Toyota Tundra (2015 year). Manual — part 794
7. INSTALL REAR DRIVE PINION REAR TAPERED ROLLER BEARING
(a) Using SST and a press, press in the bearing (outer race).
SST: 09950-60020
09951-00890
SST: 09950-70010
09951-07150
8. INSTALL REAR DRIVE PINION REAR TAPERED ROLLER BEARING
(a) Install the plate washer onto the drive pinion.
Text in Illustration
*1
Plate Washer
HINT:
First fit a washer with the same thickness as the removed
SST: 09506-35010
9. INSPECT DIFFERENTIAL DRIVE PINION PRELOAD
(a) Install the drive pinion, front bearing (inner race) and oil slinger.
HINT:
Assemble the spacer and oil seal after adjusting the gear contact
pattern.
(b) Using SST, install the companion flange.
SST: 09950-30012
09951-03010
09953-03010
09954-03010
09956-03050
SST: 09955-03050
DIFFERENTIAL: DIFFERENTIAL CARRIER ASSEMBLY (for 1UR-...
(c) Using SST to hold the companion flange.
SST: 09330-00021
09330-00030
Torque:
441 N·m {4497 kgf·cm, 325ft·lbf} or less
NOTICE:
As there is no spacer, tighten the nut a little at a time, being careful not to overtighten it.
Standard preload (at starting):
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)
HINT:
Measure the total preload after first turning the bearing clockwise
and counterclockwise several times to make the bearing smooth.
10. INSTALL REAR DIFFERENTIAL CASE ASSEMBLY
(a) Place the 2 bearing outer races on their respective bearings.
NOTICE:
Do not interchange the right and left race.
11. INSTALL REAR DIFFERENTIAL BEARING ADJUSTING NUT
DIFFERENTIAL: DIFFERENTIAL CARRIER ASSEMBLY (for 1UR-...
(a) Install the 2 adjusting nuts onto the carrier, making sure the
nuts are threaded properly.
12. INSPECT AND ADJUST DIFFERENTIAL RING GEAR AND DIFFERENTIAL DRIVE PINION
BACKLASH
(a) Align the matchmarks on the bearing cap and carrier.
Text in Illustration
*a
Matchmark
(b) Install the right and left bearing caps with the 4 bolts.
Torque:
103 N·m {1049 kgf·cm, 76ft·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.
(c) Loosen the 4 bearing cap bolts to the point where the adjusting
nuts can be turned using SST.
SST: 09504-00011
DIFFERENTIAL: DIFFERENTIAL CARRIER ASSEMBLY (for 1UR-...
(e) While turning the ring gear, using 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
Text in Illustration
*a
Pinion Side
(f) Using SST, tighten the adjusting nut 1 to 1.5 notches from the 0 preload position.
(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 0.00787 in.)
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
Torque:
103 N·m {1049 kgf·cm, 76ft·lbf}
Text in Illustration
*a
Matchmark
13. 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)
14. INSPECT TOOTH CONTACT BETWEEN RING GEAR AND DRIVE PINION
DIFFERENTIAL: DIFFERENTIAL CARRIER ASSEMBLY (for 1UR-...
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