Forward Clutch: Disassembly
- Install forward clutch assembly to OD case. Remove snap ring. Remove front and direct clutch hubs. Remove thrust bearing and races from clutch drum, noting component direction prior to removal. See Fig 1
.
- Check forward clutch piston stroke. Install direct clutch hub and snap ring. Using a dial indicator, measure forward clutch piston stroke while applying 57-114 psi (4-8 kg/cm2
) to OD case oil hole. See Fig 2
. Piston stroke should be .055-.088" (1.40-2.24 mm). If piston stroke is not as specified, inspect discs. Remove snap ring and direct clutch hub.
- Remove snap ring, discs and plates. Note location and number of components. Using appropriate spring compressor, compress piston return spring. Remove snap ring and piston return spring. Place clutch drum on OD case. Carefully apply air pressure to case oil hole to remove piston. See Fig 2
. Remove "O" rings from clutch piston.
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.