Toyota Tundra. Manual — part 1021

Fig. 82: Adjusting Ring Gear Backlash
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

HINT:



The backlash is adjusted by turning the left and right adjusting nuts an equal amount. For
example, loosen the nut on the right side one notch and loosen the nut on the left side one
notch.



Perform the measurement at 3 or more positions around the circumference of the ring gear.

h. Tighten the bearing cap bolts.

Torque: 103 N*m (1050 kgf*cm, 76 ft.*lbf)

Fig. 83: Identifying Bearing Cap Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

14. INSPECT TOTAL PRELOAD

a. Using a torque wrench, measure the preload with the teeth of the drive pinion and ring gear in

contact.

Standard total preload (at starting): Standard drive pinion preload plus 0.24 to 0.46 N*m (3
to 4 kgf*cm, 3 to 4 in.*lbf)

2009 Toyota Tundra

2009 DRIVELINE/AXLES Differential - Tundra

Fig. 84: Measuring Preload With Teeth Of Drive Pinion And Ring Gear In Contact
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

15. INSPECT TOOTH CONTACT BETWEEN RING GEAR AND DRIVE PINION

a. Coat 3 or 4 teeth at 3 different positions on the ring gear with Prussian blue.

Fig. 85: Coating 3 Or 4 Teeth At 3 Different Positions On Ring Gear With Prussian Blue
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Turn the companion flange in both directions to inspect the ring gear for proper tooth contact.

2009 Toyota Tundra

2009 DRIVELINE/AXLES Differential - Tundra

Fig. 86: Inspecting Ring Gear For Proper Tooth Contact
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

If the teeth are not contacting properly, use the following table to select a proper washer for
correction.

Fig. 87: Identifying Plate Washer
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Washer thickness

WASHER THICKNESS SPECIFICATIONS

Thickness

Thickness

1.04 to 1.06 mm (0.0409 to 0.0417 in.) 1.315 to 1.335 mm (0.0518 to 0.0526 in.)

2009 Toyota Tundra

2009 DRIVELINE/AXLES Differential - Tundra

16. REMOVE REAR DRIVE PINION NUT

a. Using SST to hold the companion flange, remove the nut.

SST 09330-00021 (09330-00030)

Fig. 88: Identifying Rear Drive Pinion Nut
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

17. REMOVE REAR DRIVE PINION COMPANION FLANGE SUB-ASSEMBLY (see

DISASSEMBLY )

18. REMOVE REAR DIFFERENTIAL DRIVE PINION OIL SLINGER

19. REMOVE REAR DRIVE PINION FRONT TAPERED ROLLER BEARING

a. Using SST, remove the bearing (inner race).

SST 09556-22010

1.065 to 1.085 mm (0.0420 to 0.0427 in.) 1.34 to 1.36 mm (0.0528 to 0.0535 in.)

1.09 to 1.11 mm (0.0419 to 0.0437 in.) 1.365 to 1.385 mm (0.0537 to 0.0545 in.)

1.115 to 1.135 mm (0.0439 to 0.0447 in.) 1.39 to 1.41 mm (0.0547 to 0.0555 in.)

1.14 to 1.16 mm (0.0449 to 0.0457 in.) 1.415 to 1.435 mm (0.0558 to 0.0565 in.)

1.165 to 1.185 mm (0.0459 to 0.0467 in.) 1.44 to 1.46 mm (0.0567 to 0.0575 In.)

1.19 to 1.21 mm (0.0469 to 0.0476 in.) 1.465 to 1.485 mm (0.0577 to 0.0585 in.)

1.215 to 1.235 mm (0.0478 to 0.0486 in.) 1.49 to 1.51 mm (0.0587 to 0.0595 in.)

1.24 to 1.26 mm (0.0488 to 0.0496 in.) 1.515 to 1.535 mm (0.0597 to 0.0605 in.)

1.265 to 1.285 mm (0.0498 to 0.0506 in.) 1.54 to 1.56 mm (0.0607 to 0.0615 in.)

1.29 to 1.31 mm (0.0508 to 0.0516 in.)

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2009 Toyota Tundra

2009 DRIVELINE/AXLES Differential - Tundra