Ok i bought a used 2001 Expedition with 144,000 miles.I have noticed that occassionally it shifts rough if i'm going up a hill and it needs to gear down. There were no records with the truck. I'm sure that i need to change the filter/fluid but all threads i've found don't seem to be about expeditions. Where can i find the steps i need to take? I know the library has haynes / chilton manuals but i would like to avoid having to go all the way to the library !!
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I think you're on the right track with the fluid/filter change. Do that first and the problem is likely to go away.

 

check this one... made a noticable difference for me.

https://www.ford-trucks.com/forums/9...xperience.html

good luck!