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Audi: a4 2002 cvt - low idle vibes

  1. #1
    snoopy
    Guest

    a4 2002 cvt - low idle vibes

    Hi,

    I just recently acquired a used cvt, low mileage and all...

    I've noticed a vibration problem when the car comes to a full stop. The
    RPMS tend to drop pretty quicky between 1100 to 800 rpm (when deaccelerating
    down to a complete stop) and there is a noticeable vibration kicking in. On
    acceleration and at cruising speeds the vibes are no where to be felt and is
    smoother than slicing butter.

    I did bring the car for a check and they claimed that it had something to do
    with the air throttle body which was dirty and prevented the valve from
    moving freely. They cleaned that up, and it seem to provide relief for a
    short distance of driving, but is clearly back as a problem.

    Is this normal ? If it isn't, any ideas of what the problem could be ?

    fyi: the ignition coils were replaced supposedly sometime in 2003.

    TIA



  2. #2
    daytripper
    Guest

    Re: a4 2002 cvt - low idle vibes

    On Sun, 25 Jan 2004 23:36:48 -0500, "snoopy" <com> wrote:
     

    Audi USA apparently has an extended warranty program for the throttle bodies
    on most B5 model A4s. I don't know if this is only for North America. If your
    car isn't under an extended factory warranty, start working over the shop
    manager to go look for a TSB on the throttle body problem...

    /daytripper
    '00 s4 6spd

  3. #3
    Pete
    Guest

    Re: a4 2002 cvt - low idle vibes


    "daytripper" <com> wrote in message 
    bodies 

    I think this warranty extension (7yrs/70K miles) was for MAF, unless
    there's another one for throttle body that I'm not aware of. And yes,
    it's only for north american models, AFAIK.

    Cheers,

    Pete



  4. #4
    snoogans27
    Guest

    Re: a4 2002 cvt - low idle vibes


    "daytripper" <com> wrote in message
    news:com... 
    deaccelerating 
    On 
    is 
    do 
    working 

    Wouldn't a 2002 be a B6? Did they ever offer B5's with the CVT?




  5. #5
    daytripper
    Guest

    Re: a4 2002 cvt - low idle vibes

    On Mon, 26 Jan 2004 10:12:18 +0100, "Pete" <com> wrote:
     

    You're right - I just checked the snail-mailed notice and it was indeed for
    the MAF.

    (Which - given how fragile MAFs tend to be is probably a "more likely to pay
    off special warranty"!)

    /daytripper
    '00 s4 6spd, no MAF or TB bugs yet ;-)

  6. #6
    daytripper
    Guest

    Re: a4 2002 cvt - low idle vibes

    On Mon, 26 Jan 2004 15:08:13 GMT, "snoogans27" <com>
    wrote:
     

    You may well be right - I don't presume to be aware of all the various flavors
    of model years found on different continents, 'cuz every time I do someone
    says "Oh, we got that the year earlier in Australia" or some such ;-)

    Otherwise, it was for the MAF not TB, but otoh, is it possible they use the
    same MAF part number on any models of the B6 vintage?

    /daytripper
    '00 s4 6spd

  7. #7
    snoopy
    Guest

    Re: a4 2002 cvt - low idle vibes

    Thanks for all your feedback. I'll try to lean on them to have that part
    replaced and hopefully resolve the vibes problem. It seems though that there
    is a back log of people on the waiting list to get their audi's serviced,
    somewhere in the order of at least 2-3 weeks lead time just to get in, does
    make you wonder though.

    Thanks again

    "daytripper" <com> wrote in message
    news:com... 
    wrote: 
    The 
    in. 
    and 
    to 
    from 

    problem... 
    flavors 
    the 




 

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