2003 LEXUS LS430 Factory Repair Manual

Page 3337 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 57: Identifying White Mark 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
b. Install the exhaust manifold with 8 new nuts. Uniformly tighten the nuts in several passes.  
Torque: 44 N.m (449 kgf.

Page 3338 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 58: Installing Exhaust Manifold 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
85.INSTALL EXHAUST MANIFOLD HEAT INSULATOR NO.1  
86.INSTALL ENGINE OIL LEVEL SENSOR  
87.INSTALL CRANKSHAFT POSITIO

Page 3339 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 59: Identifying Knock Sensor 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
93.INSTALL VVT SENSOR  
94.INSTALL CAMSHAFT POSITION SENSOR 
Torque: 7.5 N.m (77 kgf.cm, 66 in.lbf)  
95.INSTALL CAMSHA

Page 3340 of 4500

LEXUS LS430 2003  Factory Repair Manual b. Apply soapy water to the O-ring.  
c. Push in the water bypass pipe end into the pipe hole of the water pump.  
d. Install the water bypass pipe with the bolt. 
Torque: 18 N.m (184 kgf.cm, 13 ft.lb

Page 3341 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 61: Installing Water By-Pass Joint FR 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
100.INSTALL WATER INLET HOUSING 
a. Install a new O-ring to the inlet housing.  
b. Apply soapy water on the O

Page 3342 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 62: Identifying Seal Packing 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
101.INSTALL GENERATOR ASSY (See REPLACEMENT
 )  
102.INSTALL STARTER ASSY (See REPLACEMENT
 )  
103.INSTALL INTAKE MANI

Page 3343 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 63: Installing Gaskets 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
b. Install the intake manifold assy with the 6 bolts and 4 nuts. 
Torque: 18 N.m (184 kgf.cm, 13 ft.lbf)  
c. Connect the 8 i

Page 3344 of 4500

LEXUS LS430 2003  Factory Repair Manual Fig. 64: Installing Intake Manifold Assy 
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. 
d. Install the engine wire protector (rear side) with the 2 bolts.  
e. Install the engine wire protector (LH si