Lexus ES300 (1997 year). Service manual — part 301

S04607

O–Ring

Non–reusable part

Upper Tank

Cushion

Core

Oil Cooler

Lower Tank

Inlet Pipe

Plate Washer

Nut

O–Ring

O–Ring

CO–16

–

COOLING

RADIATOR

933

1997 LEXUS ES300 (RM511U)

CO02X–03

S04725

S04733

Lower
Hose

Oil
Cooler
Hose

–

COOLING

RADIATOR

CO–17

934

1997 LEXUS ES300 (RM511U)

REMOVAL

HINT:

At the time of installation, please refer to the following
items.

Start the engine, and check for coolant and A/T fluid
leaks.

Check the A/T fluid level.
(See page

DI–150

)

1.

DRAIN ENGINE COOLANT

2.

CANADA:
DISCONNECT RELAY BLOCK (FOR DAYTIME
RUNNING LIGHT SYSTEM) FROM BATTERY
HOLD–DOWN CLAMP

3.

DISCONNECT UPPER RADIATOR HOSE FROM
RADIATOR

4.

DISCONNECT LOWER RADIATOR HOSE FROM
WATER INLET PIPE

5.

DISCONNECT A/T OIL COOLER HOSES FROM OIL
COOLER PIPES

6.

DISCONNECT NO.1 AND NO.2 COOLING FAN
CONNECTORS

7.

DISCONNECT NO.1 ECT SWITCH WIRE CONNECTOR

8.

REMOVE RADIATOR AND COOLING FANS
ASSEMBLY

(a)

Remove the 2 bolts and 2 upper supports.
Torque: 12.8 N·m (130 kgf·cm, 9 ft·lbf)

(b)

Lift out the radiator, and remove the radiator and cooling
fans assembly.

(c)

Remove the 2 lower supports.

9.

REMOVE A/T OIL COOLER HOSES FROM
RADIATOR

10.

REMOVE LOWER RADIATOR HOSE FROM
RADIATOR

S04588

S04732

No.1

No.2

CO–18

–

COOLING

RADIATOR

935

1997 LEXUS ES300 (RM511U)

11.

REMOVE NO.1 ECT SWITCH

12.

REMOVE NO.1 COOLING FAN FROM RADIATOR

Remove the 2 bolts and cooling fan.

Torque: 5.0 N·m (50 kgf·cm, 44 in.·lbf)

13.

REMOVE NO.2 COOLING FAN FROM RADIATOR

Remove the 3 bolts and cooling fan.

Torque: 5.0 N·m (50 kgf·cm, 44 in.·lbf)

CO02Y–01

CO1205

Dimension ”B”

Part ”A”

Stopper Bolt

SST

Claw

Overhaul Handle

S04737

Tank

SST

Lock Plate

Stopper Bolt

S04738

Tap

S04434

–

COOLING

RADIATOR

CO–19

936

1997 LEXUS ES300 (RM511U)

DISASSEMBLY

1.

REMOVE CUSHION FROM RADIATOR

2.

ASSEMBLE SST
SST

09230–01010

(a)

Install the claw to the overhaul handle, inserting it in the
hole in part ”A” as shown in the diagram.

(b)

While gripping the handle, adjust the stopper bolt so that
dimension ”B” shown in the diagram is 0.2 – 0.5 mm
(0.008 – 0.020 in.).

NOTICE:
If this adjustment is not done, the claw may be damaged.

3.

UNCAULK LOCK PLATES

Using SST to release the caulking, squeeze the handle until
stopped by the stopper bolt.

SST

09230–01010

4.

REMOVE TANKS AND O–RINGS

(a)

Lightly tap the bracket of the radiator (or radiator hose in-
let or outlet) with a soft–faced hammer and remove the
tank.

(b)

Remove the O–ring.

5.

REMOVE OIL COOLER FROM LOWER TANK

(a)

Remove the pipe.

(b)

Remove the nuts and plate washers.

(c)

Remove the oil cooler and O–rings.