Lexus RX300 (MCU15). Service manual - part 94

AC1N0–01

I06855

Generator

Discharge Hose

Suction Hose

Engine Under Cover

Pressure Plate

Shim

z Snap Ring

Rotor

Stator

Compressor

Drive Belt Adjusting 
Bar Bracket

Drive Belt

56 (570, 41)

18 (185, 13)

25 (250, 18)

25 (250, 18)

10 (100, 7)

13.2 (135, 9)

10 (100, 7)

z O–Ring

z O–Ring

25 (250, 18)

25 (250, 18)

Compressor

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

z Non reusable part

AC–44

–

AIR CONDITIONING

COMPRESSOR AND MAGNETIC CLUTCH

LEXUS RX300   (RM785E)

COMPONENTS

AC1N1–01

I06851

P19978

N20259

–

AIR CONDITIONING

COMPRESSOR AND MAGNETIC CLUTCH

AC–45

LEXUS RX300   (RM785E)

REMOVAL

1.

RUN ENGINE AT IDLE SPEED WITH A/C ON FOR
APPROX. 10 MINUTES

2.

STOP ENGINE

3.

DISCONNECT NEGATIVE (–) TERMINAL CABLE
FROM BATTERY

4.

DISCHARGE REFRIGERANT FROM REFRIGERATION
SYSTEM

5.

REMOVE DRIVE BELT
(See page AC–16)

6.

DISCONNECT DISCHARGE AND SUCTION HOSES

Remove the bolt, nut and disconnect the both hoses.
NOTICE:
Cap the open fittings immediately to keep moisture or dirt
out of the system.

7.

REMOVE GENERATOR

(a)

Disconnect the generator connector.

(b)

Remove the nut, and disconnect the generator wire.

(c)

Disconnect the wire harness from the clamp.

(d)

Remove the pivot bolt, adjusting lock bolt and generator.

8.

REMOVE COMPRESSOR

(a)

Disconnect the connector.

(b)

Disconnect the wire harness clamp.

(c)

Remove the 2 bolts, nut and drive belt adjusting bar
bracket.

N20241

AC–46

–

AIR CONDITIONING

COMPRESSOR AND MAGNETIC CLUTCH

LEXUS RX300   (RM785E)

(d)

Remove the 3 bolts and compressor.

AC1N2–01

AC0943

SST

AC0944

SST

AC0945

SST

AC0946

Shim

Pressure
Plate

AC0947

SST

–

AIR CONDITIONING

COMPRESSOR AND MAGNETIC CLUTCH

AC–47

LEXUS RX300   (RM785E)

DISASSEMBLY

1.

REMOVE PRESSURE PLATE

(a)

Using SST and a socket wrench, remove the shaft bolt.
SST

07112–76060

Torque: 13.2 N·m (135 kgf·cm, 9 ft·lbf)

(b)

IInstall SST on the pressure plate.
SST

07112–66040

(c)

Using SST and socket wrench, remove the pressure
plate.
SST

07112–76060,  07112–66040

(d)

Remove the shims from the pressure plate.

2.

REMOVE ROTOR

(a)

Using SST, remove the snap ring.
SST

07114–84020