Lexus ES300 (1997 year). Manual — part 38

AC0A1–01

N20277

P19978

–

AIR CONDITIONING

COMPRESSOR AND MAGNETIC CLUTCH

AC–35

1592

1997 LEXUS ES300 (RM511U)

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–15

)

6.

REMOVE SUCTION HOSE

(a)

Remove the suction hose clamping bolt.

(b)

Disconnect the wire harness clamp.

(c)

Loosen the nut and bolts and remove the suction hose.

NOTICE:
Cap the open fittings immediately to keep moisture or dirt
out of the system.
7.

DISCONNECT DISCHARGE HOSE

Remove the bolt and disconnect the hose.
NOTICE:
Cap the open fitting immediately to keep moisture or dirt
out of the system.

8.

REMOVE GENERATOR

(a)

Disconnect the generator connector.

(b)

Remove the nut, and disconnect the generator wire.

(c)

Disconnect the wire harness from the clip.

(d)

Remove the pivot bolt, plate washer, adjusting lock bolt
and generator.

N20259

N20241

AC–36

–

AIR CONDITIONING

COMPRESSOR AND MAGNETIC CLUTCH

1593

1997 LEXUS ES300 (RM511U)

9.

REMOVE COMPRESSOR

(a)

Disconnect the connector.

(b)

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

(c)

Remove the 3 bolts and compressor.

AC0A2–03

AC0943

SST

AC0944

SST

AC0945

SST

AC0946

Shim

Pressure
Plate

AC0947

SST

–

AIR CONDITIONING

COMPRESSOR AND MAGNETIC CLUTCH

AC–37

1594

1997 LEXUS ES300 (RM511U)

DISASSEMBLY

1.

REMOVE PRESSURE PLATE

(a)

Using SST and a socket wrench, remove the shaft bolt.
Torque: 13.2 N·m (135 kgf·cm, 9 ft·lbf)
SST

07112–76060

(b)

Install SST on the pressure palate.
SST

07112–66040

(c)

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

07112–76060

(d)

Remove the shims from the pressure palate.

2.

REMOVE ROTOR

(a)

Using SST, remove the snap ring.
SST

07114–84020

N20013

R–Shape

Rotor

Snap Ring

Compressor

AC1743

AC1744

AC0950

SST

N20012

R–Shape

Snap Ring

Compressor

Stator

AC–38

–

AIR CONDITIONING

COMPRESSOR AND MAGNETIC CLUTCH

1595

1997 LEXUS ES300 (RM511U)

NOTICE:
At the time of reassembly, please refer to the following
item.
The snap ring should be installed so that beveled side
faces up.

(b)

Using a plastic hammer, tap the rotor off the shaft.

NOTICE:
Be careful not to damage the pulley when tapping on the ro-
tor.

3.

REMOVE STATOR

(a)

Disconnect the stator lead wire from the compressor
housing.

(b)

Using SST, remove the snap ring.
SST

07114–84020

NOTICE:
At the time of reassembly, please refer to the following
item.
The snap ring should be installed so that its beveled side
faces up.