2003 LEXUS LS430 Factory Repair Manual

Page 3425 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 144: Tightening Cylinder Head Bolt 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
a. Set the crankshaft position. 
1. Using the crankshaft damper bolt, turn the crankshaft, and set the set key of

Page 3426 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 145: Turning Crankshaft And Setting Set Key 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
b. Install the camshafts of the RH bank. 
1. Apply MP grease to the thrust portion of the camshafts.  
2

Page 3427 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 146: Aligning Timing Marks Of Camshaft Drive And Driven Main Gears 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
4. Apply seal packing to the camshaft housing plug. 
Remove the old packing (FIPG

Page 3428 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 147: Applying Seal Packing To Housing Plug 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
5. Install the camshaft housing plug to the cylinder head as shown in the illustration.  
6. Install the

Page 3429 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 148: Installing Camshaft Housing Plug 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
7. Apply seal packing to the front bearing cap. 
Remove any old packing (FIPG) material and be careful not to

Page 3430 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 149: Applying Seal Packing To Front Bearing Cap 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
Using a non-residue solvent, clean both sealing surfaces.  
Apply seal packing to the bearing cap as

Page 3431 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 150: Identifying Front Bearing Cap 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
10. Push in the camshaft settin
g oil seal.

Page 3432 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 151: Pushing Camshaft Setting Oil Seal 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
11. Install a new seal washer to the bearing cap bolts (A and B).  
12. Apply a light coat of engine oil on t