BEARING POSITION

Fig 1: Identifying Bearing Position

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Bearing Position

Mark	Front Race Diameter Inside/Outside	Thrust Bearing Diameter Inside/Outside	Rear Race Diameter Inside/Outside
A	74.2 mm (2.921 in.) / 87.74 mm (3.454 in.)	71.9 mm (2.831 in.) / 85.6 mm (3.370 in.)	-
B	38.0 mm (1.496 in.) / 57.0 mm (2.244 in.)	43.4 mm (1.709 in.) / 58.3 mm (2.295 in.)	-
C	-	55.7 mm (2.193 in.) / 76.4 mm (3.008 in.)	-
D	-	-	53.7 mm (2.114 in.) / 74.0 mm (2.913 in.)
E	33.4 mm (1.315 in.) / 49.0 mm (1.929 in.)	32.1 mm (1.264 in.) / 49.35 mm (1.943 in.)	32.1 mm (1.264 in.) / 49.0 mm (1.929 in.)
F	-	21.5 mm (0.847 in.) / 40.8 mm (1.606 in.)	-
G	-	43.6 mm (1.717 in.) / 61.0 mm (2.402 in.)	47.1 mm (1.854 in.) / 67.1 mm (2.642 in.)
H	37 mm (1.45 in.) / 52.3 mm (2.059 in.)	34.6 mm (1.362 in.) / 52.0 mm (2.047 in.)	-
I	36.9 mm (1.453 in.) / 49.7 mm (1.957 in.)	36.1 mm (1.421 in.) / 52.5 mm (2.067 in.)	36.1 mm (1.421 in.) / 51.0 mm (2.007 in.)

INSTALL NO. 4 BRAKE PISTON
1. Coat 2 new O-rings with ATF, and install them to the brake reaction sleeve.
  
  Fig 2: Identifying O-Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Coat 2 new O-rings with ATF, and install them to the brake piston.
3. Install the brake piston to the reaction sleeve.
  NOTE:
  Do not damage the O-rings.
INSTALL BRAKE REACTION SLEEVE
1. Coat a new O-ring with ATF, and install it to the reaction sleeve.
  
  Fig 3: Identifying Brake Reaction Sleeve And No. 4 Brake Piston
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the brake reaction sleeve and the No. 4 brake piston to the transmission case.
  NOTE:
  - Do not damage the O-rings.
  - Make sure the No. 4 brake piston is underneath the brake reaction sleeve.
INSTALL 1ST AND REVERSE BRAKE PISTON
1. Coat a new O-ring with ATF.
  
  Fig 4: Identifying 1st And Reverse Brake Piston
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the O-ring on the 1st and reverse brake piston.
3. With the spring seat of the piston facing upwards (the front side), place the piston in the transmission case.
  NOTE:
  Do not damage the O-ring.
4. Place the brake return spring onto the No. 4 brake piston.
  
  Fig 5: Identifying Piston Return Spring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL 1ST AND REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY
1. Place SST on the brake return spring, and compress the return spring.
  - SST: 09350-30020
    - 09350-07050
  Fig 6: Compressing Return Spring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Using SST, install the snap ring.
  - SST: 09350-30020
    - 09350-07070
3. Install the brake apply tube with its protruding part fitting into the groove of the transmission case as shown in the illustration.
  
  Fig 7: Identifying Brake Apply Tube
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Automatic Transmission Unit: Reassembly: Reassembly

Use the Manual With the Right Hardware

When to See a Mechanic