2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual Fig. 309: Applying Adhesive To Threads Of Mounting Bolt 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
c. Install the front spacer, drive plate and rear spacer on the crankshaft.  
d. Install and unif

Page 3594 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 310: Installing Mounting Bolts 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
If any one of the mounting bolts does not meet the torque specification, replace the mounting bolt. 
e. Mark the moun

Page 3595 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 311: Locating Painted Mark 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
6.INSTALL AUTOMATIC TRANSMISSION ASSY (See REPLACEMENT
 )  
COMPONENTS

Page 3596 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 312: Identifying Cylinder Head Assy Components 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
OVERHAUL 
1.REMOVE VALVE LIFTER 
a. Remove the valve lifter and adjusting shim.  
HINT: 
Arrange the

Page 3597 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 313: Removing Intake Valve Using SST 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HINT: 
Arrange the valves, compression springs, spring seats and spring retainers in the correct order. 
3.REMO

Page 3598 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 314: Removing Compression Spring And Removing Keepers Using SST 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
b. Remove the spring retainer, compression spring, valve and spring seat. 
HINT: 
Ar

Page 3599 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 315: Removing Oil Seal Using Needle-Nose Pliers 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
5.INSPECT CYLINDER HEAD SUB-ASSY 
a. Clean the cylinder head. 
1. Using a gasket scraper, remove all

Page 3600 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 316: Cleaning Cylinder Head 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
2. Usin
g a wire brush, remove all the carbon from the combustion chambers.