar
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    Vehicle : vectra c

    Trim : sri

    Engine : z19dt

    Year : 2006

    Mileage : 115k

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    Sorry to lift an old thread but mine does this too. Had the cambelt, tensioner and water pump done last year. Had the aux belt, alternator and pulley replaced last week and she's still making a rattle on idle. Like you if I touch the throttle she goes quiet. So I'm thinking crank pulley. Did you manage to get yours fixed or can anybody else she'd any light on this? The sound does sound like it's an external noise too not a tappety noise more of a knock

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    turned out to be the flexi-pipe in the end. Noticed it was blowing very slightly, replaced it an cured the rattle at the same time!

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    Regular Member ghostrider's Avatar
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    Vehicle : 2.0l CDTi Bi-Turbo Insginia Sports Tourer

    Trim : Vx Line Nav Sri

    Engine : 2.0

    Year : 2014

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    I had similar noises a while back:

    http://www.vectra-c.com/forum/showth...around-2500rpm

    This may help.

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