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Thread: Noisy engine on startup - timing chains?

  1. #11
    Join Date
    Mar 2015
    Location
    NSW
    Posts
    113
    Users Country Flag

    Quote Originally Posted by 3C4M Guy View Post
    At some time around the middle or towards the end of the B6 run of 2005 - 2010, VW redesigned the timing chains and gave them a new part number. The engines with the revised chains are supposedly better. That also goes for other parts of the engine that are prone to failure such as the camshaft adjusters.
    I don't think the chain tensioners were revised during this period. I have an R36 (BWS engine) MY10 (late 09 build) that has the occasional dummy spit noise that won't go away until you drive it - even after a warm or hot restart. It may have occurred later than this.

    The BWS engine in my MY12 CC (late 11 build) is quiet and smooth so I'm hoping that this will last several years that I plan on keeping it.

  2. #12
    Join Date
    Dec 2015
    Location
    Warszawa Poland
    Posts
    6
    Users Country Flag
    The fact is that VW has improved chain slides and tensioners from 2008 models. Yes part numbers have been changed later on, in 2010 as far as I remember. My 3.2 has 140tkm on and sometimes is noisy for a few seconds after ignition. I'm going to replace it.

  3. #13
    Join Date
    Sep 2019
    Location
    canberra
    Posts
    53
    Users Country Flag
    This place is a waste of bloody time
    Last edited by meeso; 16-10-2019 at 08:25 AM.

  4. #14
    Join Date
    Jul 2020
    Location
    Jimboomba
    Posts
    1
    Hi, I know this is a very old post. This describes the noise in my 2010 CC almost exactly. You sound like you have experienced this issue so I was hoping to engage with the forum in my efforts to learn more.. cheers

  5. #15
    Join Date
    May 2020
    Location
    Hoppers Crossing, Victoria
    Posts
    22
    Users Country Flag
    Hello Kaine
    I just replaced my chains about 2 weeks ago.
    I also replaced the high pressure fuel pump (expensive). I would be happy to answer questions you might have assuming your is a BWS engine

  6. #16
    Join Date
    Mar 2015
    Location
    NSW
    Posts
    113
    Users Country Flag
    Quote Originally Posted by Sanity View Post
    Hello Kaine
    I just replaced my chains about 2 weeks ago.
    I also replaced the high pressure fuel pump (expensive). I would be happy to answer questions you might have assuming your is a BWS engine
    Hi. My CC BWS MY12 is at 130K kms without the noisey chain drama so I'm hoping it stays that way. But in case it does, what's it worth?

  7. #17
    Join Date
    May 2020
    Location
    Hoppers Crossing, Victoria
    Posts
    22
    Users Country Flag

    I got the chain kit for around $400 from Tooley imports. It came with chains guides and tensioners. I also got a rocker cover gasket from Imparts $85 I think then hire the timing plate for $58 One week rental.
    The rest was heaps of labour, mine is an all wheel drive and getting drive shaft bolts to pull the powertrain out was hectic.
    The whole job took 2 weeks but the actual work done to pull out powertrain and replace chains is probably 20hr (2.5) days. My car had a lot of issues including a smashed up radiator panel. I also did front suspension bushes.

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