Underdrive Clutch Disassembly
INSPECT UNDERDRIVE PACK CLEARANCE
REMOVE UNDERDRIVE CLUTCH FLANGE NO. 2 HOLE SNAP RING
REMOVE NO. 1 UNDERDRIVE CLUTCH DISC
REMOVE UNDERDRIVE CLUTCH RETURN SPRING SUB-ASSEMBLY
REMOVE UNDERDRIVE CLUTCH PISTON SET
REMOVE UNDERDRIVE CLUTCH DRUM O-RING
Underdrive Clutch -- Disassembly |
1. INSPECT UNDERDRIVE PACK CLEARANCE |
Install the underdrive clutch to the transaxle case.
- NOTICE:
- Be careful not to damage the oil seal rings.
Install a dial indicator as shown in the illustration.
Measure the underdrive clutch pack clearance while applying and releasing compressed air (392 kPa, 4.0 kgf/cm2, 57 psi).
- Standard pack clearance:
- 1.51 to 1.71 mm (0.0594 to 0.0673 in.)
If the pack clearance is not as specified, inspect the discs, plates and flange.
- HINT:
- There are 5 different thicknesses of flanges available.
- Standard flange thickness:
Mark
| Thickness
| Mark
| Thickness
|
1
| 3.0 mm (0.118 in.)
| 4
| 3.6 mm (0.142 in.)
|
2
| 3.2 mm (0.126 in.)
| 5
| 3.8 mm (0.150 in.)
|
3
| 3.4 mm (0.134 in.)
| -
| -
|
2. REMOVE UNDERDRIVE CLUTCH FLANGE NO. 2 HOLE SNAP RING |
Using a screwdriver, remove the snap ring.
3. REMOVE NO. 1 UNDERDRIVE CLUTCH DISC |
Remove the flange, 4 discs and 4 plates from the underdrive clutch drum.
4. REMOVE UNDERDRIVE CLUTCH RETURN SPRING SUB-ASSEMBLY |
Place SST on the clutch balancer and compress the spring with a press.
- SST
- 09350-32014
Using a snap ring expander, remove the snap ring.
- NOTICE:
- Stop the press when the spring seat is lowered to a position 1 to 2 mm (0.039 to 0.078 in.) from the snap ring groove. This prevents the spring seat from being deformed.
- Do not expand the snap ring excessively.
Remove the clutch balancer from the underdrive clutch drum.
Remove the return spring from the underdrive clutch drum.
5. REMOVE UNDERDRIVE CLUTCH PISTON SET |
Install the underdrive clutch to the transaxle case.
- NOTICE:
- Be careful not to damage the oil seal ring.
Holding the underdrive clutch piston by hand, apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the transaxle case to remove the underdrive clutch piston.
6. REMOVE UNDERDRIVE CLUTCH DRUM O-RING |
Using a screwdriver, remove the O-ring from the underdrive clutch drum.