2003 LEXUS LS430 Factory Repair Manual

Page 1009 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 42: Locating Set Screw 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
6.REMOVE MASTER CYLINDER RESERVOIR GROMMET  
7.REMOVE BRAKE MASTER CYLINDER STRAIGHT PIN 
a. Push in the piston by hand and r

Page 1010 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 43: Removing Master Cylinder Straight Pin 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
8.REMOVE BRAKE MASTER CYLINDER KIT 
a. Place the brake master cylinder sub-assy in a vise. 
b. Push in the

Page 1011 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 44: Removing Snap Ring With Snap Ring Pliers 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
d. Place a shop rag and 2 wooden blocks on the work table, and lightly tap the cylinder flange against

Page 1012 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 45: Removing No.2 Piston From Cylinder 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
9.INSTALL BRAKE MASTER CYLINDER KIT 
a. Place the brake master cylinder sub-assy in a vise.  
b. Apply lithiu

Page 1013 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 46: Inserting No.2 Piston Sub-Assy 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
e. Push in the piston by hand and install the snap ring using snap ring pliers.  
f. Apply lithium soap base glyc

Page 1014 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 47: Installing Snap Ring 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
10.INSTALL MASTER CYLINDER RESERVOIR GROMMET 
a. Apply lithium soap base glycol grease to the 2 master cylinder reservoir g

Page 1015 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 48: Applying Chalk To Flat Surfaced Tip Of SST Pin 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
d. Turn SST upside down and place it on brake booster assy. Measure the clearance between the bra

Page 1016 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 49: Measuring Clearance Between Brake Booster Assy And SST (1 Of 2) 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HINT: 
If there is a clearance between the SST main body and the shell of the br