2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Fig. 49: Removing Front Suspension Upper Arm Assy LH 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
7.INSPECT FRONT SUSPENSION UPPER ARM ASSY LH 
a. As shown in Fig. 50
 , flip the ball joint stud bac

Page 4042 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 50: Inspecting Front Suspension Upper Arm Assy LH 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
8.INSTALL FRONT SUSPENSION UPPER ARM ASSY LH 
a. Install the front suspension upper arm assy LH wi

Page 4043 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 51: Installing Front Suspension Upper Arm Assy LH 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
9.INSTALL STEERING KNUCKLE LH 
a. Install the steering knuckle LH to the upper arm assy with the c

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LEXUS LS430 2003  Factory Repair Manual 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.REMOVE LOWER BALL JOINT ASSY FRONT LH (See LOWER

Page 4045 of 4500

LEXUS LS430 2003  Factory Repair Manual a. Loosen the nut. 
Fig. 53: Loosening Front Suspension Lower Arm Assy LH Nut
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
b. Remove the shock absorber assy lower side bolt and nut.

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LEXUS LS430 2003  Factory Repair Manual Fig. 54: Removing Shock Absorber Assy Lower Side Bolt & Nut 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
c. Place matchmarks on the camber adjust cam and suspension member.

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LEXUS LS430 2003  Factory Repair Manual Fig. 55: Placing Matchmarks On Camber Adjust Cam & Suspension Member 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
d. Remove the nut, camber adjust cam and camber adjust cam bolt.  
e. Remove the 2 b

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LEXUS LS430 2003  Factory Repair Manual Fig. 56: Removing Front Suspension Lower Arm Assy LH Bolts 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
5.REMOVE FRONT LOWER ARM BRACKET 
a. Remove the nut, washer, lower arm bracket and lower arm b