I have a 99 f250 with the 7.3, my transmission slips a little going into 3rd gear, i changed the fluid and filter with the same result? Someone was telling me i should drain it again and there was something else i could take out with some type of ball valve and clean the ***** because they will build up and not completely seal?
Maybe someone is blowing smoke up my a** but if its so any tips?
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