1996 TOYOTA LAND CRUISER oil

R13166
SST
SA2348
SST
Z00641
SST
SSTSST
SA−82
−
SUSPENSION AND AXLE REAR DIFFERENTIAL CARRIER
1996 LAND CRUISER (RM451U)
(c) Using SST, remove the companion flange.
SST 09950 −30010 (09951 −03010, 09953 −03010,
09954 −03010, 09955 −03030, 09956−03020)
12. REMOVE OIL SEAL AND OIL SLINGER
(a) Using SST, remove the oil seal from the dif ferential carrier.
SST 09308−10010
(b) Remove the oil slinger.
13. REMOVE FRONT BEARING
Using SST, remove the front bearing from the drive pinion. SST 09556−22010
If the front bearing is damaged or worn, replace the bearing.
14. w/o DIFFERENTIAL LOCK: REMOVE DIFFERENTIAL CASE ASSEMBLY
(a) Place matchmarks on the bearing cap and dif ferential car-
rier.
(b) Remove the 2 adjusting nut locks.
HINT:
Tag the disassembled parts to show the location for reassemb-
ly.
(c) Remove the 2 bearing caps and adjusting nuts.
(d) Remove the differential case with the bearing outer races
from the carrier.
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SA0510
SA1VJ−04
Z06893
−
SUSPENSION AND AXLE REAR DIFFERENTIAL CARRIER
SA−87
1996 LAND CRUISER (RM451U)
REASSEMBLY
1. w/o DIFFERENTIAL LOCK:
ASSEMBLE DIFFERENTIAL CASE
(a) Apply all of the sliding and rotating surfaces with gear oil.
(b) Install the 2 thrust washers and side gears. Using the table below, select the thrust washers which will
ensure that the backlash is within the specification.
Try to select washers of the same size for both sides.
Backlash: 0.02 − 0.20 mm (0.0008−0.0079 in.)
Thrust washer thickness
Thickness mm (in.)Thickness mm (in.)
1.60 (0.063)1.90 (0.075)
1.75 (0.069)2.05 (0.081)
(c) Install the side gears with the side gear thrust washers,
pinion gears, pinion gear thrust washers and pinion shaft.
HINT:
Align the hole for the pinion shaft and differential case hole.
(d) Using a dial indicator, measure the side gear backlash with holding the one pinion gear toward the case.
Backlash: 0.02 − 0.20 mm (0.0008 − 0.0079 in.)
If the backlash is not within the specification, install a thrust
washer of different thickness.
(e) Install the pinion shaft pin and washer.
Torque: 27 N·m (275 kgf·cm, 20 ft·lbf)
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SA0510
R08274
R08276
R13246
SA−88
−
SUSPENSION AND AXLE REAR DIFFERENTIAL CARRIER
1996 LAND CRUISER (RM451U)
2. w/ DIFFERENTIAL LOCK:
MEASURE SIDE GEAR BACKLASH
(a) Apply all of the sliding and rotating surfaces with gear oil.
(b) Install the thrust washer to the side gear.
(c) Install the thrust washer to the pinion gear.
(d) Install the side gear into the case.
(e) Install the holder into the case.
(f) Install the 4 pinion gears with the thrust washers.
(g) Align the pinion shaft hole and case pinion shaft pin hole,
and install the pinion shaft.
(h) Install the side gear to the cover.
(i) Align the matchmarks and install the case and cover.
(j) Using a torx socket wrench, torque the 5 bolts and 3 pin-
ion shaft pins.
Torque: 58 N·m (590 kgf·cm, 43 ft·lbf)
(k) Using a dial indicator, with holding the side gear and mea- sure the backlash.
Backlash: 0.02 − 0.20 mm (0.0008 − 0.0079 in.)
HINT:
Measure at all 4 locations.
If the backlash is not within the specification, install the thrust
washer of a different thickness. Thrust washer thickness
Thickness mm (in.)Thickness mm (in.)
1.60 (0.063)1.90 (0.075)
1.75 (0.069)2.05 (0.081)
(l) After measuring backlash, remove the 5 set bolts and 3pinion shaft pins.
3. w/ DIFFERENTIAL LOCK: ASSEMBLE DIFFERENTIAL CASE
(a) Clean the thread of the bolts, pinion shaft pins, case and
cover with the white gasoline.
(b) Coat the threads of the bolts and pinion shaft pins with adhesive.
Adhesive: Part No. 08833 −00070, THREE BOND 1324
or equivalent
(c) Align the matchmarks, install the case and cover.
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SA1143
Boiling Water
−
SUSPENSION AND AXLE REAR DIFFERENTIAL CARRIER
SA−89
1996 LAND CRUISER (RM451U)
(d) Using a torx socket wrench, torque the 5 bolts and 3 pin-
ion shaft pins.
Torque: 58 N·m (590 kgf·cm, 43 ft·lbf)
4. INSTALL SIDE BEARINGS
(a) w/o Differential lock: Using SST and a press, install the 2 side bearings on the
differential case.
SST 09315−00022, 09550 −10012 (09558−10010)
(b) w/ Differential lock:
Using SST and a press, install the 2 side bearings on the
differential case.
SST 09550−60010, 09550 −10012 (09558−10010)
5. INSTALL RING GEAR ON DIFFERENTIAL CASE
(a) Clean the contact surfaces of the differential case and ring gear.
(b) Heat the ring gear to about 100° C (212°F) in boiling wa-
ter.
(c) Carefully remove the ring gear from the boiling water.
(d) After the moisture on the ring gear has completely evapo-
rated, quickly install the ring gear to the differential case.
(e) Align the matchmarks on the ring gear and differential case.
(f) Temporarily install the set bolts and nuts so that the bolt
holes in the ring gear and differential case are not misa-
ligned.
NOTICE:
Install the bolts so that the tapered part of the bolt is on the
ring gear side. The ring gear set nuts should not tighten un-
til the ring gear has cooled sufficiently.
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SA2425
SSTSST
Front
Rear
SA3102
SST
R13414
SST
SA−90
−
SUSPENSION AND AXLE REAR DIFFERENTIAL CARRIER
1996 LAND CRUISER (RM451U)
(g) After the ring gear cools down enough, tighten the set
bolts uniformly and a little at a time.
Torque: 110 N·m (1,125 kgf·cm, 81 ft·lbf)
6. CHECK RING GEAR RUNOUT
(a) Install the differential case onto the carrier and tighten the
adjusting nut just to where there is no play in the bearings.
(b) Using a dial indicator, check the ring gear runout. Maximum runout: 0.10 mm (0.0039 in.)
(c) Remove the differential case.
7. INSTALL DRIVE PINION FRONT AND REAR BEARING
OUTER RACES
(a) Front side: Using SST and a press, install the 2 outer races.
SST 09950−60020 (09951 −00710),
09950 −70010 (09951 −07150)
(b) Rear side: Using SST and a press, install the 2 outer races.
SST 09950−60020 (09951 −00890),
09950 −70010 (09951 −07150)
8. INSTALL DRIVE PINION REAR BEARING
(a) Install the washer on the drive pinion.
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 one of a different thickne ss if necessary.
(b) Using SST and a press, install the rear bearing onto the drive pinion.
SST 09506−35010
9. TEMPORARILY ADJUST DRIVE PINION PRELOAD
(a) Install the drive pinion and front bearing.
HINT:
Assemble the spacer and oil seal after adjusting the gear con-
tact pattern.
(b) Install the oil slinger.
(c) Install the companion flange with SST. SST 09550 −30010 (09951 −03010, 09953 −03010,
09954 −03010, 09955 −03030, 09956−03020)
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SA2450
SST
SA2446
R08261
R08262
−
SUSPENSION AND AXLE REAR DIFFERENTIAL CARRIER
SA−91
1996 LAND CRUISER (RM451U)
(d) Adjust the drive pinion preload by tightening the compan-
ion flange nut.
Using SST to hold the flange, tighten the nut.
SST 09330−00021
NOTICE:
Coat the nut and screw of the drive pinion with gear oil. As
there is no spacer, tighten a little at a time, being careful not
to overtighten.
(e) Using a torque wrench, measure the preload. Preload (at starting):
New bearing
1.3 − 2.0 N·m (13 − 20 kgf·cm, 11.3 − 17.4 in.·lbf)
Reused bearing
0.7 − 1.0 N·m (7 − 10 kgf·cm, 6.1 − 8.7 in.·lbf)
HINT:
Measure the total preload after first turning the bearing clock-
wise and counterclockwise several times to make the bearing
smooth.
10. w/o DIFFERENTIAL LOCK: INSTALL DIFFERENTIAL CASE IN CARRIER
(a) Place the 2 bearing outer races on their respective bear- ings. Make sure that the left and right outer races are not
interchanged.
(b) Install the case in the carrier.
HINT:
Make sure that there is backlash between the ring gear and
drive pinion.
11. w/ DIFFERENTIAL LOCK: INSTALL DIFFERENTIAL CASE IN CARRIER
(a) Place the 2 bearing outer races on their respective bear- ings. Make sure that the left and right races are not inter-
changed.
(b) Install the assembled plate washer onto the side bearing.
(c) Install the differential case in the carrier.
(d) Make the plate washer and bearing smooth by tapping on
the ring gear with a plastic hammer.
HINT:
If it is difficult to install the differential case into the carrier, re-
place the plate washer with a thinner one.
However, select a plate washer that allows no clearance be-
tween it and the carrier.
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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
FA2041
Washer
SA2394
SA−96
−
SUSPENSION AND AXLE REAR DIFFERENTIAL CARRIER
1996 LAND CRUISER (RM451U)
If the teeth are not contacting properly, use the following chart
to select a proper washer for correction.
Thickness mm (in.)Thickness mm (in.)
1.05 (0.0413)1.35 (0.0531)
1.10 (0.0433)1.40 (0.0551)
1.15 (0.0453)1.45 (0.0571)
1.20 (0.0472)1.50 (0.0591)
1.25 (0.0492)1.55 (0.0610)
1.30 (0.0512)−
19. REMOVE COMPANION FLANGE (See page SA−29)
20. REMOVE OIL SLINGER AND FRONT BEARING (See
page SA−29 )
21. INSTALL BEARING SPACER AND FRONT BEARING
(a) Install a new bearing spacer on the shaft.
(b) Install the front bearing and oil slinger.
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SA2454
SST
R13414
SST
SA2351
SST
SA2446
−
SUSPENSION AND AXLE REAR DIFFERENTIAL CARRIER
SA−97
1996 LAND CRUISER (RM451U)
22. INSTALL OIL SEAL
(a) Using SST and a hammer, 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)
(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: 245 N·m (2,500 kgf·cm, 181 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
1.3 − 2.0 N·m (13 − 20 kgf·cm, 11.3 − 17.4 in.·lbf)
Reused bearing
0.7 − 1.0 N·m (7 − 10 kgf·cm, 6.1 − 8.7 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 13 N·m (130 kgf·cm, 9 ft·lbf) until the specified pre-
load is reached. Maximum torque: 441 N·m (4,500 kgf·cm, 326 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.
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