Interesting link to show how the fluids routed through the valve body, accumulators and pistons during forward, reverse, upshift, downshifts and TCC apply
https://www.youtube.com/watch?v=v2YDQeHQZJ0
Interesting watch - 4L60E hydraulic powerflow
Re: Interesting watch - 4L60E hydraulic powerflow
I love those colored tech guides...wish I had them for every trans I work on.