LEXUS LS430 2003 Factory Repair Manual

Fig. 59: Installing Front Lower Arm Bushing Stopper Temporarily
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
7.TEMPORARILY TIGHTEN FRONT SUSPENSION LOWER ARM ASSY LH
a. Install the front suspension lower arm assy LH.
b. Temporarily install the 2 bolts.

Fig. 60: Installing Front Suspension Lower Arm Assy LH Bolts Temporarily
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
c. Ali
gn the matchmarks on the camber adjust cam and suspension member.

Fig. 61: Aligning Matchmarks On Camber Adjust Cam & Suspension Member
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. Temporarily install camper adjust cam bolt with the nut.
e. Fully tighten the 2 bolts.
Torque:
Vehicle inside: 60 N.m (612 kgf.cm, 44 ft.lbf)
Vehicle outside: 137 N.m (1,395 kgf.cm, 101 ft.lbf)

Fig. 62: Tightening Front Suspension Lower Arm Assy LH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
f. Install the shock absorber assy.
g. Temporarily install the bolt and nut.

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Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
8.INSTALL HEIGHT CONTROL SENSOR LINK SUB-ASSY FRONT (AIR SUSPENSION)
a. Install the height control sensor link sub-assy front with the nut.
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)

Fig. 64: Installing Height Control Sensor Link Sub-Assy Front (Air Suspension)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
9.INSTALL LOWER BALL JOINT ASSY FRONT LH (See LOWER BALL JOINT ASSY FRONT
LH REPLACEMENT )
10.STABILIZE SUSPENSION (See REPLACEMENT
or REPLACEMENT )
11.FULLY TIGHTEN FRONT SUSPENSION LOWER ARM ASSY LH
a. Fully tighten the nut.
Torque: 137 N.m (1,395 kgf.cm, 101 ft.lbf)

Fig. 65: Tightening Front Suspension Lower Arm Assy LH Nut (1 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Fully tighten the nut.
Torque: 172 N.m (1,755 kgf.cm, 127 ft.lbf)

Fig. 66: Tightening Front Suspension Lower Arm Assy LH Nut (2 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
c. Fully tighten the bolt.
Torque: 157 N.m (1,600 kgf.cm, 116 ft.lbf)

Fig. 67: Tightening Front Suspension Lower Arm Assy LH Bolt
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
12.INSTALL FRONT WHEELS
Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf)
13.ADJUST FRONT WHEEL ALIGNMENT (See ADJUSTMENT
)
14.ADJUST VEHICLE HEIGHT (AIR SUSPENSION) (See ON
-VEHICLE INSPECTION )
15.CHECK ABS SPEED SENSOR SIGNAL (See TEST MODE PROCEDURE
)
REPLACEMENT
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1.REMOVE FRONT WHEELS
2.SEPARATE FRONT STABILIZER LINK ASSY LH (See REPLACEMENT
)

3.SEPARATE SKID CONTROL SENSOR WIRE (See REPLACEMENT )
4.REMOVE DISC BRAKE CYLINDER ASSY LH (See step 8 in OVERHAUL
)
5.REMOVE FRONT DISC (See step 14 in OVERHAUL
)
6.REMOVE FRONT AXLE HUB SUB-ASSY LH (See step 5 in REPLACEMENT
)
7.REMOVE STEERING KNUCKLE LH
a. Remove the clip and castle nut.
b. Using SST, separate the upper ball joint from the steering knuckle LH.
SST 09628-62011
Fig. 68: Removing Steering Knuckle LH

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
8.SEPARATE TIE ROD ASSY LH
a. Remove the clip and castle nut.
b. Using SST, separate the tie rod end.
SST 09628-62011