Transmission shifting like a baby

svtlincoln

Registered
1995 Mark VIII. So a couple of weeks ago I noticed my car was starting to shift like it was a stocker again. Until then it was a nice firm shift at partial throttle and a hard tire barkin shift at WOT. Now when I floor it the shift is soft just like it was before my dyno tune. Also it seems to accelerate faster when I punch it at about 3/4 throttle, wait for the downshift and then floor it. :confused: I haven't changed the fluid in the thing since I had the transmission rebuilt 5 years ago. Before you all start fussin I've only put about 15,000 miles on the car in those 5 years.... 15,000 hard miles.. ;) So my question is 1st, does that seem like it's probably just the fluid needing changed? 2nd, Should I have it flushed? 3rd, the filter is under the valve body if I'm not mistaken so do I need to deal with pulling it and changing the filter?
 
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