2000 GLS Trans problem (4th gear shift problem)

Discussion in 'General Motoring' started by arbydog, Jan 14, 2007.

  1. arbydog

    arbydog Guest

    I have recently noticed that my sonata has a stumble in the shift to
    4th gear. If I accelerate slowly it isn’t that notceable. However,
    if I accelerate at a good clip that last shift (its in drive) has a
    hesitation (or stumbles as I feel it) and actually the rpms jump up
    for a second before it shifts. I checked the fluid level and its
    fine. I had the trans fluid changed <20k miles ago. I does have a
    brownish color which seem abnormal as I though all trans fluid was
    pink. It has 93k miles on it and the trans fluid have was changed at
    36k and 76k. Should I just change the fluid first before I take it in
    to the dealer or don’t bother as they may need to evaluate the
    condition of the trans fluid? I had the speed sensor changed at about
    50k becasue it was defective, didn’t know if that could be the problem
    arbydog, Jan 14, 2007
  2. arbydog

    hyundaitech Guest

    Most likely, it's an internal problem that'll require transmission

    Technical service bulletin 03-40-015 gives details on diagnosing a 2-3
    shift flare, but the things we're discussing here could cause this to
    occur on nearly any shift.

    The TSB indicates that the fluid temperature sensor should be checked and
    that the adaptive values should be relearned prior to condemning the
    transmission. You can see the TSB (and a host of other useful
    information) at www.hmaservice.com. You'll need to register for a free
    account, and the site requires Internet Explorer.
    hyundaitech, Jan 17, 2007
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