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  1. #1
    Active Member One Ring
    Join Date
    Dec 24 2012
    AZ Member #
    106329
    Location
    Maine

    Recognizing Timing Chain Tensioner Failure

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    My 2003 Allroad has 128K miles and I am hearing a intermittent dry bearing sound at idle. I replaced the water pump and timing belt at 93K miles. No rattling or bearing noise at startup. Sometimes when the engine is warm the noise goes away at idle or can be heard only when the engine is accelerated to 15-1800 RPM. Noise seems to come from front of engine. Any thoughts? Trying to determine what the problem is before replacing parts. No CEL.

  2. #2
    Senior Member Two Rings mr_dave's Avatar
    Join Date
    Apr 20 2013
    AZ Member #
    113718
    My Garage
    C5 RS6
    Location
    MN

    2.7T or 4.2L?

  3. #3
    Active Member One Ring
    Join Date
    Dec 24 2012
    AZ Member #
    106329
    Location
    Maine

    Quote Originally Posted by mr_dave View Post
    2.7T or 4.2L?
    2.7T
    David

    2003 Allroad 2.7T
    2015 Allroad 2.0 TFSI
    2001 Porsche Boxster S
    1970 Porsche 911E
    1979 BMW 320i

  4. #4
    Senior Member Two Rings mr_dave's Avatar
    Join Date
    Apr 20 2013
    AZ Member #
    113718
    My Garage
    C5 RS6
    Location
    MN


  5. #5
    Active Member One Ring
    Join Date
    Dec 24 2012
    AZ Member #
    106329
    Location
    Maine

    Quote Originally Posted by mr_dave View Post
    Thanks for the link. I am hearing an intermittent click at idle. Certainly sounds like the guides are wearing out. I will try and use VCDS to determine cam variation, I don't know if VCDS can provide this information.
    David

    2003 Allroad 2.7T
    2015 Allroad 2.0 TFSI
    2001 Porsche Boxster S
    1970 Porsche 911E
    1979 BMW 320i

  6. #6
    Senior Member Two Rings mr_dave's Avatar
    Join Date
    Apr 20 2013
    AZ Member #
    113718
    My Garage
    C5 RS6
    Location
    MN


  7. #7
    Active Member One Ring
    Join Date
    Dec 24 2012
    AZ Member #
    106329
    Location
    Maine

    Quote Originally Posted by mr_dave View Post
    Thanks for steering me in the right direction. I'll try to hook up the VCDS tomorrow.
    David

    2003 Allroad 2.7T
    2015 Allroad 2.0 TFSI
    2001 Porsche Boxster S
    1970 Porsche 911E
    1979 BMW 320i



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