Lexus SC300 / Lexus SC400. Manual - part 327

5. 

INSTALL DRIVE BELT IDLER PULLEY
Install the idler pulley and cover plate with the pulley bolt.

Torque: 37 N

⋅

m (380 kgf

⋅

cm, 27 ft

⋅

lbf)

6. 

CONNECT RADIATOR HOSE TO WATER INLET

7. 

INSTALL RH NO.3 TIMING BELT COVER
(a)  Install the three gaskets to the timing belt cover.
(b)  Fit portion A of the timing belt cover, matching it with the

lower high–tension cord cover.

(c)  Install the timing belt cover with the three bolts.

8. 

INSTALL VSV FOR EVAP SYSTEM
Install the VSV with the two bolts.

9. 

INSTALL LH NO.3 TIMING BELT COVER
(a)  Install the three gaskets to the timing belt cover.
(b)  Install the cord grommet to the high–tension cord.
(c)  Install the cord grommet to the timing belt cover.
(d)  Fit portion A of the timing belt cover, matching it with the

lower high–tension cord cover.

(e)  Install the timing belt cover with the four bolts.

10.  INSTALL RH ENGINE WIRE COVER

(a)  Fit portions A and B of the engine wire cover, matching

them with the lower high–tension cord cover and No.3
timing belt cover.

(d)  Install the engine wire cover with the bolt.

–

COOLIING SYSTEM

Electronically Controlled Hydraulic Cooling Fan
(Hydraulic Pump)

CO–43

11.  INSTALL LH ENGINE WIRE COVER

(a)  Connect portions A and B engine wire cover to the wire

brackets.

(b)  Set the VSV (for fuel pressure control system) wire in

original position.

(c)  Fit portions C and D of the engine wire cover, matching

them with the lower high–tension cord cover and No.3
timing belt cover.

(d)  Install the engine wire cover with the two bolts.

12.  INSTALL UPPER HIGH–TENSION CORD COVER

(a)  Fit portion A of the upper high–tension cover, matching

it with the top of the lower high–tension cord cover.

(b)  Push the front side of the high–tension cord cover, and

connect the front side claw groove of the upper
high–tension cord cover to the claw of the lower
high–tension cord cover.

(c)  Install the upper high–tension cord cover with the two

bolts.

13.  INSTALL INTAKE AIR CONNECTOR

(a)  Connect the end portions of the intake air connector to

the throttle body and air cleaner hose.

(b)  Tighten the two hose clamps.
(c)  Install the bolt holding the intake air connector to the

cylinder head cover.

(d)  Connect the following hoses:

(1)

Air hose to ISC valve

(2)

Air hose (from PS air control valve) to intake air con-
nector

CO–44

–

COOLIING SYSTEM

Electronically Controlled Hydraulic Cooling Fan
(Hydraulic Pump)

14. INSTALL IGNITION COIL

(a)  Install the ignition coil with the two bolts.

(b)  Connect the following connectors and cord:

(1)

Ignition coil connector

(2)

Noise filter connector

(3)

High–tension cord

15.  INSTALL A/C COMPRESSOR

(a) Install 

the A/C compressor, 

compressor 

stay 

and

ground cable with the three bolts and nut.

Torque: Bolt 49 N

⋅

m (500 kgf

⋅

cm, 36 ft

⋅

lbf)

Nut 29 N

⋅

m (300 kgf

⋅

cm, 22 ft

⋅

lbf)

(b)  Connect the A/C compressor connector.

16.  INSTALL DRIVE BELT

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

17.  CONNECT RADIATOR HOSE TO WATER INLET

–

COOLIING SYSTEM

Electronically Controlled Hydraulic Cooling Fan
(Hydraulic Pump)

CO–45

18. INSTALL 

BATTERY

19.  FILL ENGINE WITH COOLANT (See page 

CO–7

)

20.  FILL COOLING FAN RESERVOIR TANK WITH FLUID

(See pages 

CO–23

 and 24)

21.  START ENGINE AND CHECK FOR LEAKS
22.  INSTALL ENGINE UNDER COVER

CO–46

–

COOLIING SYSTEM

Electronically Controlled Hydraulic Cooling Fan
(Hydraulic Pump)