Lexus RX300 (MCU15). Manual — part 542

SA16P–02

SA3213

A

B

D

Front

C

F02670

F02671

Toe–in

Toe–out

SA–8

–

SUSPENSION AND AXLE

REAR WHEEL ALIGNMENT

LEXUS RX300 (RM785E)

REAR WHEEL ALIGNMENT

INSPECTION

1.

MEASURE VEHICLE HEIGHT (See page SA–4)

2.

INSTALL CAMBER–CASTER–KINGPIN GAUGE OR
POSITION VEHICLE ON WHEEL ALIGNMENT TES-
TER

Follow the specific instructions of the equipment manufacturer.
3.

INSPECT CAMBER

Camber

Left–right error

–0°42’ ± 45’ (–0.70° ± 0.75°)

45’ (0.75°) or less

HINT:
Camber is not adjustable, if the measurement is not within the
specification, inspect the suspension parts for damaged and/or
worn–out parts and replace them as necessary.

4.

INSPECT TOE–IN

Toe–in

(total)

A + B: 0°18’ ± 12’ (0.3° ± 0.2°)

C – D: 3 ± 2 mm (0.12 ± 0.08 in.)

If the toe–in is not within the specification, adjust it at the No. 2
lower suspension arm.

5.

ADJUST TOE–IN

(a)

Measure the distance between each wheel disc and cor-
ner of the toe–adjusting cam then confirm that left and
right distances are the same.
No. 2 lower suspension arm length difference:
3.0 mm (0.118 in.) or less

If the left–right difference is larger than 3.0 mm (0.118 in.), ad-
just it by following the procedures below.
(b)

Loosen the toe–adjusting cam lock bolt.

(c)

Turn the toe–adjusting cam by an equal amount to adjust
toe–in.

HINT:

S

Try to adjust the toe–in to the center value.

S

The toe–in will change by the following specifications cor-
responding to each graduation of the cam.
Approx. 3.4 mm (0.134 in.)

(d)

Torque the lock bolt.
Torque: 113 N·m (1,150 kgf·cm, 83 ft·lbf)

SA07B–11

F14045

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

z

Non–reusable part

Front Shock Absorber

Drive Shaft

Tie Rod End

ABS Speed
Sensor

Steering Knuckle with Axle Hub

Brake Caliper

Lower Suspension Arm

Hub Bolt

z

Cotter Pin

Lock Cap

z

Cotter Pin

Steering Knuckle

z

Snap Ring

z

Dust Deflector

z

Bearing

z

Cotter Pin

Dust Cover

Axle Hub

Lower Ball Joint

210 (2,150, 155)

107 (1,090, 79)

8.0 (82, 71 in.·lbf)

127 (1,300, 94)

49 (500, 36)

294 (3,000, 217)

123 (1,250, 90)

8.3 (85, 74 in.·lbf)

Disc

–

SUSPENSION AND AXLE

FRONT AXLE HUB

SA–9

LEXUS RX300 (RM785E)

FRONT AXLE HUB

COMPONENTS

SA0QS–05

F14042

F14046

F14047

F14048

SST

SA–10

–

SUSPENSION AND AXLE

FRONT AXLE HUB

LEXUS RX300 (RM785E)

REMOVAL

1.

REMOVE FRONT WHEEL
Torque: 103 N·m (1,050 kgf·cm, 76 ft·lbf)

2.

CHECK BEARING BACKLASH AND AXLE HUB DEVI-
ATION

(a)

Remove the 2 bolts, brake caliper and disc.

(b)

Support the brake caliper securely.

(c)

Using a dial indicator, check the backlash near the center
of the axle hub.
Maximum: 0.05 mm (0.0020 in.)

If the backlash exceeds the maximum, replace the bearing.
(d)

Using a dial indicator, check the deviation at the surface
of the axle hub outside the hub bolt.
Maximum: 0.05 mm (0.0020 in.)

If the deviation exceeds the maximum, replace the bearing.
(e)

Install the disc, brake caliper and 2 bolts.
Torque: 107 N·m (1,090 kgf·cm, 79 ft·lbf)

3.

REMOVE DRIVE SHAFT LOCK NUT

(a)

Remove the cotter pin and lock cap.

(b)

While applying the brakes, remove the nut.
Torque: 294 N·m (3,000 kgf·cm, 217 ft·lbf)

(c)

Remove the 2 bolts, brake caliper and disc.
Torque: 107 N·m (1,090 kgf·cm, 79 ft·lbf)

(d)

Support the brake caliper securely.

4.

REMOVE ABS SPEED SENSOR AND WIRE HARNESS
CLAMP
Torque: 8.0 N·m (82 kgf·cm, 71 in.·lbf)

5.

LOOSEN 2 NUTS ON LOWER SIDE OF SHOCK AB-
SORBER
Torque: 210 N·m (2,150 kgf·cm, 155 ft·lbf)

HINT:
Do not remove the nuts and bolts.

6.

DISCONNECT TIE ROD END FROM STEERING
KNUCKLE

(a)

Remove the cotter pin and nut.
Torque: 49 N·m (500 kgf·cm, 36 ft·lbf)

(b)

Using SST, disconnect the tie rod end from the steering
knuckle.
SST

09610–20012

F14049

–

SUSPENSION AND AXLE

FRONT AXLE HUB

SA–11

LEXUS RX300 (RM785E)

7.

DISCONNECT LOWER BALL JOINT FROM LOWER
SUSPENSION ARM

Remove the 2 nuts and bolt.

Torque: 127 N·m (1,300 kgf·cm, 94 ft·lbf)

8.

REMOVE STEERING KNUCKLE WITH AXLE HUB

(a)

Remove the 2 bolts and nuts on the lower side of the
shock absorber.

HINT:
At the time of installation, coat the nut’s threads with engine oil.
(b)

Remove the steering knuckle with the axle hub.

NOTICE:
Be careful not to damage the boot and ABS speed sensor
rotor.