Toyota Tundra. Manual — part 2905

Fig. 542: Identifying No. 1 Brake Piston O-Rings
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Press the brake piston into the brake cylinder with both hands.

19. INSTALL NO. 1 BRAKE CYLINDER WITH NO. 1 BRAKE PISTON

a. Install the No. 1 brake cylinder with piston and brake piston return spring to the transmission case.

Fig. 543: Identifying No. 1 Brake Cylinder With Piston & Brake Piston Return Spring
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NOTE:

Be careful not to damage the O-rings.

NOTE:



When installing the No. 1 brake cylinder with piston to the
transmission case, align and install the cylinder's claw to the
case's top groove.



Make sure the No. 1 brake cylinder with piston is securely
inserted into the transmission case.

2009 Toyota Tundra

2009 TRANSMISSION AB60F Automatic Transaxle - Tundra

b. Place SST on the brake return spring and compress the brake return spring.

SST 09380-60010 (09381-06010, 09381-06020, 09381-06050, 09381-06060, 09381-06090, 09381-
06100, 09381-06110, 09381-06120)

Fig. 545: Placing SST On Brake Return Spring & Compressing Brake Return Spring
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c. Using a screwdriver, install the snap ring to the transmission case.

20. SELECT NO. 1 BRAKE FLANGE

a. Measure distance A (from the step in the transmission case to the tip of the No. 1 brake piston)

shown below. *1

HINT:

Standard distance A: 19.74 to 20.22 mm (0.777 to 0.796 in.)

Fig. 544: Identifying Case Top Groove
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 TRANSMISSION AB60F Automatic Transaxle - Tundra

Fig. 546: Identifying Distance A From Transmission Case To Tip Of No. 1 Brake Piston
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Assemble the 4 plates and 4 discs and measure distance B shown below. *2

HINT:

Standard distance B: 16.72 to 17.19 mm (0.658 to 0.677 in.)

Fig. 547: Identifying Distance B
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c. Apply the A and B measurements taken in *1 and *2 to the graph below. Use A for the X axis and

B for the Y axis, and then choose the flange indicated by the graph point.

2009 Toyota Tundra

2009 TRANSMISSION AB60F Automatic Transaxle - Tundra

Fig. 548: Identifying A & B Measurements Graph
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

HINT:

Make sure that when the B measurement and selected flange's thickness are subtracted from the A
measurement, the value is 0.56 to 0.86 mm (0.0220 to 0.0339 in.).

Flange thickness

FLANGE THICKNESS SPECIFICATION TABLE

Mark

Thickness

0

1.95 to 2.05 mm (0.0768 to 0.0807 in.)

1

2.15 to 2.25 mm (0.0846 to 0.0886 in.)

2

2.35 to 2.45 mm (0.0925 to 0.0965 in.)

3

2.55 to 2.65 mm (0.100 to 0.104 in.)

2009 Toyota Tundra

2009 TRANSMISSION AB60F Automatic Transaxle - Tundra