Lexus SC300 / Lexus SC400. Manual — part 394

20. INSTALL POWER STEERING (PS) SOLENOID VALVE

CONNECTOR

21. CONNECT ENGINE WIRE CONNECTORS
22. CONNECT THEFT DETERRENT HORN CONNECTOR
23. INSTALL GROUND CABLE TO BODY

24. CONNECT IGNITER CONNECTORS
(a) Connect the 2 igniter connectors

HINT: Connect the yellow taped connector to the igniter on
the rear side.

(b) Install the wire clamp.

25. INSTALL

RADIATOR

ASSEMBLY

(a) Install the 2 lower radiator supports to the radiator.

(b) Place the radiator assembly on the body bracket.
(c) Slightly

lift the radiator, and connect the 2 oil cooler hoses (for

cooling fan) to the hose clamp on the radiator fan shroud.

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1UZ–FE ENGINE

ENGINE MECHANICAL

EG–199

(d) Install the upper radiator support with the 2 bolts and screw.

Install the 2 upper radiator supports.

Torque: 12 N

⋅

m (120 kgf

⋅

cm, 9 ft

⋅

lbf)

(e) Connect the following hoses:

(1) 2 oil cooler hoses (for cooling fan) to pipes

(2) 2 radiator hoses

(3) 2 oil cooler hoses (for transmission) to radiator

(4) Suction hose to hydraulic pump
(5) Pressure hose to hydraulic pump

EG–200

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1UZ–FE ENGINE

ENGINE MECHANICAL

(f) Connect the ECT sensor connector (for cooling fan).
(g) Install the ECT sensor wire clamp to the radiator fan shroud.

26. INSTALL

RADIATOR RESERVOIR TANK

(a) Install the reservoir tank to the reservoir tank bracket.
(b) Install the reservoir tank with the bracket and 3 bolts.

Torque: 4.9 N.m (50 kgf

⋅

cm, 43 in.

⋅

lbf)

(c) Connect the following hoses:

(1) Reservoir hose to water inlet housing
(2) Reservoir hose to radiator

(d) Connect the coolant level sensor connector.

27. INSTALL INTAKE AIR CONNECTOR
(a) Connect the intake air connector to the throttle body.
(b) Install the hose clamp and bolt.

(c) Connect the following hoses to the intake air connector:

(1) Air hose (from IAC valve)
(2) Air hose (from air control valve on PS pump)

28. CONNECT VACUUM HOSE (A) (FROM PS AIR CONTROL

VALVE) TO AIR INTAKE CHAMBER

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1UZ–FE ENGINE

ENGINE MECHANICAL

EG–201

29. INSTALL AIR CLEANER
(a) Connect the air cleaner case to the air duct.
(b) Connect the air cleaner hose to the intake air connector.
(c) Install the air cleaner with the 3 bolts.
(d) Tighten the hose clamp bolt holding the air cleaner hose to

the intake air connector.

(e) Connect the VAF meter connector.

30. CONNECT CONTROL CABLES TO THROTTLE BODY

Connect the following cables:
(1) Accelerator

cable

(2) Transmission throttle control cable
(3) Cruise control actuator cable

31. INSTALL THROTTLE BODY COVER
(a) Install the throttle body cover and hose clamp with the cap nut

and 2 bolts.

(b) Install the EVAP hose to the hose clamp.

32. INSTALL DRIVE BELT

Install the drive belt by turning the drive belt tensioner coun-
terclockwise.
HINT: The pulley bolt for the dive belt tensioner has a left–
hand thread.

33. INSTALL

BATTERY

EG–202

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ENGINE MECHANICAL