Lexus SC300 / Lexus SC400. Manual - part 701

(4) Pressure hose from hydraulic motor
(5) Return hose from hydraulic motor

6.  DISCONNECT COOLING FAN INLET PIPE FROM FAN

SHROULD
Remove the two bolts, brackets and bushings, and discon-
nect the inlet pipe.

7. 

DISCONNECT COOLING FAN RESERVOIR TANK FROM
FAN SHROULD
(a)  Disconnect the suction hose from the clamp on the fan

shrould.

(b)  Remove the four bolts, and disconnect the reservoir

tank.

8. DISCONNECT WATER TEMPERATURE SENSOR

CONNECTOR
(a)  Disconnect the water temperature sensor connector.
(b)  Disconnect the wire clamp from the radiator fan shrould.

9. REMOVE 

RADIATOR

(a) Remove the two bolts, screw and upper radiator

support. Remove the two upper radiator supports.

–

COOLIING SYSTEM

Radiator

CO–17

(b)  Slightly lift the radiator, and disconnect the two oil cooler

hoses (for cooling fan) from the hose clamp on the
radiator fan shrould.

(c)  Remove the radiator.
(d)  Remove the two lower radiator supports.

10.  REMOVE FAN SHROULD FROM RADIATOR

Remove the four bolts and fan shrould.

INSTALLATION OF RADIATOR

(See Components on page 

CO–15

)

1. 

INSTALL FAN SHROULD TO RADIATOR
Install the fan shrould with the four bolts.

Torque: 4.9 N

⋅

m (50 kgf

⋅

cm, 43 in.

⋅

lbf)

2. INSTALL 

RADIATOR

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

(b)  Place the radiator on the body bracket.
(c)  Slightly lift the radiator, and connect the two oil cooler

hoses (for cooling fan) to the hose clamp on the radiator
fan shrould.

CO–18

–

COOLIING SYSTEM

Radiator

(d)  Install the upper radiator support with the two bolts and

screw. Install the two upper radiator supports.

Torque: 12 N

⋅

m (120 kgf

⋅

cm, 9 ft

⋅

lbf)

3. CONNECT WATER TEMPERATURE SENSOR

CONNECTOR
(a)  Connect the water temperature sensor connector.
(b)  Install the wire clamp to the radiator 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 pres-

sure hose with a new gasket and union bolt.

Torque: 64 N

⋅

m (650 kgf

⋅

cm, 47 ft

⋅

lbf)

(2) Return hose to hydraulic motor

–

COOLIING SYSTEM

Radiator

CO–19

(3) Two oil cooler hoses (for A/T) to radiator.
(4) Lower radiator hose to radiator

(5) Upper radiator hose to radiator

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

CO–20

–

COOLIING SYSTEM

Radiator