Page 1104 of 1399
Z06898
SA2458
Matchmarks
SA2467SST
Z10281SST
SA2308
−
SUSPENSION AND AXLE FRONT DIFFERENTIAL CARRIER
SA−41
1996 LAND CRUISER (RM451U)
14. w/o DIFFERENTIAL LOCK:
INSTALL ADJUSTING NUTS
Install the adjusting nuts on the carrier , making sure the nuts are
threaded properly.
15. INSTALL BEARING CAPS
Align the matchmarks on the cap and carrier. Screw in the 2
bearing cap bolts 2 or 3 turns and press down the bearing cap
by hand.
HINT:
If the bearing cap does not fit tightly on the carrier , the adjusting
nuts are not threaded properly.
Reinstall the adjusting nuts if necessary.
16. ADJUST SIDE BEARING PRELOAD
(a) Torque the 4 bearing cap bolts to the specified torque, and loosen them to the point where the adjusting nuts can
be turned by SST.
SST 09504−00011
Torque: 78 N·m (800 kgf·cm, 58 ft·lbf)
(b) Fully tighten the 4 bearing cap bolts by hand.
(c) Using the SST, torque the adjusting nut on the ring gear side until the ring has a backlash of about 0.2 mm (0.008
in.).
(d) With turning the ring gear, use the SST to fully tighten the adjusting nut on the drive pinion side. After the bearings
are settled, loosen the adjusting nut on the drive pinion
side.
(e) Place a dial indicator on the top of the adjusting nut on the ring gear side.
(f) Adjust the side bearing for zero preload by tightening the
other adjusting nut until the pointer on the indicator be-
gins to move.
(g) Torque the adjusting nut 1 − 1.5 notches from the zero preload position.
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SA2443SST
SA2403
SA2463
FA2013
Proper ContactHeel Contact
Face 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.
Toe Contact
Flank Contact
SA−42
−
SUSPENSION AND AXLE FRONT DIFFERENTIAL CARRIER
1996 LAND CRUISER (RM451U)
(h) Using a dial indicator, adjust the ring gear backlash until
it is within the specification.
Backlash: 0.13 − 0.18 mm (0.0051 − 0.0071 in.)
HINT:
The backlash is adjusted by turning the left and right adjusting
nuts equal amounts. For example, loosen the nut on the left
side one notch and torque the nut on the right side one notch.
(i) Torque the 4 bearing cap bolts. Torque: 78 N·m (800 kgf·cm, 58 ft·lbf)
(j) Recheck the ring gear backlash. Backlash: 0.13 −0.18 mm (0.0051 −0.0071 in.)
(k) Using a torque wrench, measure the preload. Total preload (at starting):
Drive pinion preload plus
0.4 − 0.6 N·m (4 − 6 kgf·cm, 3.5 − 5.2 in.·lbf)
17. INSPECT TOOTH CONTACT BETWEEN RING GEAR AND DRIVE PINION
(a) Coat 3 or 4 teeth at 3 different positions on the ring gear with red lead.
(b) Hold the companion flange firmly and rotate the ring gear
in both directions.
(c) Inspect the tooth pattern.
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FA2041
Washer
W00529
SA2407
SST
R13140
SST
−
SUSPENSION AND AXLE FRONT DIFFERENTIAL CARRIER
SA−43
1996 LAND CRUISER (RM451U)
If the teeth are not contacting properly, use the following chart
to select a proper washer for correction.
Washer thickness
Thickness mm (in.)Thickness mm (in.)
1.70 (0.0669)2.03 (0.0799)
1.73 (0.0681)2.06 (0.0811)
1.76 (0.0693)2.09 (0.0823)
1.79 (0.0705)2.12 (0.0835)
1.82 (0.0717)2.15 (0.0846)
1.85 (0.0728)2.18 (0.0858)
1.88 (0.0740)2.21 (0.0870)
1.91 (0.0752)2.24 (0.0882)
1.94 (0.0764)2.27 (0.0894)
1.97 (0.0776)2.30 (0.0906)
2.00 (0.0787)2.33 (0.0917)
18. REMOVE COMPANION FLANGE (See page SA−29)
19. REMOVE OIL SLINGER AND REAR BEARING
20. REMOVE REAR BEARING OUTER RACE AND OIL STORAGE RING (See page SA−29 )
21. INSTALL BEARING SPACER AND REAR BEARING
(a) Install a new bearing spacer on the shaft.
(b) Install a new oil storage ring and rear bearing outer race (See page SA−29 ).
(c) Install the rear bearing and oil slinger.
22. INSTALL OIL SEAL
(a) Using SST, install a new oil seal, as shown. SST 09214−76011
Oil seal drive in depth: 1.0 mm (0.039 in.)
(b) Apply MP grease to the oil seal lip.
23. INSTALL COMPANION FLANGE
(a) Install the companion flange with SST. SST 09550 −30010 (09951 −03010, 09953 −03010,
09954 −03010, 09955 −03030, 09956−03020)
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SA2390
SST
SA2403
SA2471
SA−44
−
SUSPENSION AND AXLE FRONT DIFFERENTIAL CARRIER
1996 LAND CRUISER (RM451U)
(b) Install the plate washer and a new nut.
HINT:
Coat the threads of a new nut with gear oil.
(c) Using SST to hold the flange, tighten the nut.
SST 09330−00021
Torque: 196 N·m (2,000 kgf·cm, 145 ft·lbf)
24. ADJUST DRIVE PINION PRELOAD
Using a torque wrench, measure the preload of the backlash
between the drive pinion and ring gear. Preload (at starting):
New bearing:
0.9 − 1.6 N·m (10 − 16 kgf·cm, 8.7 − 13.9 in.·lbf)
Reused bearing:
0.5 − 0.8 N·m (5 − 8 kgf·cm, 4.3 − 6.9 in.·lbf)
If the preload is greater than the specification, replace the bear-
ing spacer.
If the preload is less than the specification, retighten the nut a
little at a time with a torque of 13 N·m (130 kgf·cm, 9 ft·lbf) until
the specified preload is reached. Maximum torque: 343 N·m (3,500 kgf·cm, 253 ft·lbf)
If the maximum torque is exceeded while retightening the nut,
replace the bearing spacer and repeat the preload procedure.
Do not back off the pinion nut to reduce the preload.
25. RECHECK RING GEAR BACKLASH
26. RECHECK TOOTH CONTACT BETWEEN RING GEAR
AND DRIVE PINION
27. CHECK RUNOUT OF COMPANION FLANGE
28. STAKE DRIVE PINION NUT
29. INSTALL ADJUSTING NUT LOCKS
(a) Install 2 new nut locks on the bearing caps. Torque: 13 N·m (130 kgf·cm, 9 ft·lbf)
(b) After tightening bolts, bend the nut locks.
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SA2417
Holes
Groore
Z15179
FIPG Width Approx.
1 − 2 mm (0.04 − 0.08 in.)
Z10101
Adhesive
SA2205
SA1979Lock
−
SUSPENSION AND AXLE FRONT DIFFERENTIAL CARRIER
SA−45
1996 LAND CRUISER (RM451U)
30. w/ DIFFERENTIAL LOCK:
INSTALL SHIFT FORK SHAFT
(a) Apply MP grease onto the outer circuit of the fork shaft.
(b) Install the fork shaft to match the hole of the shift fork and
that of the shift fork shaft.
(c) Remove any FIPG material and be careful not to drop oil on the contacting surface of the differential carrier and
shaft retainer.
(d) Apply FIPG to the carrier, as shown. FIPG: Part No. 08826−00090, THREE BOND 1281 or
equivalent
HINT:
Install the shaft retainer within 10 minutes after applying FIPG.
(e) Clean the threads of the bolts and retainer bolts holes with
toluene or trichlorethylene.
(f) Apply adhesive to 2 or 3 threads of the mount bolt end. Adhesive: Part No. 08833 −00080, THREE BOND 1344,
LOCTITE 242 or equivalent
(g) Tighten the shaft retainer with the 2 bolts. Torque: 24 N·m (240 kgf·cm, 17 ft·lbf)
(h) Using a pin punch and hummer, install the slotted spring pin to the shift fork.
(i) Shift the fork deeply and keep the differential lock condi- tion.
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R13413
R08152
SA1993
R08153
Outside
Shift Fork
Actuator Installation
Hole
SA−46
−
SUSPENSION AND AXLE FRONT DIFFERENTIAL CARRIER
1996 LAND CRUISER (RM451U)
(j) Install the ball, compression spring and spring seat.
(k) Clean the threads of 2 plugs and plug holes with toluene
or trichloroethylene.
(l) Apply adhesive to the plug threads. Adhesive: Part No. 08833 −00080, THREE BOND 1344,
LOCTITE 242 or equivalent
(m) Using a hexagon wrench, install and tighten the screw
plugs.
Torque: 22 N·m (220 kgf·cm, 16 ft·lbf)
31. w/ DIFFERENTIAL LOCK: MEASURE DISTANCE BETWEEN SLEEVE AND DIF-
FERENTIAL CASE END SIDE
Measure distance between the sleeve and tip of the differential
case when differential is free and locked. Standard distance:
LOCK: 17.44 − 18.86 mm (0.6866 − 0.7425 in.)
FREE: 32.40 − 33.90 mm (1.2756 − 1.3346 in.)
32. w/ DIFFERENTIAL LOCK: INSTALL INDICATOR SWITCH
Install the indicator switch with a new gasket. Torque: 40 N·m (410 kgf·cm, 30 ft·lbf)
33. w/ DIFFERENTIAL LOCK: INSTALL ACTUATOR
(a) Check that the outermost rack tooth of the shift fork is virtually above the center line of the actuator installation
hole.
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R08154
Matchmark
(Groove)
5
°
108 ° 1.5 V
32
SA2306
SA1992
R08218
−
SUSPENSION AND AXLE FRONT DIFFERENTIAL CARRIER
SA−47
1996 LAND CRUISER (RM451U)
(b) Ensure that the matchmarks of the pinion of the actuator
is in the extent between zero and 5 degrees clockwise
above the center line of the actuator.
If the matchmarks is not in this extent, rotate the pinion to be
matched. Do not supply the battery positive voltage directly be-
tween terminals. If the matchmarks come to the extension limit
of the rotation, do not electrify moreover.
(c) Install a new O−ring to the actuator.
(d) Apply a light coat of gear oil on the O −ring.
(e) Apply MP grease to the gear part.
(f) Insert the actuator so that the long hole on the actuator side fits with the knock pin on the carrier side.
HINT:
Do not damage the O −ring of the actuator.
(g) Align the actuator with the long hole and rotate the actua-
tor counterclockwise when the knock pin reaches the
right−hand side.
(h) Install the actuator to the differential carrier with the bolt so that the outermost rack tooth of the shift fork will fit the
matchmarks of the pinion of the actuator.
Torque: 26 N·m (270 kgf·cm, 20 ft·lbf)
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SA1UQ−01
SA−48
−
SUSPENSION AND AXLE FRONT DIFFERENTIAL CARRIER
1996 LAND CRUISER (RM451U)
INSTALLATION
Installation is in the reverse order of removal (see page SA−27).
HINT:
w/ differential lock:
Before installation, check differential lock operation connecting the connector of the actuator to the
connector of the vehicle side.
w/ differential lock:
Before installation, check that the sleeves on work with switching over the differential lock control
switch.
After checking, lock the front differential.
After installation, fill the differential with gear oil (See page SA−27).
w/ differential lock:
After installation, check that the bleeder plug at the point of the bleeder tu\
be (inside of the engine room)
is not damaged or worn.
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