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knocking, now whining and power problems at 70 mph+

Discussion in 'A3/S3 Forum (8L Chassis)' started by Kathryn1809, Jul 28, 2010.

  1. Kathryn1809
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    Kathryn1809 New Member

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    [Jul 28, 2010]
    Bought a A3, 2001 1.9tdi a couple of months back. Slight knocking coming from the front right hand side. Yesterday I started to get a whining noise from the same area, this is continuing to happen but only after it's warmed up, suspect bearing has gone?? And would the knocking be the track rod end? With regards the power, when you get to 70-75mph there's a bit of a lull in power and you are getting no more. Power is also reduced until the engine is switched off and then back on again and it's then back to normal. Had the air flow metre changed but it's made no difference. Humph!! Anyone got any ideas?? Much appreciated.
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  3. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Jul 28, 2010]
    Sounds like its hitting limp mode if the powers coming back once the cars switched off, have you got vag com? The front knocking could be anything from top mounts to worn bushes im affraid.
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  4. Kathryn1809
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    Kathryn1809 New Member

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    [Jul 28, 2010]
    Sorry, what's a vag com ?
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  5. NHN
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    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    [Jul 28, 2010]
    Could very well be turbo causing the limp mode, not to frighten you, could be other things but age of car, sooty diesel & if its a vaned turbo, would stand to reason.
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  6. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Jul 28, 2010]
    It's software that used for fault code finding, loggin etc, it covers virtualy every function you can think of to do with vag cars, have a look in the section above for members with it and get someone to scan your car for fault codes, that'll help give an indication of whats wrong.
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  7. Kathryn1809
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    Kathryn1809 New Member

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    [Jul 28, 2010]
    There's one in Aberdeen but I don't want to hassle anyone, I'll stick it into the garage again. Last one couldn't find any fault hence the new airflow metre, I'll change garages me thinks! Thanks for your assistance.
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  8. finesse
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    finesse Active Member VCDS Map User

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    [Jul 28, 2010]
    Good luck, let us know.
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  9. Dani_B19
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    Dani_B19 Audi-sports own special child.

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    [Jul 28, 2010]
    Id ask someone off here first mate, they dont mind, they'll normaly do it for free or some beer tokens., they noramly know what their doing better than some garages do.
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  10. anilkumar
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    anilkumar Member

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    [Jul 30, 2010]
    this could be sticky turbo vanes there is a inotec Turbo Clean Set you can get to clean the turbo but i would get a scan done first
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  11. NHN
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    NHN Retrofitter - Audi - VW - Skoda - Seat Site Sponsor VCDS Map User

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    [Aug 1, 2010]
    Dont waste your money on that stuff, it isnt that successful & only prelongs the inevitable if you dont remove & clean them by hand anyway.
    #10

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