Small "bump" when accelerating in 1st and/or 2nd gear

Discussion in '1998 - 2011 Ford Ranger' started by HighPlainsShifter, Apr 21, 2009.

  1. I have a 98 Ranger, 3.0L, 4WD, manual trans.

    When I am accelerating in 1st or 2nd gears the truck often gives a slight bump. After 2nd gear it doesn’t seem to do this and I am in 2WD at the time (not 4WD). It is a lot more noticeable in warm weather. My thoughts are that it is the rear differential slipping and I may try using a friction modification additive. Any ideas on other causes or fixes?
    Last edited by a moderator: May 26, 2009
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  3. TWT51

    TWT51 twt51


    is this automatic trans ? probably low on transmission fluid or needs to time for filter and fluid change on transmission
  4. Jon

    Jon Administrator

    I've had similar issues and it was the transmission fluid, as TWT51 said above.
  5. lovemyranger

    lovemyranger New Member

    check and make sure one of the engine or tranny mounts ar not broken.

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