LEXUS GS400 2000 Service Repair Manual

CH048±01
B01950
P10628
Socket
Wrench
P21010
SST
N00581
SST
P13567
Bearing Cover
± CHARGING (2JZ±GE)GENERATOR
CH±11
1613 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
REPLACEMENT
1. REPLACE FRONT BEARING
(a) Remove the 4 screws, bearing retainer and bearing.
(b) Using a socket wrench and press, press out the bearing.
(c) Using SST and a press, press in a new bearing.
SST 09950±60010 (09951±00500)
(d) Install the bearing retainer with the 4 screws.
Torque: 3.0 N´m (31 kgf´cm 27 in.´lbf)
2. REPLACE REAR BEARING
(a) Using SST, remove the bearing cover (outside) and bear-
ing.
SST 09820±00021
NOTICE:
Be careful not to damage the fan.
(b) Remove the bearing cover (inside).
(c) Place the bearing cover (inside) on the rotor.

N00578
SST
P00074
SST
Bearing Cover
CH±12
± CHARGING (2JZ±GE)GENERATOR
1614 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
(d) Using SST and a press, press in a new bearing.
SST 09820±00030
(e) Using SST, push in the bearing cover (outside).
SST 09285±76010

CH049±01
P10639
Pulley
P10637
B02022
29 mm
Socket
Wrench
B01648
Wire
Clip
P10835
Turn
SST (B)SST (A)
± CHARGING (2JZ±GE)GENERATOR
CH±13
1615 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
REASSEMBLY
1. PLACE DRIVE END FRAME ON PULLEY
2. INSTALL ROTOR TO DRIVE END FRAME
3. INSTALL RECTIFIER END FRAME
(a) Place the generator washer on the rotor.
(b) Using a 29 mm socket wrench and press, slowly press in
the rectifier end frame.
(c) Install the 3 nuts.
Torque: 4.5 N´m (46 kgf´cm, 40 in.´lbf)
(d) Install the wire clip with the nut.
Torque: 5.4 N´m (55 kgf´cm, 48 in.´lbf)
4. INSTALL PULLEY
(a) Install the pulley to the rotor shaft by tightening the pulley
nut by hand.
(b) Hold SST (A) with a torque wrench, and tighten SST (B)
clockwise to the specified torque.
SST 09820±63010
Torque: 39 N´m (400 kgf´cm, 29 ft´lbf)
(c) Check that SST (A) is secured to the pulley shaft.

Z00045
Turn
SST (C)
P10836
Turn
SST (B)SST (A)
B01649
Inside
Rubber
Insulator
B01650
Push
B01651
Seal Plate CH±14
± CHARGING (2JZ±GE)GENERATOR
1616 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
(d) Mount SST (C) in a vise.
(e) Insert SST (B) into SST (C), and attach the pulley nut to
SST (C).
(f) To torque the pulley nut, turn SST (A) in the direction
shown in the illustration.
Torque: 110.5 N´m (1,125 kgf´cm, 81 ft´lbf)
(g) Remove the generator from SST (C).
(h) Turn SST (B), and remove SST (A and B).
5. INSTALL RECTIFIER HOLDER
(a) Install the 4 rubber insulators on the lead wires.
(b) Install the rectifier holder while pushing it with the 4
screws.
Torque: 2.9 N´m (30 kgf´cm, 26 in.´lbf)
6. INSTALL VOLTAGE REGULATOR AND BRUSH
HOLDER
(a) Place the seal plate on the rectifier end frame.

B01652
Upward
Long
Long
B01653
B01654
Plate Terminal
± CHARGING (2JZ±GE)GENERATOR
CH±15
1617 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
(b) Place the voltage regulator and brush holder on the recti-
fier end frame.
NOTICE:
Be careful of the holder installation direction.
(c) Install the 5 screws.
Torque: 2.0 N´m (20 kgf´cm, 18 in.´lbf)
(d) Place the brush holder cover on the brush holder.
7. INSTALL REAR END COVER
(a) Install the end cover and plate terminal with the bolt and
3 nuts.
Torque:
Nut 4.4 N´m (45 kgf´cm, 39 in.´lbf)
Bolt 3.9 N´m (39 kgf´cm, 35 in.´lbf)
(b) Install the terminal insulator with the nut.
Torque: 6.5 N´m (67 kgf´cm, 58 in.´lbf)
8. CHECK THAT ROTOR ROTATES SMOOTHLY

CH04A±01
CH±16
± CHARGING (2JZ±GE)GENERATOR
1618 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSTALLATION
Installation is in the reverse order of removal. (See page CH±6)

CH044±01
B01996
Generator Wire
Pipe Clamp
A/T Oil Cooler PipePipe BracketGenerator Connector
Generator
Engine Under Cover
x 18
Drive Belt CH±4
± CHARGING (2JZ±GE)GENERATOR
1606 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
GENERATOR
COMPONENTS

B01642
Pulley
Rotor
Rectifier End FrameDrive End Frame (Stator)Bearing Cover
(Inside)
Generator
Washer
Brush Holder Cover Bearing Retainer
Terminal Insulator
Seal Plate
Rubber InsulatorRear End CoverPlate Terminal
Bearing Cover
Rectifier HolderBrush Holder

Rear Bearing

Front Bearing
Wire Clip
Voltage Regulator

Non±reusable part
± CHARGING (2JZ±GE)GENERATOR
CH±5
1607 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)

CH045±01
B02027
Turn
B01646
B01962
Engine
Wire Clamp
Pipe Clamp
B01963
Pipe Bracket
CH±6
± CHARGING (2JZ±GE)GENERATOR
1608 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
REMOVAL
1. REMOVE ENGINE UNDER COVER
2. REMOVE DRIVE BELT
Loosen the belt tension by turning the drive belt tensioner clock-
wise, and remove the drive belt.
NOTICE:
At the time of installation, please refer to the following
items. Do an on±vehicle inspection. (See page CH±1)
3. REMOVE GENERATOR
(a) Disconnect the generator connector.
(b) Remove the rubber cap and nut, and disconnect the gen-
erator wire.
(c) Disconnect the engine wire clamp from the wire clip on the
generator.
(d) Remove the bolt and pipe clamp, and disconnect the 2
A/T oil cooler pipes from the generator.
(e) Remove the bolt, nut, pipe bracket and generator.
Torque: 40 N´m (400 kgf´cm, 30 ft´lbf)

B01655
CH046±05
B01654
Plate Terminal
B01997
B01650
P10835
Turn
SST (B)SST (A)
± CHARGING (2JZ±GE)GENERATOR
CH±7
1609 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
DISASSEMBLY
1. REMOVE REAR END COVER
(a) Remove the nut and terminal insulator.
(b) Remove the bolt, 3 nuts, plate terminal and end cover.
2. REMOVE BRUSH HOLDER AND VOLTAGE REGULA-
TOR
(a) Remove the brush holder cover from the brush holder.
(b) Remove the 5 screws, brush holder and voltage regulator.
(c) Remove the seal plate from the rectifier end frame.
3. REMOVE RECTIFIER HOLDER
(a) Remove the 4 screws and rectifier holder.
(b) Remove the 4 rubber insulators.
4. REMOVE PULLEY
(a) Hold SST (A) with a torque wrench, and tighten SST (B)
clockwise to the specified torque.
SST 09820±63010
Torque: 39 N´m (400 kgf´cm, 29 ft´lbf)
(b) Check that SST (A) is secured to the rotor shaft.