LOW ONE-WAY CLUTCH CONSTRUCTION/OPERATION


BHE051319500A04

Construction

• The low one-way clutch locks the counter clockwise rotation (viewed from the torque converter side) of the front planetary carrier. The low one-way clutch operates in D, and M range of the 1GR.

• The low one-way clutch outer race is integrated with the front planetary carrier, and the low one-way clutch inner race is fixed to the transmission case.

Operation

• The low one-way clutch outer race (front planetary carrier) rotates clockwise (seen from the torque converter side) freely, but the sprags rise to lock the rotation when the outer race tries to rotate counter clockwise.

• The low one-way clutch locks the counter clockwise rotation of the front planetary carrier, and also locks the counterclockwise revolution of the rear planetary carrier via the low clutch.

Note
• All rotation directions are as viewed from the torque converter.

1
Low one-way clutch outer race (front planetary carrier) cannot rotate
2
Low one-way clutch outer race (front planetary carrier) can rotate
3
Low one-way clutch inner race (fixed to transmission case)