2001 TOYOTA SEQUOIA differential

FA1121
SA24G±03
FA1123
FA1124
R13423
SST
SST
SSTSST
± SUSPENSION AND AXLEREAR DIFFERENTIAL CARRIER
SA±119
3115 Author: Date:
2005 SEQUOIA (RM1146U)
REASSEMBLY
1. ASSEMBLE DIFFERENTIAL CASE
(a) Install the 2 thrust washers to the side gears.
(b) Install the 2 side gears with the thrust washers, 2 pinion
gears, 2 pinion gear thrust washers and pinion shaft.
HINT:
Align the holes for the straight pin in the differential case and
pinion shaft.
(c) Using a dial indicator, measure the side gear backlash
while holding one pinion gear toward the differential case.
Backlash: 0.05 ± 0.20 mm (0.0020 ± 0.0079 in.)
If the backlash is not within the specified value, replace the side
gear thrust washer with an appropriate thickness.
HINT:
Refer to the following table to select thrust washers which will
ensure that the backlash is within the specified value.
Washer thickness:
Thickness mm (in.)Thickness mm (in.)
1.50 (0.0590)1.75 (0.0689)
1.55 (0.0610)1.80 (0.0709)
1.60 (0.0630)1.85 (0.0728)
1.65 (0.0650)1.90 (0.0748)
1.70 (0.0669)±
(d) Using a pin punch and hammer, install the straight pin
through the holes in the differential case and pinion shaft.
(e) Using a chisel and hammer, stake the outside of the differ-
ential case pin hole.
2. INSTALL SIDE BEARINGS
Using SST and a press, install the 2 side bearings into the differ-
ential case.
SST 09950±60010 (09951±00510),
09950±60020 (09950±00680),
09950±70010 (09951±07150)
3. INSTALL RING GEAR ON DIFFERENTIAL CASE
(a) Clean the contact surfaces of the differential case and
ring gear.

SA1143
Boiling Water
R04332
Matchmarks
Thread Lock
R04334
R04335
SST SA±120
± SUSPENSION AND AXLEREAR DIFFERENTIAL CARRIER
3116 Author: Date:
2005 SEQUOIA (RM1146U)
(b) Heat the ring gear to about 100°C (212°F) in boiling wa-
ter.
(c) Carefully take the ring gear out of the boiling water.
(d) After the moisture on the ring gear has completely evapo-
rated, quickly install the ring gear to the differential case.
HINT:
Align the matchmarks on the ring gear and differential case.
(e) After the ring gear has cooled sufficiently, torque the set
bolts to which thread lock has been applied.
Thread lock:
Part No. 08833±00100, THREE BOND 1360K or equiv-
alent.
Torque: 125 N´m (1,270 kgf´cm, 92 ft´lbf)
4. INSPECT RING GEAR RUNOUT
(a) Install the differential case into the carrier and install the
plate washers to where there is no play in the bearing
(See step 8.).
(b) Install the bearing cap (See step 11.).
(c) Using a dial indicator, measure the runout of the ring gear.
(d) Remove the bearing caps and differential case.
Maximum runout: 0.05 mm (0.0020 in.)
5. INSTALL DRIVE PINION BEARING OUTER RACES
AND ADJUSTING WASHER
(a) Using SST and a press, install a new front bearing outer
race to the carrier.
SST 09950±60020 (09951±00710),
09950±70010 (09951±07150)
(b) Using SST and a press, install a new adjusting washer
and a new rear bearing outer race to the carrier.
SST 09950±60020 (09951±00910),
09950±70010 (09951±07150)

R00055
SST
R11163SST
F14486
40 mm
(1.57 in.)
F14485
SST
± SUSPENSION AND AXLEREAR DIFFERENTIAL CARRIER
SA±121
3117 Author: Date:
2005 SEQUOIA (RM1146U)
HINT:
First fit a washer with the same thickness as the washer which
was removed, then after checking the tooth contact pattern, re-
place the washer with a different thickness if necessary.
6. INSTALL DRIVE PINION REAR BEARING
Using SST and a press, install the rear bearing onto the drive
pinion.
SST 09506±35010
7. TEMPORARILY ADJUST DRIVE PINION PRELOAD
(a) Install the drive pinion and front bearing.
HINT:
After adjusting the ring gear tooth contact pattern, assemble the
spacer, washers and oil seal.
(b) Using SST, install the companion flange.
SST 09950±30012 (09951±03010, 09953±03010,
09954±03010, 09955±03030, 09956±03050)
(c) Coat the threads of a new nut with hypoid gear oil.
(d) 2WD:
Install the conpanion flange nut.
(1) Install the 3 stud bolts so that the heads come out
40 mm (1.57 in.).
(2) Set the SST and install the 3 nuts to the companion
flange.
SST 09213±58013

F14520SST
SA2347
SST
SA2446
R04453
SA±122
± SUSPENSION AND AXLEREAR DIFFERENTIAL CARRIER
3118 Author: Date:
2005 SEQUOIA (RM1146U)
(3) Adjust the drive pinion preload by tightening the
companion flange nut.
HINT:
Using SST to hold the flange, torque the nut.
SST 09330±00021
NOTICE:
As there is no spacer, tighten the nut a little at a time and
be careful not to overtighten it.
(4) Remove the 3 nuts and SST.
(e) 4WD:
Adjust the drive pinion preload by tightening the compan-
ion flange nut.
HINT:
Using SST to hold the flange, torque the nut.
SST 09330±00021
NOTICE:
As there is no spacer, tighten the nut a little at a time and
be careful not to overtighten it.
(f) Using a torque wrench, measure the preload of the drive
pinion using the backlash between the drive pinion and
ring gear.
Preload (at starting):
New bearing
1.3 ± 1.9 N´m (13 ± 19 kgf´cm, 11.4 ± 16.7 in.´lbf)
Reused bearing
0.8 ± 1.1 N´m (8 ± 11kgf´cm, 7.0 ± 9.7 in.´lbf)
(g) 2WD:
Remove the stud bolts from the companion flange.
8. INSTALL DIFFERENTIAL CASE IN CARRIER
(a) Place the 2 bearing outer races on their respective bear-
ings. Make sure the right and left races are not inter-
changed.
(b) Install the differential case in the carrier.
9. ADJUST RING GEAR BACKLASH
(a) Install the plate washer on the ring gear back side.
HINT:
Make sure that the ring gear has backlash.

R04535
R04558
R04453
R04455
R04338
± SUSPENSION AND AXLEREAR DIFFERENTIAL CARRIER
SA±123
3119 Author: Date:
2005 SEQUOIA (RM1146U)
(b) Tap on the ring gear with a plastic hammer so that the
washer fits to the bearing.
(c) Using a dial indicator, while holding the companion
flange, measure the ring gear backlash.
Backlash (reference):
0.13 ± 0.18 mm (0.0051 ± 0.0071 in.)
(d) Select a plate washer for the back side of the ring gear us-
ing the backlash as a reference.
(e) Select a ring gear teeth side plate washer so that there is
no clearance between the outer race and case.
(f) Remove the 2 plate washers and differential case.
(g) Install the plate washer into the ring gear back side of the
carrier.
(h) Place the other plate washer onto the differential case to-
gether with the outer race, and install the differential case
with the outer race into the carrier.
(i) Tap on the ring gear with a plastic hammer so that the
washers fit to the bearing.

R04456
RA0090
R04456
SA±124
± SUSPENSION AND AXLEREAR DIFFERENTIAL CARRIER
3120 Author: Date:
2005 SEQUOIA (RM1146U)
(j) Using a dial indicator, while holding the companion flange
measure the ring gear backlash.
Backlash: 0.13 ± 0.18 mm (0.0051 ± 0.0071 in.)
If the backlash is not within the specified value, adjust it by ei-
ther increasing or decreasing the thickness of washers on both
sides by an equal amount.
HINT:
There should be no clearance between the plate washer and
the case.
Make sure that there is a ring gear backlash.
10. ADJUST SIDE BEARING PRELOAD
(a) Remove the ring gear teeth side plate washer and using
a micrometer, measure the thickness.
(b) Using the backlash as a reference, install a new washer
that is 0.05 ± 0.20 mm (0.0019 ± 0.0078 in.) thicker than
the washer removed.
HINT:
Select a washer which can be pressed in 2/3 of the way with
your finger.
(c) Using a plastic hammer, install the plate washer.
(d) Recheck the ring gear backlash.
Backlash: 0.13 ± 0.18 mm (0.0051 ± 0.0071 in.)
If the backlash is not within the specified value, adjust it by ei-
ther increasing or decreasing the thickness of washers on both
sides by equal amount.
HINT:
The backlash will change by about 0.02 mm (0.0008 in.) corre-
sponding to 0.03 mm (0.0012 in.) change in the plate washer.
Washer thickness:
Thickness
Mark mm (in.)Thickness
Mark mm (in.)Thickness
Mark mm (in.)
58 2.58 (0.1015)90 2.90 (0.1142)22 3.22 (0.1268)
60 2.60 (0.1024)92 2.92 (0.1150)24 3.24 (0.1276)
62 2.62 (0.1031)94 2.94 (0.1157)26 3.26 (0.1283)
64 2.64 (0.1039)96 2.96 (0.1165)28 3.28 (0.1291)
66 2.66 (0.1047)98 2.98 (0.1173)30 3.30 (0.1299)
68 2.68 (0.1055)00 3.00 (0.1181)32 3.32 (0.1307)
70 2.70 (0.1063)02 3.02 (0.1189)34 3.34 (0.1315)
72 2.72 (0.1071)04 3.04 (0.1197)36 3.36 (0.1323)
74 2.74 (0.1079)06 3.06 (0.1205)38 3.38 (0.1331)
76 2.76 (0.1087)08 3.08 (0.1213)40 3.40 (0.1339)
78 2.78 (0.1094)10 3.10 (0.1220)42 3.42 (0.1346)
80 2.80 (0.1102)12 3.12 (0.1228)44 3.44 (0.1354)
82 2.82 (0.1110)14 3.14 (0.1236)46 3.46 (0.1362)
84 2.84 (0.1118)16 3.16 (0.1244)48 3.48 (0.1370)

SA2352
R04323
Z00699
Proper ContactHeel Contact
Toe ContactFace Contact
Flank Contact Select an adjusting washer that will bring the
drive pinion closer to the ring gear.
Select an adjusting washer that will shift the
drive pinion away from the ring gear.
± SUSPENSION AND AXLEREAR DIFFERENTIAL CARRIER
SA±125
3121 Author: Date:
2005 SEQUOIA (RM1146U) 86 2.86 (0.1126)
18 3.18 (0.1252)±
88 2.88 (0.1134)20 3.20 (0.1260)±
11. INSTALL BEARING CAP
(a) Align the matchmarks on the cap and carrier.
(b) Install and torque the 4 bolts.
Torque: 113 N´m (1,150 kgf´cm, 83 ft´lbf)
HINT:
After giving the ring gear 5 rotations or more, recheck the back
lash.
12. MEASURE TOTAL PRELOAD
Using a torque wrench, measure the total preload with the teeth
of the drive pinion and ring gear in contact.
Total preload (at starting):
Drive pinion preload plus 0.4 ± 0.6 N´m (4 ± 6 kgf´cm,
3.5 ± 5.2 in.´lbf)
13. INSPECT TOOTH CONTACT BETWEEN RING GEAR
AND DRIVE PINION
(a) Coat 3 or 4 teeth at three different positions on the ring
gear with red lead primer.
(b) Hold the companion flange firmly and rotate the ring gear
in both directions.
(c) Inspect the teeth pattern.

R04554
R11163SST SA±126
± SUSPENSION AND AXLEREAR DIFFERENTIAL CARRIER
3122 Author: Date:
2005 SEQUOIA (RM1146U)
If the teeth are not contacting properly, use the following table
to select a proper washer for correction.
Washer thickness:
Thickness
Mark mm (in.)Thickness
Mark mm (in.)Thickness
Mark mm (in.)
87 1.87 (0.0736)01 2.01 (0.0791)15 2.15 (0.0846)
88 1.88 (0.0740)02 2.02 (0.0795)16 2.16 (0.0850)
89 1.89 (0.0744)03 2.03 (0.0799)17 2.17 (0.0854)
90 1.90 (0.0748)04 2.04 (0.0803)18 2.18 (0.0858)
91 1.91 (0.0752)05 2.05 (0.0807)19 2.19 (0.0862)
92 1.92 (0.0756)06 2.06 (0.0811)20 2.20 (0.0866)
93 1.93 (0.0760)07 2.07 (0.0815)21 2.21 (0.0870)
94 1.94 (0.0764)08 2.08 (0.0819)22 2.22 (0.0874)
95 1.95 (0.0768)09 2.09 (0.0823)23 2.23 (0.0878)
96 1.96 (0.0772)10 2.10 (0.0827)24 2.24 (0.0882)
97 1.97 (0.0776)11 2.11 (0.0831)25 2.25 (0.0886)
98 1.98 (0.0780)12 2.12 (0.0835)26 2.26 (0.0890)
99 1.99 (0.0783)13 2.13 (0.0839)27 2.27 (0.0894)
00 2.00 (0.0787)14 2.14 (0.0843)28 2.28 (0.0898)
14. REMOVE COMPANION FLANGE (See page SA±113)
15. REMOVE FRONT BEARING (See page SA±113)
16. INSTALL NEW BEARING SPACER, 2 WASHERS AND
FRONT BEARING
(a) Install a new bearing spacer and 2 washers, and place the
front bearing.
(b) Using SST and the companion flange, install the front
bearing then remove the companion flange.
SST 09950±30012 (09951±03010, 09953±03010,
09954±03010, 09955±03030, 09956±03050)
17. INSTALL NEW OIL SEAL
(a) Coat a new oil seal lip with MP grease.