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  1. #1
    Veteran Member Four Rings revolution337's Avatar
    Join Date
    Apr 03 2009
    AZ Member #
    40692
    My Garage
    4.2 A4, mk4 jetta
    Location
    Pennsylvania

    Cam chain tensioner broken

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    During my process of tensioning the cam chain tensioner in order to replace the gasket underneath, one of the two locating tabs busted off the cam chain tensioner! It really surprised me, because the chain tensioner wasn't even fully de-tensioned when it happen *sigh*

    Anyway, although I already know the most likely answer to this question (replace it!), I was still hoping to get opinions on running it as is. The other tab still keeps it aligned well enough, and with spring/oil pressure, it might be ok? Or just tell me to stop being so cheap and buy a new one. Oh, and its an AEB, not that it really matters lol.



    Life is too short to drive ugly cars.

  2. #2
    Senior Member Four Rings rockbeau25's Avatar
    Join Date
    Dec 06 2014
    AZ Member #
    300735
    Location
    .

    Mine did the same thing and itís been fine for like 10k.

  3. #3
    Established Member Two Rings
    Join Date
    Jun 08 2017
    AZ Member #
    400768
    Location
    london

    Well itís there for a reason. If youíre planning on keeping the car long term itís probably worth investing in a new tensioner. They arenít crazy expensive. Would you regret it when youíre waiting on the roadside with a broken car in the middle of nowhere? If itís just a car and when it stops youíll get another then leave it as it is and make sure youíve got breakdown cover. If the tensioner fails then the engine stops and will need new valves etc. Not a roadside repair!


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  4. #4
    Established Member Two Rings
    Join Date
    Mar 15 2018
    AZ Member #
    415568
    Location
    Romania

    ouch, for my safety I would get one, but I understand if your money is strict right now , you could probably try it on your own safety. Also did you clean your chain etc, with a rag that leaves that lint behind - I dont think thats a good idea :P

  5. #5
    Veteran Member Four Rings revolution337's Avatar
    Join Date
    Apr 03 2009
    AZ Member #
    40692
    My Garage
    4.2 A4, mk4 jetta
    Location
    Pennsylvania

    Quote Originally Posted by rockbeau25 View Post
    Mine did the same thing and itís been fine for like 10k.
    Good to know. I've decided to just bite the bullet and buy a new one. Thanks for the input though

    Quote Originally Posted by Blazius View Post
    ouch, for my safety I would get one, but I understand if your money is strict right now , you could probably try it on your own safety. Also did you clean your chain etc, with a rag that leaves that lint behind - I dont think thats a good idea :P
    Yeah there is still a lot of cleaning left to do on the engine
    Life is too short to drive ugly cars.

  6. #6
    Established Member Two Rings
    Join Date
    Jun 08 2017
    AZ Member #
    400768
    Location
    london

    Quote Originally Posted by revolution337 View Post
    Good to know. I've decided to just bite the bullet and buy a new one. Thanks for the input though



    Yeah there is still a lot of cleaning left to do on the engine
    The right decision I think.


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