Second Brake Piston: Reassembly

INSTALL 2ND BRAKE CYLINDER O-RING
1. Coat 2 new 2nd brake cylinder O-rings with ATF, install them in the 2nd brake cylinder.
  NOTE: Be careful not to damage the O-ring.
  
  Fig 1: Installing 2nd Brake Cylinder O-Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL 2ND BRAKE PISTON
1. Coat 2 new O-rings with ATF, install them in the 2nd brake piston.
2. Be careful not to damage the O-rings and press in the 2nd brake piston into the 2nd brake cylinder with a your hands.
  
  Fig 2: Installing 2nd Brake Piston
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL 2ND BRAKE PISTON RETURN SPRING SUB-ASSEMBLY
1. Install the 2nd brake piston return spring subassembly.
  
  Fig 3: Installing 2nd Brake Piston Return Spring Subassembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Place SST on the 2nd brake piston return spring, and compress the 2nd brake piston return spring with a press.
  SST 09387-00060
3. Using a screwdriver, install the snap ring.
  NOTE: Be sure the end gap of the snap ring is not aligned with the piston return spring claw.
  
  Fig 4: Installing Snap Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002