Lexus SC300 / Lexus SC400. Manual - part 708

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)

Hydraulic Motor

COMPONENTS FOR REMOVAL AND
INSTALLATION

–

COOLIING SYSTEM

Electronically Controlled Hydraulic Cooling Fan
(Hydraulic Motor)

CO–47

REMOVAL OF HYDRAULIC MOTOR

(See Components on page 

CO–47

)

1. REMOVE 

BATTERY

CAUTION: Work must be started after approx. 20 se-
conds or longer from the time the ignition switch is
turned to the ”LOCK” position and the negative (–) termi-
nal cable is disconnected from the battery.

2. 

REMOVE ENGINE UNDER COVERS

3. 

DRAIN ENGINE COOLANT (See page 

CO–6

)

4. REMOVE 

RADIATOR 

RESERVOIR 

TANK

(a)  Disconnect the coolant level sensor connector.
(b)  Disconnect the following hoses:

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

(c)  Remove the two bolts and reservoir tank bracket.
(d)  Disconnect the reservoir tank from the reservoir tank

bracket, and remove the reservoir tank.

5. DISCONNECT 

HOSES

Disconnect the following hoses:

(1)  Upper radiator hose from radiator

(2)

Pressure hose from hydraulic motor

(3)

Return hose from hydraulic motor

CO–48

–

COOLIING SYSTEM

Electronically Controlled Hydraulic Cooling Fan
(Hydraulic Motor)