Lexus RX300 (MCU15). Service manual - part 89

AC3AM–01

I06828

LH Cowl Top
Ventilator Louver

RH Cowl Top
Ventilator Louver

Wiper Arm

Wiper Motor

Hood

Hood to Cowl
Top Seal

Wiper Arm

Outer Front Cowl
Top Panel

Instrument Panel

20 (205, 15)

20 (205, 15)

: Specified torque

N·m (kgf·cm, ft·lbf)

7.0 (71, 62 in.·lbf)

7.0 (71, 62 in.·lbf)

AC–24

–

AIR CONDITIONING

AIR CONDITIONER UNIT

LEXUS RX300   (RM785E)

COMPONENTS

I06826

Reinforcement

Liquid Tube

Suction Tube

Water Hose

Lower Defroster Nozzle

Heater to 
Register Center Duct

No. 2 Brace

No. 1 Brace

Air Duct

No. 1 Console 
Box Duct

10 (100, 7)

Blower Unit

Wire Harness

A/C Unit

Air Duct

Air Duct

z O–Ring

z Non–reusable part

: Specified torque

N·m (kgf·cm, ft·lbf)

–

AIR CONDITIONING

AIR CONDITIONER UNIT

AC–25

LEXUS RX300   (RM785E)

I18276

Expansion Valve

Wire Harness

Heater Radiator

z O–Ring

z Non–reusable part

: Specified torque

N·m (kgf·cm, in.·lbf)

RHD model:

Tube Connector

z O–Ring

z Packing

z O–Ring

Evaporator

Insulator

Air Duct

Drain Hose

Blower Motor
Control Relay

Cover

X7

Air Mix Servomotor

Plate

4.1 (42, 36)

4.1 (42, 36)

Bracket

Evaporator
Temperature
Sensor

Bracket Plate

Tube and Accessory

z Packing

Air Outlet Servomotor

AC–26

–

AIR CONDITIONING

AIR CONDITIONER UNIT

LEXUS RX300   (RM785E)

AC3AN–01

I06832

–

AIR CONDITIONING

AIR CONDITIONER UNIT

AC–27

LEXUS RX300   (RM785E)

REMOVAL

1.

DISCHARGE REFRIGERANT FROM REFRIGERATION
SYSTEM

HINT:
At the time of installation, please refer to the following item.
Evacuate air from refrigeration system.
Charge system with refrigerant and inspect for leakage of refrig-
erant.

Specified amount: 650 ± 50 g (22.92 ± 1.76 oz.)

2.

DRAIN ENGINE COOLANT FROM RADIATOR

HINT:
It is not necessary to drain out all coolant.
3.

REMOVE WIPER ARM

4.

REMOVE LH COWL TOP VENTILATOR LOUVER

5.

REMOVE RH COWL TOP VENTILATOR LOUVER

6.

REMOVE WIPER MOTOR (See page BO–58)

7.

REMOVE HOOD

8.

REMOVE OUTER FR COWL TOP PANEL ASSEMBLY

9.

REMOVE INSTRUMENT PANEL AND REINFORCE-
MENT (See page BO–126)

10.

DISCONNECT LIQUID TUBE AND SUCTION HOSE
FROM A/C UNIT

Remove the bolt and slide the plate, then disconnect the both
tubes.

Torque: 10 N·m (100 kgf·cm, 7 ft·lbf)

NOTICE:
Cap the open fittings immediately to keep moisture or dirt
out of the system.
HINT:
At the time of installation, please refer to the following item.
Lubricate 2 new O–rings with compress oil and install them to
the tubes.