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Home >> Lexus >> 2003 >> SC 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Service and Repair >> Removal and Installation >> Part 2

Part 2

REPLACEMENT





33. INSTALL ENGINE MOUNTING BRACKET FRONT NO.1 RH
a. Install the mounting bracket with the 4 bolts
Torque: 36 Nm (370 kgf-cm, 27 ft. lbs.)

HINT: The RH mounting bracket is marked with "R".

34. INSTALL WIRING HARNESS HEAT INSULATOR NO.2





35. INSTALL EXHAUST MANIFOLD SUB-ASSY LH
a. Place a new gasket on the cylinder head with the white mark facing the manifold side.

NOTICE: Be careful of the installation direction.

b. Install the exhaust manifold with 8 new nuts Uniformly tighten the nuts in several passes
Torque: 44 Nm (450 kgf-cm, 32 ft. lbs.)
36. INSTALL EXHAUST MANIFOLD HEAT INSULATOR NO.2





37. INSTALL EXHAUST MANIFOLD SUB-ASSY RH
a. Place a new gasket on the cylinder head with the white mark facing the manifold side.

NOTICE: Be careful of the installation direction.

b. Install the exhaust manifold with 8 new nuts. Uniformly tighten the nuts in several passes
Torque: 44 Nm (450 kgf-cm, 32 ft. lbs.)
38. INSTALL EXHAUST MANIFOLD HEAT INSULATOR NO.1
39. INSTALL ENGINE WIRE
40. INSTALL ENGINE OIL LEVEL SENSOR
41. INSTALL CRANKSHAFT POSITION SENSOR
42. INSTALL OIL FILTER BRACKET SUB-ASSY
Torque: 18 Nm (185 kgf-cm, 13 ft. lbs)
43. INSTALL IGNITION COIL ASSY
Torque: 7.5 Nm (80 kgf-cm, 66 inch lbs.)
44. INSTALL ENGINE HANGER NO.2
Torque: 37 Nm (380 kgf-cm, 27 ft. lbs.)
45. INSTALL ENGINE HANGER NO. 1
Torque: 37 Nm (380 kgf-cm, 27 ft. lbs.)
46. INSTALL KNOCK SENSOR
Torque: 44 Nm (450 kgf-cm, 33 ft. lbs.)
47. INSTALL VVT SENSOR
48. INSTALL CAMSHAFT POSITION SENSOR
Torque: 7.5 Nm (80 kgf-cm, 66 inch lbs.)
49. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSY (RH BANK)
50. INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSY (LH BANK)
51. INSTALL OIL LEVEL GAGE GUIDE
52. INSTALL WATER BY-PASS PIPE SUB-ASSY
a. Install a new O-ring to the water by-pass pipe
b. Apply soapy water to the O-ring
c. Push in the water by-pass pipe end into the pipe hole of the water pump
d. Install the water by-pass pipe with the bolt
Torque: 18 Nm (185 kgf-cm, 13 ft. lbs.)
e. Install the wire clamp to the bracket of the water by-pass pipe.
53. INSTALL WATER BY-PASS JOINT RR
a. Install 2 new gaskets and the water by-pass joint with the 4 nuts. Alternately tighten the nuts.
Torque: 18 Nm (185 kgf-cm, 13 ft. lbs.)
54. INSTALL WATER BY-PASS JOINT FR
a. Install 2 new gaskets and the water by-pass joint with the 4 nuts. Alternately tighten the nuts.
Torque: 18 Nm (185 kgf-cm, 13 ft. lbs.)
b. Connect the ECT sensor connector.
55. INSTALL WATER INLET HOUSING
56. INSTALL TIMING CHAIN OR BELT COVER NO.2
a. Install the gasket to the timing belt cover.
b. Install the timing belt cover with the cap nut and 3 bolts.
c. Connect the 2 PS air hoses to the clamp on the timing belt cover.





57. INSTALL TIMING BELT COVER SUB-ASSY NO.3 LH
a. Install the gasket to the timing belt cover.
b. Run the camshaft position sensor wire through the timing belt cover hole.
c. Install the timing belt cover with the 4 bolts.
d. Install the wire grommet to the timing belt cover.
e. Install the sensor connector to the sensor holder.
f. Connect the sensor connector.
g. Install the sensor wire to the wire clamp on the timing belt cover.
h. Install the engine wire to the 2 wire clamps on the timing belt cover.
i. Connect the 2 water by-pass hoses to the water by-pass pipe No.3.
j. Install the No 3 water by-pass pipe to the timing belt cover.
58. INSTALL GENERATOR ASSY
59. INSTALL STARTER ASSY
60. INSTALL INTAKE MANIFOLD ASSY

Intake Manifold Gaskets:





a. Place 2 new gaskets on the cylinder heads with the white mark facing outward.

NOTICE: Be careful of the installation direction.

Torque Sequence:





b. Install the intake manifold assy with the 6 bolts and 4 nuts.
Torque: 18 Nm (185 kgf-cm, 13 ft. lbs.)
c. Connect the 8 injector connectors.





d. Install the engine wire protector (rear side) with the 2 bolts.
e. Install the engine wire protector (LH side) with the 4 bolts.
f. Install the 2 wire clamps on the engine wire (RH side) to the brackets on the RH delivery pipe.
g. Install the V-bank cover fastener with bolt.
h. Install the V-bank cover bracket No. 1 with bolt.





i. Connect the VSV connector for ACIS.





j. Install the V-bank cover bracket No. 3 with bolt.
k. Install the V-bank cover bracket No. 2 with bolt.
l. Connect the VSV for EVAP to the intake manifold with the bolt.
m. Connect the EVAP hose to the VSV for EVAP.
n. Connect the VSV connector for EVAP.
61. INSTALL THROTTLE BODY ASSY
62. REMOVE ENGINE STAND

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