1995 Ford Bronco Harsh shifting on occasion

Tiny
BILLB1152
  • MEMBER
  • 1995 FORD BRONCO
  • V8
  • 4WD
  • AUTOMATIC
  • 98,000 MILES
There appears to be an intermittent problem with my transmission. Often it works fine, but on occasion it seams to switch for days at a time into a mode where it slams into gear. When I shift into drive and while shifting later into higher gears it slams each one in. The problem goes away for weeks at a time and I dont see any pattern for this behavior. The car is completely stock and there has not been any changes made to cause this problem.
Monday, February 18th, 2008 AT 8:45 AM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
TSB# 97-11-11 for 4R70W tranny states. Erratic or prolonged 1-2 shift.
94-97 Mustang and others. Replace the cast aluminum piston with the one piece stamped steel piston with bonded lip seals and replace the top accumulator spring. This is due to 1-2 accumulator bore scuffing the revised piston can be used in the scuffed seal bore.
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Monday, February 18th, 2008 AT 8:46 AM

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