Toyota Tundra. Manual — part 1020

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c. Using SST to hold the companion flange.

SST 09330-00021 (09330-00030)

Fig. 74: Tightening Companion Flange Nut Using SST
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

d. Coat the threads of the nut with hypoid gear oil.

e. Install the nut by tightening it until the standard preload is reached.

Torque: 441 N*m (4497 kgf*cm, 325 ft.*lbf) or less

f. Using a torque wrench, measure the preload of the backlash between the drive pinion and ring gear.

Standard preload (at starting)

STANDARD PRELOAD (AT STARTING) SPECIFICATIONS

Fig. 75: Measuring Preload Of Backlash Between Drive Pinion And Ring Gear
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NOTE:

As there is no spacer, tighten the nut a little at a time, being careful
not to overtighten it.

Bearing

Specified Condition

New

1.04 to 1.69 N*m (11 to 17 kgf*cm, 10 to 14 in.*lbf)

Reused

0.85 to 1.37 N*m (9 to 13 kgf*cm, 8 to 12 in.*lbf)

2009 Toyota Tundra

2009 DRIVELINE/AXLES Differential - Tundra

HINT:

Measure the total preload after first turning the bearing clockwise and counterclockwise several
times to make the bearing smooth.

11. INSTALL REAR DIFFERENTIAL CASE ASSEMBLY

a. Place the 2 bearing outer races on their respective bearings.

Fig. 76: Placing Bearing Outer Races On Their Respective Bearings
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

12. INSTALL REAR DIFFERENTIAL BEARING ADJUSTING NUT

a. Install the 2 adjusting nuts onto the carrier, making sure the nuts are threaded properly.

Fig. 77: Installing Adjusting Nuts Onto Carrier
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

13. INSPECT AND ADJUST DIFFERENTIAL RING GEAR AND DIFFERENTIAL DRIVE PINION

BACKLASH

a. Align the matchmarks on the bearing cap and carrier.

NOTE:

Do not interchange the right and left race.

2009 Toyota Tundra

2009 DRIVELINE/AXLES Differential - Tundra

Fig. 78: Aligning Matchmarks On Bearing Cap And Carrier
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Install the right and left bearing caps with the 4 bolts.

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

If the bearing cap does not fit tightly on the carrier, the adjusting nuts are not threaded properly.

Reinstall the adjusting nuts if necessary.

Fig. 79: Installing Right And Left Bearing Caps Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c. Loosen the 4 bearing cap bolts to the point where the adjusting nuts can be turned using SST.

SST 09504-00011

d. Using SST, tighten the adjusting nut on the ring gear side until the ring has a backlash of about 0.2

mm (0.00788 in.).

2009 Toyota Tundra

2009 DRIVELINE/AXLES Differential - Tundra

Fig. 80: Tightening Adjusting Nut Using SST
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

e. While turning the ring gear, use SST to tighten the adjusting nut on the drive pinion side. After the

bearings have settled, loosen the adjusting nut on the drive pinion side.

SST 09504-00011

f. Using SST, tighten the adjusting nut 1 to 1.5 notches from the 0 preload position.

Fig. 81: Tightening Adjusting Nut On Drive Pinion Side Using SST
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

g. Using a dial indicator, adjust the ring gear backlash until it is within the specification.

SST 09504-00011

Standard backlash: 0.10 to 0.20 mm (0.00394 to 0.00788 in.)

2009 Toyota Tundra

2009 DRIVELINE/AXLES Differential - Tundra