my transmission jerks when I am around 50 mph and accelerating

[Cubsfan033]

I have a 1998 F-150 Supercab. Everytime I am on the highway going about 40-70 mph and I accelerate - my truck has a violent jerk. I have 223,000 miles on it. Not sure how to change the transmission fluid - could this be my problem? How do I change it if so?

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[Turd Furguson]

You just unbolt the pan and allow the liquid to slowly come out. But be warned, there is a lot of fluid in there. You may do more harm than good with that many miles on the truck by changing the fluids.

On a side note, change your filter too !!

[glc]

Also drain the torque converter. Remove the dust cover under the bell housing and turn the engine over until you see the drain plug.

[F150man21]

when was the last time you changed your plugs?