Lexus SC300 / Lexus SC400. Service manual — part 330
![](/vehicle/tus/kendre/chaul/zerous.png)
7.
INSTALL DRIVE SHAFT PRELOAD
(a) Check that the drive shaft rotates smoothly without
abnormal noise.
(b) Temporarily install the pulley nut, and check the rotating
torque.
Rotating torque:
0.3 N
⋅
m (3.0 kgf
⋅
cm, 2.6 in.
⋅
lbf)
INSTALLATION OF HYDRAULIC MOTOR
(See Components on page
1.
INSTALL HYDRAULIC MOTOR TO FAN SHROULD
Install the hydraulic motor with the three bolts.
Torque: 4.9 N
⋅
m (50 kgf
⋅
cm, 43 in.
⋅
lbf)
2.
INSTALL COOLING FAN TO HYDRAULIC MOTOR
Install the fan with the plate washer bolt.
Tighten the nut by turning it counterclockwise.
Torque: 15 N
⋅
m (150 kgf
⋅
cm, 11 ft
⋅
lbf)
3. INSTALL
RADIATOR
FAN
SHROULD
(a) Place the fan shrould on the radiator.
(b) Slightly
lift the fan shrould, and connect the two oil cooler
hoses (for cooling fan) to the hose clamp on the fan
shrould.
(c) Install the fan shrould with the four bolts.
Torque: 4.9 N
⋅
m (50 kgf
⋅
cm, 43 in.
⋅
lbf)
–
COOLIING SYSTEM
Electronically Controlled Hydraulic Cooling Fan
(Hydraulic Motor)
CO–55
![](/vehicle/tus/kendre/chaul/emmes.png)
(d) Install the wire clamp to the fan shrould.
4. INSTALL COOLING FAN RESERVOIR TANK TO FAN
SHROULD
(a) Install the reservoir tank with the four bolts.
Torque: 4.9 N
⋅
m (50 kgf
⋅
cm, 43 in.
⋅
lbf)
(b) Install the suction hose to the clamp on the fan shrould.
5.
INSTALL COOLING FAN INLET PIPE TO FAN SHROULD
Install the inlet pipe with the two bushings, brackets and
bolts.
Torque: 4.9 N
⋅
m (50 kgf
⋅
cm, 43 in.
⋅
lbf)
6. CONNECT
HOSES
Connect the following hoses:
(1) Pressure
hose
to
hydraulic
motor
Connect the
pressure hose with a new gasket and union bolt.
Torque: 64 N
⋅
m (650 kgf
⋅
cm, 47 ft
⋅
lbf)
(2) Return hose to hydraulic motor.
(3) Upper radiator hose to radiator.
CO–56
–
COOLIING SYSTEM
Electronically Controlled Hydraulic Cooling Fan
(Hydraulic Motor)
![](/vehicle/tus/kendre/chaul/qial.png)
7. INSTALL
RADIATOR
RESERVOIR
TANK
(a) Install the reservoir tank to the reservoir tank bracket.
(b) Install the reservoir tank bracket with two 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.
8. INSTALL
BATTERY
9.
FILL ENGINE WITH COOLANT (See page
10. FILL COOLING FAN RESERVOIR TANK WITH FLUID
(See pages
and 24)
11. START ENGINE AND CHECK FOR LEAKS
12. INSTALL ENGINE UNDER COVER
–
COOLIING SYSTEM
Electronically Controlled Hydraulic Cooling Fan
(Hydraulic Motor)
CO–57
![](/vehicle/tus/kendre/chaul/enkoubu.png)
Oil Cooler
COMPONENTS FOR REMOVAL AND
INSTALLATION
REMOVAL OF OIL COOLER
1.
REMOVE FENDER LINER
2.
DISCONNECT PS OIL COOLER
Remove the two bolts, and disconnect the PS oil cooler from
cooling fan oil cooler.
3.
DISCONNECT HOSES FROM OIL COOLER
Disconnect the following hoses:
(1) Inlet hose (from reservoir tank)
(2) Outlet hose (from hydraulic motor)
CO–58
–
COOLIING SYSTEM
Electronically Controlled Hydraulic
Cooling Fan (Oil Cooler)
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