Toyota Tundra. Manual — part 2898

Fig. 497: Measuring Free Length Of No. 3 Brake Piston Return Spring Using Vernier Caliper
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

15. INSPECT FRONT PLANETARY GEAR ASSEMBLY

a. Using a feeler gauge, measure the front planetary pinion gear thrust clearance.

Standard clearance:

0.2 to 0.6 mm (0.00787 to 0.0236 in.)

If the clearance is greater than the standard, replace the front planetary gear assembly.

Fig. 498: Measuring Front Planetary Pinion Gear Thrust Clearance Using Feeler Gauge
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Using a cylinder gauge, measure the inside diameter of the front planetary gear bush.

Standard inside diameter:

61.005 to 61.030 mm (2.402 to 2.403 in.)

If the inside diameter is greater than the standard, replace the front planetary gear.

2009 Toyota Tundra

2009 TRANSMISSION AB60F Automatic Transaxle - Tundra

Fig. 499: Measuring Inside Diameter Of Front Planetary Gear Bush Using Cylinder Gauge
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

16. INSPECT 1-WAY CLUTCH ASSEMBLY

a. Install the 1-way clutch to the 1-way clutch inner race.

b. Hold the 1-way clutch inner race and turn the 1-way clutch. Check that the 1-way clutch turns

freely counterclockwise and locks when turned clockwise.

c. Remove the 1-way clutch from the 1-way clutch inner race.

Fig. 500: Identifying 1-Way Clutch Assembly
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

17. INSPECT NO. 1 BRAKE DISC

a. Replace all discs if one of the following problems is present: 1) a disc, plate or flange is worn or

burnt, 2) the lining of a disc is peeled off or discolored, or 3) grooves or printed numbers have even
a little bit of damage.

NOTE:

Before assembling new discs, soak them in ATF for at least 2 hours.

2009 Toyota Tundra

2009 TRANSMISSION AB60F Automatic Transaxle - Tundra

Fig. 501: Identifying No. 3 Brake Disc
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

18. INSPECT BRAKE PISTON RETURN SPRING SUB-ASSEMBLY

a. Using a vernier caliper, measure the free length of the spring together with the spring seat.

Standard free length:

17.05 mm (0.671 in.)

Fig. 502: Measuring Free Length Of Brake Piston Return Spring Sub-Assembly Using
Vernier Caliper
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

19. INSPECT NO. 2 BRAKE DISC

a. Replace all discs if one of the following problems is present: 1) a disc, plate or flange is worn or

burnt, 2) the lining of a disc is peeled off or discolored, or 3) grooves or printed numbers have even
a little bit of damage.

NOTE:

Before assembling new discs, soak them in ATF for at least 2 hours.

2009 Toyota Tundra

2009 TRANSMISSION AB60F Automatic Transaxle - Tundra

Fig. 503: Identifying No. 2 Brake Disc
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

20. INSPECT NO. 2 BRAKE PISTON RETURN SPRING SUB-ASSEMBLY

a. Using a vernier caliper, measure the free length of the spring together with the spring seat.

Standard free length:

22.66 mm (0.892 in.)

Fig. 504: Measuring Free Length Of No. 2 Brake Piston Return Spring Together With Spring
Seat Using Vernier Caliper
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

21. INSPECT CENTER PLANETARY GEAR ASSEMBLY

a. Using a feeler gauge, measure the center planetary gear pinion thrust clearance.

Standard clearance:

0.20 to 0.60 mm (0.00787 to 0.0236 in.)

If the clearance is greater than the standard, replace the center planetary gear assembly.

2009 Toyota Tundra

2009 TRANSMISSION AB60F Automatic Transaxle - Tundra