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RPM's fluctuate in 4th Gear

Discussion in 'Stock 1995 - 2001 Explorers' started by tsilney, July 19, 2011.

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    1. tsilney

      tsilney Active Member

      July 9, 2006
      Likes Received:
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      City, State:
      montgomery, il
      Year, Model & Trim Level:
      2015 Explorer Sport
      Hey guys got 2001 explorer V8 AWD with 140k on it. Truck has ran perfect forever but lately while cruisng in 4th gear the RPM's jump around. So at 60mph it will go from 1800 up to 2200 then back down. You do not reall feel it that much but you can see the tach move.
      Is this a TC lock up issue? Fluid was changed about 20K ago. It looks good and is at level. Any thoughts. I search the site but could not find any info.
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