Lexus RX300 (MCU15). Manual — part 555

SA0UI–06

F14065

N·m (kgf·cm, ft·lbf) : Specified torque

Rear Drive Shaft

Rear Suspension Member

Retainer

Rear Drive Shaft

Rear Differential

Propeller Shaft

56 (570, 41)

74 (750, 54)

95 (970, 70)

181 (1,850, 134)

83 (850, 61)

56 (570, 41)

Rear Crossmember

137 (1,400, 101)

103 (1,050, 76)

z

Exhaust Center Pipe
and Exhaust Tailpipe

62 (630, 46)

z

Non–reusable part

SA–60

–

SUSPENSION AND AXLE

REAR DIFFERENTIAL CARRIER

LEXUS RX300 (RM785E)

ELECTRONIC MODULATED AIR SUSPENSION SYSTEM

COMPONENTS

F13599

Thrust Washer

Straight Pin

Pinion Shaft

Thrust Washer

Side Gear

Pinion Gear

Plate Washer

Plate Washer

Side Bearing

Ring Gear

Drive Pinion

Rear Bearing

Differential Case

Lock Plate

z

Plate Washer

z

z

z

Side Bearing

Oil Deflector

Bearing Cap

Differential
Carrier Cover

x 8

Oil Seal

z

Dust Cover

z

Gasket

z

Drain Plug

49 (500, 36)

Differential
Carrier

Bearing Spacer

Oil Seal

Side Gear Shaft

Companion Flange

z

z

Dust Deflector

z

Oil Slinger

Front Bearing

Dust Cover

z

Oil Seal

z

Gasket

z

Filler Plug

N·m (kgf·cm, ft·lbf)

Non–reusable part

: Specified torque

z

z

Snap Ring

z

See page SA–69

79 (800, 58)

Side Gear Shaft

Breather Plug

97 (985, 71)

7.4 (75, 65 in.·lbf)

47 (475, 34)

21 (210, 15)

49 (500, 36)

–

SUSPENSION AND AXLE

REAR DIFFERENTIAL CARRIER

SA–61

LEXUS RX300 (RM785E)

SA0UJ–04

F14066

F14067

SA–62

–

SUSPENSION AND AXLE

REAR DIFFERENTIAL CARRIER

LEXUS RX300 (RM785E)

REMOVAL

1.

DISCONNECT REAR DRIVE SHAFTS
(See page SA–52)

HINT:
Support the drive shafts securely.
2.

DISCONNECT PROPELLER SHAFT
(See page PR–3)

HINT:
Support the propeller shaft securely.
3.

DRAIN HYPOID GEAR OIL
Torque: 49 N·m (500 kgf·cm, 36 ft·lbf)

4.

REMOVE EXHAUST CENTER PIPE AND EXHAUST
TAILPIPE

Remove the 2 bolts, exhaust center pipe and exhaust tail pipe.

Torque: 43 N·m (440 kgf·cm, 32 ft·lbf)

5.

REMOVE DIFFERENTIAL

(a)

Support the differential with a jack.

(b)

Loosen the 3 rear mounting bolts.
Torque: 95 N·m (970 kgf·cm, 70 ft·lbf)

(c)

Loosen the 2 bolts.
Torque: 137 N·m (1,400 kgf·cm, 101 ft·lbf)

(d)

Support the rear suspension member.

(e)

Remove the 4 nuts, 2 bolts and 2 retainers from the rear
suspension member.
Torque:
Front side: 83 N·m (850 kgf·cm, 61 ft·lbf)
Rear side: 181 N·m (1,850 kgf·cm, 134 ft·lbf)

(f)

Lower the differential with the rear suspension member.

(g)

Remove the loosened 5 bolts, 2 nuts and differential.

(h)

Remove the 2 bolts, nuts and rear crossmember from the
differential.
Torque: 103 N·m (1,050 kgf·cm, 76 ft·lbf)

(i)

Remove the bolt and damper.
Torque: 27 N·m (270 kgf·cm, 20 ft·lbf)

SA21J–01

F01237

30 mm (1.18 in.)

F01238

F01239

F01240

–

SUSPENSION AND AXLE

REAR DIFFERENTIAL CARRIER

SA–63

LEXUS RX300 (RM785E)

DISASSEMBLY

1.

REMOVE DIFFERENTIAL CARRIER COVER

(a)

Remove the 8 bolts from the carrier cover.

(b)

Using a brass bar and hammer, separate the cover from
carrier.

(c)

Remove the breather plug from the differential carrier cov-
er.

(d)

Remove the bolt and oil deflector from the differential car-
rier cover.

2.

CHECK RUNOUT OF COMPANION FLANGE

Using a dial indicator, measure the runout of the companion
flange vertically and horizontally.

Maximum runout: 0.10 mm (0.0039 in.)

3.

CHECK RING GEAR RUNOUT

Using a dial indicator, check the runout of the ring gear.

Maximum runout: 0.07 mm (0.0028 in.)

If the runout is greater than the maximum, replace the ring gear
with new one.

4.

CHECK RING GEAR BACKLASH

Using a dial indicator, check the backlash of the ring gear.

Backlash: 0.13 – 0.18 mm (0.0051 – 0.0071 in.)

If the backlash is not within the specification, adjust the side
bearing preload or repair as necessary.
5.

CHECK TOOTH CONTACT BETWEEN RING GEAR
AND DRIVE PINION (See page SA–69)

6.

CHECK SIDE GEAR BACKLASH

Using a dial indicator, check the backlash of the side gear while
holding 1 pinion gear toward the differential case.

Backlash: 0.05 – 0.20 mm (0.0020 – 0.0079 in.)

If the backlash is not within the specification, install the 2 side
gear thrust washers of different thickness (See page SA–69).