Disassembly
U241E AUTOMATIC TRANSAXLE: FORWARD CLUTCH: DISASSEMBLY
DISASSEMBLY
1. INSPECT PACK CLEARANCE OF FORWARD CLUTCH
(a) Install the forward clutch on the oil pump.
NOTICE: Be careful not to damage the oil seal ring of oil pump.
(b) Using a dial indicator, measure the forward clutch piston stroke while applying and releasing compressed air (392 kPa, 4.0 kgf/cm2, 57 psi).
Standard pack clearance:
1.74 to 2.08 mm (0.0685 to 0.0819 in.)
If the pack clearance is not as specified, inspect the discs, plates and flange.
2. REMOVE FORWARD MULTIPLE DISC CLUTCH DISC
(a) Using a screwdriver, remove the snap ring.
(b) Remove the flange, 5 discs and 5 plates.
3. REMOVE FORWARD CLUTCH RETURN SPRING SUB-ASSEMBLY
(a) Place SST on the spring retainer and compress the return spring with a press.
SST: 09350-32014
09351-32070
(b) Using a snap ring expander, remove the snap ring.
(c) Remove the piston return spring.
4. REMOVE FORWARD CLUTCH PISTON SUB-ASSEMBLY
(a) Place the forward clutch drum onto the oil pump.
(b) Holding the forward clutch drum with your hand, apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the oil pump and remove the forward clutch piston.
NOTICE:
- Applying the air may cause the piston to jump out. When removing the piston, hold it using a piece of cloth.
- Do not splash ATF with the compressed air.
HINT: When the piston is slanted and cannot be removed, remove it by pushing down the protruding side and applying compressed air again, or using needle-nose pliers (with the tips wrapped in tape).
(c) Remove the 2 O-rings from the forward clutch piston.
5. REMOVE INPUT SHAFT OIL SEAL RING
(a) Remove the oil seal ring from the forward clutch drum.