tranny just went out in my e99 f350 no foreword gears just reverse i have a 01 f250 that i rolled can i just swap the trannys with out changing any thing else or do i have to switch out the pcm or some thing else for the tranny to work they are both 4r100 trannys the 01 i had redone about a year prior to rolling it
my main concern is
The early '99 used an on/off torque converter lockup solenoid. The later trans (and for the rest of the 4R100 run) had a Pulse Width Modulated (PWM) solenoid.
Early 99 is on/off. It switched to PWM in late 99 and kept PWM for the duration of 4R100 production.
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