Shift Mechanism

The RE4RO3A automatic transmission uses compact, dual planetary gear systems to improve power-transmission efficiency, simplify construction and reduce weight.
It also employs an optimum shift control and superwide gear ratios. They improve starting performance and acceleration during medium and high-speed operation.
Two one-way clutches are also employed: one is used for the forward clutch and the other for the low clutch. These one-way clutches, combined with four accumulators, reduce shifting shock to a minimum.

CONSTRUCTION
(1) Torque converter clutch piston
(2) Torque converter
(3) Oil pump
(4) Input shaft
(5) Brake band
(6) Reverse clutch
(7) High clutch
(8) Front pinion gear
(9) Front sun gear
(10) Front internal gear
(11) Front planetary carrier
(12) Rear sun gear
(13) Rear pinion gear
(14) Rear internal gear
(15) Rear planetary carrier
(16) Forward clutch
(17) Forward one~way clutch
(18) Overrun clutch
(19) Low one-way clutch
(20) Low & reverse brake
(21) Parking pawl
(22) Parking gear
(23) Output shaft

FUNCTION OF CLUTCH AND BRAKE





OPERATION OF CLUTCH AND BRAKE