Lexus RX300 (MCU15). Service manual - part 88

AC1MJ–01

AC–20

–

AIR CONDITIONING

REFRIGERANT LINE

LEXUS RX300   (RM785E)

REFRIGERANT LINE

ON–VEHICLE INSPECTION

1.

INSPECTION HOSE AND TUBE CONNECTIONS FOR LOOSENESS

2.

INSPECT HOSES AND TUBES FOR LEAKAGE

Using a gas leak detector, check for leakage of refrigerant.

AC3AK–01

I19408

Liquid Tube

Suction Tube

Discharge Hose

Suction Hose

10 (100, 7)

32 (330, 24)

10 (100, 7)

N·m (kgf·cm, ft·lbf) : Specified torque

–

AIR CONDITIONING

REFRIGERANT LINE

AC–21

LEXUS RX300   (RM785E)

LOCATION

AC1ML–01

AC–22

–

AIR CONDITIONING

REFRIGERANT LINE

LEXUS RX300   (RM785E)

REPLACEMENT

1.

DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM

2.

REPLACE FAULTY TUBE OR HOSE

NOTICE:
Cap the open fittings immediately to keep moisture or dirt out of the system.
3.

TIGHTEN JOINT OF BOLT OR NUT TO SPECIFIED TORQUE

NOTICE:
Connections should not be torqued tighter than the specified torqued.

Part tightened

N·m

kgf·cm

ft·lbf

Condenser x Discharge hose

10

100

7

Condenser x Liquid tube

10

100

7

Compressor x Discharge hose

10

100

7

Compressor x Suction hose

10

100

7

A/C unit x Liquid and suction tube

10

100

7

Suction line (Piping joint)

32

330

24

4.

EVACUATE AIR FROM REFRIGERATION SYSTEM AND CHARGE WITH REFRIGERANT
Specified amount: 650 ± 50 g (22.92 ± 1.76 oz.)

5.

INSPECT FOR LEAKAGE OF REFRIGERANT

Using a gas leak detector, check for leakage of refrigerant.
6.

INSPECT AIR CONDITIONING OPERATION

AC3AL–01

–

AIR CONDITIONING

AIR CONDITIONER UNIT

AC–23

LEXUS RX300   (RM785E)

AIR CONDITIONER UNIT

ON–VEHICLE INSPECTION

INSPECT EVAPORATOR AND FITTINGS FOR LEAKAGE OF REFRIGERANT
Using a gas leak detector, check for leakage of refrigerant.
If there is leakage, check the tightening torque at the joints or check the evaporator.