Lexus ES300 (1997 year). Manual — part 53

AC0BL–01

N20290

1

2

A

AC–96

–

AIR CONDITIONING

CONDENSER FAN

1653

1997 LEXUS ES300 (RM511U)

CONDENSER FAN

ON–VEHICLE INSPECTION

1.

INSPECT CONDENSER FAN OPERATION

Inspect the fan operation, as shown in the chart below.

Test conditions:

Ignition switch ON

Blower speed control switch position ”HI”

Temperature control dial at ”MAX. COOL”

Install on manifold gauge set”

A/C switch ON

Condition

Fan operation

Engine coolant temperature

83

°

C (181

°

F) or below

Not rotate

Engine coolant temperature

98

°

C (208

°

F) or above

Rotate

Refrigerant pressure is less than

1,520 kPa (15.5 kgf/cm

2

, 220 psi)

Not rotate

Refrigerant pressure is 1,520 kPa

(15.5 kgf/cm

2

, 220 psi) or above

Rotate

If operation is not as specified, proceed to the next inspection.

2.

INSPECT CONDENSER FAN MOTOR OPERATION

(a)

Disconnect the fan connector.

(b)

Connect battery and ammeter.

(c)

Check that the fan rotates smoothly, and then check that
the reading on the ammeter.
Specified amperage: 10.1

±

1.8 A at 20

°

C (68

°

F)

If operation is not as specified, replace the fan motor.
If operation is as specified, check the pressure switch, cooling
fan relays and engine coolant temp. switch.

AC0BM–01

Z19368

Condenser Fan

Upper Radiator Hose

Condenser Fan Connector

Clip

Fan

Fan Shroud

Fan Motor

Non–reusable part

–

AIR CONDITIONING

CONDENSER FAN

AC–97

1654

1997 LEXUS ES300 (RM511U)

COMPONENTS

AC0BN–01

AC–98

–

AIR CONDITIONING

CONDENSER FAN

1655

1997 LEXUS ES300 (RM511U)

REMOVAL

1.

DRAIN ENGINE COOLANT FROM RADIATOR

HINT:
It is not necessary to drain out all the coolant.
2.

DISCONNECT UPPER RADIATOR HOSE FROM RADIATOR

3.

REMOVE CONDENSER FAN

(a)

Disconnect the connector.

(b)

Remove the 3 bolts and fan.

AC0BO–01

I03508

Protrusion

–

AIR CONDITIONING

CONDENSER FAN

AC–99

1656

1997 LEXUS ES300 (RM511U)

DISASSEMBLY

1.

REMOVE FAN

Remove the clip and fan.
NOTICE:
When removing the clip and fan, do not apply too much
force to the motor shaft. And do not scratch the motor
shaft.
HINT:
At the time of installation, please refer to the following item.
Install a new clip from the side opposite the protrusion on the
fan.
2.

REMOVE FAN MOTOR

(a)

Disconnect the lead wire from the fan shroud.

(b)

Remove the 3 screws and fan motor.