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89 Ford Mustang Transmission Shifting Problem?

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anrace:
bought this car, it's a 2.3 four cyl. automatic. changed fluid ,filter and modulator . when engine is cool, first thing in the morning, it shifts pretty good, but as the engine warms up i have to lift my foot of the gas pedal to get it to shift into the next gear. what else should i do?

airwaves:
You never should have replaced the transmission fluid in this old of a car. I dont know why, but that usually destroys the tranny if the fluid was not replaced on a regular basis.I have personally seen this happen to about 4 or 5 five people I know. If the tranny works fine in an older car, never replace the fluid.

Soaring:
You need to tighten the bands.  Just changing the fluid on that transmission will not make it go south, but it will indidate that other maintenance needs to take place. 

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