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Rumble when letting off accelerator but suddenly goes???

Discussion in 'A3/S3 Forum (8L Chassis)' started by darren t, Nov 21, 2012.

  1. darren t
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    darren t Member

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    [Nov 21, 2012]
    Hi and anyone who has exsperienced this problem could help me I have an Audi s3 8l which is making a funny noise now and again it is rummbling /droning when letting off accelerator for 5 mins and suddenly stops stero vibrates whole car exshaust note changes!!! Only when letting of ie rolling too a stop its not the exshaust as I had this rattle and uprated dog bone sorted this! There is no fault codes on vcds! And has gone away very noticeable noise happens randomly and goes within 5 mins!cam chain tensioner is my thoughts as it rattles on startup after being parked until revved but obviously it feels diffrent when drivin as can hear rattle as I have 3 inch down pipe??
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  3. dre_S3
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    dre_S3 Member

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    [Nov 21, 2012]
    Could be your heat shield if you have a 3" DP I had to mod my one to fit with out a rattle
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  4. darren t
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    darren t Member

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    [Nov 21, 2012]
    Definatly not an exshaust rattle I know that sound as I had it sounds like I'm running on 3 cylinders a sticking throttle body or sticking valve solo mood staying on for vvt/not cuming on?
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  5. darren t
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    darren t Member

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    [Nov 21, 2012]
    Happened only 3 times in 2 weeks??getting more and more frequent
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