2003 LEXUS LS430 Factory Repair Manual

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Page 3369 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 88: Checking Timing Marks Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 3. Using the crankshaft damper bolt, turn the crankshaft counterclockwise by approximately 50°. c. Alternatel y loosen

Page 3370 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 89: Turning Crankshaft Counterclockwise Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. d. Using SST, loosen the tension between the camshaft timing pulley (RH bank) and crankshaft timing pulley

Page 3371 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 90: Turning Camshaft Timing Pulley Counterclockwise Using SST Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 16.INSPECT TIMING BELT If there are any defects, as shown in the illustrations, check

Page 3372 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 91: Checking Timing Belt Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. c. If there is noticeable wear or cracks on the belt face, check to see if there are nicks on the side of the idler pulley

Page 3373 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 92: Identifying Seal Portion Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. b. Hold the tensioner with both hands and push the push rod strongly as shown to check that it does not move. If the

Page 3374 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 93: Pushing Push Rod Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. c. Measure the protrusion of the push rod from the housing end. Protrusion: 9.5 to 10.5 mm (0.374 to 0.413 in.) If the prot

Page 3375 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 94: Measuring Protrusion Of Push Rod From Housing End Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 18.REMOVE TIMING BELT IDLER SUB-ASSY NO.1 a. Using a 10 mm hexagon wrench, remove the bolt, i

Page 3376 of 4500

LEXUS LS430 2003 Factory Repair Manual Fig. 95: Checking Seal Portion Of Idler For Oil Leakage Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 21.REMOVE CRANKSHAFT TIMING PULLEY a. Using SST, remove the timing pulley. SST 09950-50013 (099
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