2003 LEXUS LS430 Factory Repair Manual

Page 3625 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 340: Taping Out Guide Bush Using SST And Hammer 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
b. Using SST and a hammer, tap out the guide bush.  
SST 09201-01055, 09950-70010 (09951-07100)

Page 3626 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 341: Heating Cylinder Head 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
12.REMOVE EXHAUST VALVE GUIDE BUSH 
a. Gradually heat the cylinder head to approximately 80 to 100° C (176 to 212° F).

Page 3627 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 342: Taping Out Guide Bush Using SST And Hammer 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
b. Using SST and a hammer, tap out the guide bush.  
SST 09201-01055, 09950-70010 (09951-07100)

Page 3628 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 343: Measuring Bush Bore Diameter Of Cylinder Head Using Caliper Gauge 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
13.INSTALL INTAKE VALVE GUIDE BUSH 
a. Using a caliper gauge, measure the bus

Page 3629 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 344: Measuring Intake And Exhaust Dimension 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
HINT: 
Different the bushes are used for the intake and exhaust. 
Bush length: 34.5 mm (1.358 in.)

Page 3630 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 345: Taping Guide Bush Using SST And Hammer 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
c. Gradually heat the cylinder head to approximately 80 to 100° C (176 to 212° F).  
d. Using SST and

Page 3631 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 346: Identifying Specification Clearance Using Reamer 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
e. Using a sharp 5.5 mm reamer, ream the guide bush to obtain the standard specified clearance

Page 3632 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 347: Measuring Bush Bore Diameter Of Cylinder Head Using Caliper 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
14.INSTALL EXHAUST VALVE GUIDE BUSH 
a. Using a caliper gauge, measure the bush bor