slip and slide

Discussion in 'GM Powertrain' started by cuk240, Feb 14, 2009.

  1. cuk240

    cuk240 New Member

    93 gmc sub 1500 4x4 . trans slipping on hills in overdrive selector position. and sometimes bangs into lower gear after stop. any ideas on this.
  2. tbplus10

    tbplus10 Epic Member Staff Member 5+ Years 5000 Posts Platinum Contributor

    How many miles?
    Sounds like age is catching up to it, you could probably try a fluid and filter change maybe an additive but I suspect the problem is worn internals that need replacement and not a band aid.
  3. PontiAddict

    PontiAddict Rockstar

    Hah, sounds like my transmission. :grrrrrr:

    How many miles? Condition of fluid? Last filter/fluid change?
  4. ct9a

    ct9a Epic Member 5+ Years 1000 Posts

    I agree with Tim. Sounds like the bands are slipping. Changing the filter and fluid may help out a little and only for a short time, but I think you're going to need to replace/rebuild soon.
  5. cuk240

    cuk240 New Member

    Thanks for the post. 147,000 plus miles and trans oil and filter change a month a ago. hoped for the best but prepared for the worse. the question now rebuild or replace. reman or used. :no: sign of the times.

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