Lexus SC300 / Lexus SC400. Manual — part 807
(b) Stake
the
differential
case.
3.
INSTALL RING GEAR ON DIFFERENTIAL CASE
(a) Clean the contact surfaces of the differential case and the
threads of the ring gear and differential case.
(b) Heat the ring gear in boiling water.
(c) After the moisture on the ring gear has completely
evaporated, quickly install the ring gear to the differential
case.
HINT: Align the matchmarks on the ring gear and the differen-
tial case.
(d) Tighten 2 of the bolts temporarily so that the bolt holes in the
ring gear and differential case are not misaligned.
NOTICE: The ring gear set bolts should not be tightened until
the ring gear has cooled sufficiently.
4.
INSTALL RING GEAR SET BOLTS
(a) After the ring gear has cooled sufficiently, install 10 new ring
gear set bolts to which thread lock has been applied.
Thread lock:
Part No. 08833–00100, THREE BOND 1360 K or
equivalent.
NOTICE: New ring gear set bolts should be used in every case.
(b) Torque the 10 set bolts uniformly and a little at a time.
Torque: 64 N
⋅
m (650 kgf
⋅
cm, 47 ft
⋅
lbf)
(c) Tighten the bolts an additional 60–90
.
NOTICE: Tighten the bolts in diagonally opposite pairs.
SA–94
–
SUSPENSION AND AXLE
REAR DIFFERENTIAL
5.
INSTALL SIDE BEARINGS
Using SST and a press, install the side bearings.
SST 09550–10012 (09252–10010, 09558–10010)
09710–30050
6.
INSTALL DRIVE PINION BEARING OUTER RACES AND
ADJUSTING WASHER
HINT: The adjusting washer is used for adjusting the tooth
contact pattern. 42 types of washer with differential thick-
nesses are available.
First fit a washer with the same thickness as the washer
which was removed, then after checking the tooth contact
pattern, replace the washer with one of a different thickness
if necessary.
When removing an adjusting washer, be sure to replace it
with a new one.
(a) Using SST and a press, install a new adjusting washer and
the front bearing outer race.
SST 09250–10011 (09252–10010, 09255–10011)
(b) Using SST and a press, install the rear bearing outer race.
SST 09608–30012 (09608–04020, 09608–04100)
7.
INSTALL REAR BEARING TO DRIVE PINION
Using SST and a press, install the rear bearing.
SST 09502–24010
–
SUSPENSION AND AXLE
REAR DIFFERENTIAL
SA–95
8.
INSTALL DRIVE PINION AND FRONT BEARING
(a) Install the drive pinion in the differential carrier.
(b) Using SST and a press, install the front bearing on the drive
pinion.
SST 09316–60010 (09316–00010), 09608–30012
(09608–04030)
HINT: Assemble the spacer and oil seal after adjusting the
tooth contact pattern.
9.
INSTALL OIL SLINGER AND COMPANION FLANGE
(a) Install the oil slinger.
(b) Using SST and a press, install the companion flange.
SST 09223–63010, 09325–40010
10. TEMPORARILY ADJUST DRIVE PINION PRELOAD
(a) Adjust the drive pinion preload by tightening the companion
flange nut.
HINT: Using SST to hold the flange, tighten the nut.
SST 09229–55010, 09330–00021
NOTICE: As there is no spacer, tighten the nut a little at a time,
being careful not to overtighten it.
(b) Using SST and a torque wrench, measure the drive pinion
preload.
SST 09229–55010
Preload (at start):
New bearing:
1.2–1.8 N
⋅
m (12.4–18.4 kgf
⋅
cm, 10.8–16.0 in.
⋅
lbf)
Reused bearing
0.5–0.8 N
⋅
m (5–8 kgf
⋅
cm, 4.3–6.9 in.
⋅
lbf)
SA–96
–
SUSPENSION AND AXLE
REAR DIFFERENTIAL
HINT: For vehicle which have run 8,000 km (5,000 miles) or
less, if the preload value measured disassembly is greater
than the specification for a reused bearing, return the preload
to the same as before disassembly.
11. INSTALL SIDE BEARING OUTER RACE AND ADJUST
WASHER
Using SST and a press, press the outer race and washer.
SST 09608–35014 (09608–06020, 09608–06210)
12. INSTALL DIFFERENTIAL CASE IN CARRIER
Install the drive side bearing in the differential carrier first, as
shown in the illustration, then install the differential case.
13. INSTALL DIFFERENTIAL CARRIER RETAINERS
(a) Using SST and hammer, install the bearing retainer.
SST 09608–35014 (09608–06020, 09608–06180)
–
SUSPENSION AND AXLE
REAR DIFFERENTIAL
SA–97
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