Transmission Description

Transmission Description
The 5R55S has the following features:
^ five forward speeds
^ electronic shift, pressure, and torque converter clutch controls
^ three compound planetary gearsets
^ three bands
^ three multi-plate clutches
^ two one-way clutches

All hydraulic functions are directed by electronic solenoids. The solenoids control:
^ static engagement feel
^ shift feel.
^ shift scheduling.
^ modulated Torque Converter Clutch (TCC) applications.
^ engine braking utilizing the coast clutch and band.
^ manual first and second timing.
^ reverse inhibit timing.





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