BEARING POSITION

Fig 1: Identifying Bearing Position

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

FRONT RACE DIAMETER INSIDE/OUTSIDE

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.
2. Coat 2 new O-rings with ATF, and install them to the No. 4 brake piston.
3. Install the No. 4 brake piston to the reaction sleeve.
  NOTE: Be careful not to damage the 4 O-rings.

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