2003 LEXUS LS430 Factory Repair Manual

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LEXUS LS430 2003  Factory Repair Manual MAXIMUM END GAP:  
MAXIMUM END GAP SPECIFICATIONS 
Fig. 448: Measuring Piston Ring Gap Using Feeler Gauge
 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
If the end gap is greater than the maximum, re

Page 3738 of 4500

LEXUS LS430 2003  Factory Repair Manual 11.INSPECT CONNECTING ROD SUB-ASSY 
a. Using a rod aligner and feeler gauge, check the connecting rod alignment.  
1. Check if it is bent. 
Maximum bend:  
0.05 mm (0.0020 in.) per 100 mm (3.94 in.)

Page 3739 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 450: Checking Twisted 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
12.INSPECT PISTON PIN OIL CLEARANCE 
a. Inspect the piston pin oil clearance.  
1. Using a caliper gauge, measure the inside d

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LEXUS LS430 2003  Factory Repair Manual Fig. 451: Measuring Inside Diameter Of Connecting Rod Bushing Using Caliper Gauge 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
Standard oil clearance:  
0.005 to 0.011 mm (0.0002 to 0.0004 in.)  
Ma

Page 3741 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 452: Pressing Out Bush Using SST 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
14.INSPECT CONNECTING ROD BOLT 
a. Using a vernier caliper, measure the tension portion of the connecting rod bolt.

Page 3742 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 453: Measuring Tension Portion Of Connecting Rod Bolt Using Vernier Caliper 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
15.INSPECT CRANKSHAFT BEARING CAP BOLT 
a. Using a vernier caliper, meas

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LEXUS LS430 2003  Factory Repair Manual Fig. 454: Measuring Tension Portion Diameter Of Main Bearing Cap Bolt Using Vernier Caliper 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
16.INSPECT CRANKSHAFT 
a. Inspect for circle runout. 
1. Plac

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LEXUS LS430 2003  Factory Repair Manual Fig. 455: Measuring Circle Runout At Center Journal Using Dial Indicator 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
b. Inspect the main journals and crank pins.  
1. Using a micrometer, measure th