UNDERDRIVE Clutch: Reassembly

INSTALL UNDERDRIVE CLUTCH DRUM O-RING
1. Coat a new O-ring with ATF and install it to the underdrive clutch drum.
  NOTE: Make sure that the O-ring is not twisted or pinched.
  
  Fig 1: Identifying Underdrive Clutch Drum O-Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL UNDERDRIVE CLUTCH PISTON SET
1. Coat the underdrive clutch piston with ATF, and install it to the underdrive clutch piston drum.
  NOTE:
  - Be careful not to damage the O-ring.
  - Be careful not to damage the lip of the piston.
    
    Fig 2: Installing Underdrive Clutch Piston Set
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL UNDERDRIVE CLUTCH RETURN SPRING SUB-ASSEMBLY
1. Install the return spring to the underdrive clutch drum.
  NOTE: After installing the spring sub-assembly, check that all of the springs are engaged in the piston correctly.
2. Coat the clutch balancer with ATF.
  
  Fig 3: Identifying Return Spring And Underdrive Clutch Drum
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Install the clutch balancer to the underdrive clutch drum.
  NOTE: Be careful not to damage the lip of the clutch balancer.
  
  Fig 4: Identifying Clutch Balancer And Underdrive Clutch Drum
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Place SST on the clutch balancer and compress the piston return spring with a press.
  SST 09350-32014 (09351 -32070)
5. Using a snap ring expander, install the snap ring to the underdrive clutch drum.
6. Be sure that the end gap of the snap ring is not aligned with the spring retainer claw.
  NOTE:
  - Stop the press when the spring seat is lowered to the place 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.
    
    Fig 5: Compressing Spring
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Set the end gap of the snap ring in the underdrive clutch drum as shown in the illustration.
  NOTE: The end gap of the snap ring should not align with any of the stoppers.
  
  Fig 6: Identifying Stoppers Location
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL NO. 1 UNDERDRIVE CLUTCH DISC
1. Coat the 4 discs with ATF.
2. Install the 4 plates, 4 discs, and flange to the underdrive clutch drum.
  NOTE: Make sure that the plates, discs, and flange are installed as shown in the illustration.
  
  Fig 7: Identifying Plates, Discs And Flange
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL NO. 2 UNDERDRIVE CLUTCH FLANGE HOLE SNAP RING
1. Using a screwdriver, install the No. 2 underdrive clutch flange hole snap ring.
2. Check that the end gap of the snap ring is not aligned with one of the cutouts.
  NOTE: The snap ring should be fully engaged in the groove of the drum.
  
  Fig 8: Installing Underdrive Clutch Flange Hole Snap Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT UNDERDRIVE PACK CLEARANCE (See INSPECTION )