2002 Ford F150 overdrive

2002 FORD F-150
150,000 MILES • 6 CYL • 2WD • AUTOMATIC
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LOCOMAN
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  • 1 POST
I have a F 150 automatic, V6, that shifts normal when transmission oil is cool but when you have warmed up the fluid it shifts in to overdrive and will not shift into the next lower gear when it needs to.
The transmission oil is ok level and looks clean. I added a special tranny lubericate and it seemed to do better in a longer duration but went back into doing the same problem. What is my problem?
Nov 6, 2009 at 1:56 AM
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BMRFIXIT
  • ✓ASE Certified Mechanic
  • 19,053 POSTS
  • ASE Certified Mechanic
Was the fluid changed with the tranny filter
I would start by doing so
check for tranny codes too
Nov 6, 2009 at 6:14 AM
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