Page 74 of 1111
AC0XL±01
AC±74
± AIR CONDITIONINGSENSOR
2759 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSPECTION
1. INSPECT SOLAR SENSOR CIRCUIT
Driver Side: (See page DI±1093)
Passnger Side: (See page DI±1084)
2. INSPECT ROOM TEMPERATURE SENSOR CIRCUIT
(See page DI±1071)
3. INSPECT AMBIENT TEMPERATURE SENSOR CIRCUIT
(See page DI±1074)
4. INSPECT EVAPORATOR TEMPERATURE SENSOR
(See page DI±1078)
5. INSPECT SMOG VENTILATION SENSOR CIRCUIT
(See page DI±1093)
Page 75 of 1111
AC0XM±01
± AIR CONDITIONINGSENSOR
AC±75
2760 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSTALLATION
Installation is in the reverse order of removal (See page AC±72).
Page 101 of 1111
D01038
Shift Control Rod
Heat Insulator
Heated Oxygen Sensor
Front Exhaust Pipe Front Exhaust Pipe
Heated Oxygen Sensor Heated Oxygen Sensor Gasket
13 (130, 9)
5.4 (55, 48 in.´lbf)
44 (450, 33)
Gasket
Gasket
Gasket
Gasket
2JZ±GE Engine:
1UZ±FE Engine:
N´m (kgf´cm, ft´lbf): Specified torque
Non±reusable partx6
44 (450, 33)
44 (450, 33)
44 (450, 33)
44 (450, 33)
44 (450, 33)
44 (450, 33)44 (450, 33)
44 (450, 33)
44 (450, 33)
44 (450, 33)
44 (450, 33)
44 (450, 33)
44 (450, 33)
AT±14
± AUTOMATIC TRANSMISSIONFLOOR SHIFT ASSEMBLY
1962 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
Page 115 of 1111
AT067±01
D01040
Gasket
Clamp
ClampAir Cleaner, MAF Meter and Intake
Air Connector Pipe Assembly
Exhaust Manifold with TWC
Connector and
Wire Harness Level Gauge
Filler PipeAdjusting WasherPropeller Shaft Assembly
Shift Control Rod
Torque Converter ClutchPlug for Line
Pressure TestHeat Insulator
Heated Oxygen Sensor
Front and Center
Exhaust PipeFront Floor
Center Brace
Engine Under Cover Pipe Support BracketO±Ring Heat Insulator
Gasket Starterx6x839 (400, 29)
44 (450, 33)
72 (730, 53)
37 (380, 27)
13 (130, 9)
79 (805, 58)
37 (375, 27)
7.4 (75, 65 in.´lbf)
44 (450, 33)
44 (450, 33)
37 (380, 27)
37 (380, 27)
Hole Plug
5.4 (55, 48 in.´lbf)
Oil Cooler Pipe
x5
O±Ring
5.4 (55, 48 in.´lbf)
Gasket
44 (450, 33)
5.4 (55, 48 in.´lbf)
N´m (kgf´cm,ft´lbf) : Specified torque
Non±reusable part Gasket
48 (490, 35)
26 (270, 20)
44 (450, 33)
44 (450, 33)
79 (805, 58)
± AUTOMATIC TRANSMISSIONAUTOMATIC TRANSMISSION UNIT (2JZ±GE)
AT±27
1975 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
AUTOMATIC TRANSMISSION UNIT (2JZ±GE)
COMPONENTS
Page 116 of 1111
AT068±01
D01041
D01042
AT±28
± AUTOMATIC TRANSMISSIONAUTOMATIC TRANSMISSION UNIT (2JZ±GE)
1976 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
REMOVAL
1. REMOVE LEVEL GAUGE
2. REMOVE FILLER PIPE
Remove the bolt and filler pipe with the O±ring.
HINT:
At the time of installation, please refer to the following item.
Replace the used O±ring with a new one.
3. REMOVE AIR CLEANER, MAF METER AND INTAKE
AIR CONNECTOR PIPE ASSEMBLY
4. REMOVE EXHAUST MANIFOLD WITH TWC
Remove the 8 nuts, 2 gaskets and exhaust manifold with the
TWC.
Torque: 39 N´m (400 kgf´cm, 29 ft´lbf)
HINT:
At the time of installation, please refer to the following item.
Replace the used gaskets with new ones.
5. RAISE VEHICLE
NOTICE:
Make sure that the vehicle is securely supported.
6. REMOVE ENGINE UNDER COVER
7. REMOVE FRONT AND CENTER EXHAUST PIPE
(a) Disconnect the heated oxygen sensor.
Torque: 44 N´m (450 kgf´cm, 33 ft´lbf)
HINT:
At the time of installation, please refer to the following items.
Before installing the heated oxygen sensor, twist the sen-
sor wire counterclockwise 3 and 1/2 turns.
After installing the heated oxygen sensor wire should not
twist. If it is twisted, remove the heated oxygen sensor
and reinstall it.
(b) Remove the 2 bolts and front floor center brace.
Torque: 7.4 N´m (75 kgf´cm, 65 in.´lbf)
(c) Remove the 3 bolts, nuts and 2 gaskets.
Torque: 44 N´m (450 kgf´cm, 33 ft´lbf)
HINT:
At the time of installation, please refer to the following item.
Replace the used nuts and gaskets with new ones.
(d) Remove the 2 bolts and pipe support bracket.
Torque: 44 N´m (450 kgf´cm, 33 ft´lbf)
Page 118 of 1111
D01047
Q03721
D01048
Q06925
AT±30
± AUTOMATIC TRANSMISSIONAUTOMATIC TRANSMISSION UNIT (2JZ±GE)
1978 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
12. REMOVE TORQUE CONVERTER CLUTCH MOUNT-
ING BOLT
(a) Remove the hole plug.
(b) Turn the crankshaft to gain access to each bolt.
(c) Hold the crankshaft pulley nut with a wrench and remove
the 6 bolts.
Torque: 48 N´m (490 kgf´cm, 35 ft´lbf)
HINT:
At the time of installation, please refer to the following item.
First install black colored bolt and then the 5 other bolts.
13. SUPPORT TRANSMISSION WITH JACK
14. REMOVE 4 ENGINE REAR MOUNTING SET BOLTS
Torque: 26 N´m (270 kgf´cm, 20 ft´lbf)
15. DISCONNECT CONNECTORS AND WIRE HARNESS
(a) Tilt down the transmission.
NOTICE:
Take care so that the cooling fan does not come in contact
with the fan shroud.
(b) Disconnect the following connectors:
(1) O/D direct clutch speed sensor connector
(2) Vehicle speed sensor connector
(3) Park/neutral position switch connector
(4) Solenoid connector
(c) Disconnect the wire harness from the clamp on the trans-
mission.
Page 123 of 1111
AT06A±01
D01049
Oil Cooler Pipe
Connector and Wire Harness
Level Gauge
Torque Converter Clutch
Flywheel Housing
Under CoverPlug for Line
Pressure Test
Front and Center Exhaust PipePropeller Shaft Assembly
Heated Oxygen Sensor
Pipe Support BracketRH Front TWC
Engine Under CoverHeat Insulator
Ground CableHeat Insulator GasketO±Ring x6Adjusting Washer
Filler Pipe
44 (450, 33)
79 (805, 58)
37 (375, 27)
79 (805, 58)
13 (130, 9)
37 (380, 27)
18 (185, 13)
44 (450, 33)
44 (450, 33)
62 (630, 46)
62 (630, 46)
72 (730, 53)
37 (380, 27)
48 (490, 35)
44 (450, 33)44 (450, 33)
5.4 (55, 48 in.´lbf)
5.4 (55, 48 in.´lbf)
Heat Insulator
26 (270, 20)
Gasket
LH Front TWC
44 (450, 33)
Gasket
Gasket
N´m (kgf´cm, ft´lbf) : Specified torque
Non±reusable part Heat Insulator
5.4 (55, 48 in.´lbf)
44 (450, 33)
44 (450, 33)
O±Ring
Heated Oxygen
SensorFront Floor
Center Brace
7.4 (75, 65 in.´lbf)
x6
± AUTOMATIC TRANSMISSIONAUTOMATIC TRANSMISSION UNIT (1UZ±FE)
AT±33
1981 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
AUTOMATIC TRANSMISSION UNIT (1UZ±FE)
COMPONENTS
Page 124 of 1111
AT06B±01
D01050
D01051
D00999
AT±34
± AUTOMATIC TRANSMISSIONAUTOMATIC TRANSMISSION UNIT (1UZ±FE)
1982 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
REMOVAL
1. REMOVE LEVEL GAUGE
2. RAISE VEHICLE
NOTICE:
Make sure that the vehicle is securely supported.
3. REMOVE ENGINE UNDER COVER
4. REMOVE FRONT AND CENTER EXHAUST PIPES
(a) Disconnect he 2 heated oxygen sensor.
Torque: 44 N´m (450 kgf´cm, 33 ft´lbf)
HINT:
At the time of installation, please refer to the following items.
Before installing the heated oxygen sensor, twist the sen-
sor wire counterclockwise 3 and 1/2 turns.
After installing the heated oxygen sensor wire should not
twist. If it is twisted, remove the heated oxygen sensor
and reinstall it.
(b) Remove the 2 bolts and front floor center brace.
Torque: 7.4 N´m (75 kgf´cm, 65 in.´lbf)
(c) Remove the 4 bolts, nuts and 2 gaskets from the LH and
RH front TWC.
Torque: 44 N´m (450 kgf´cm, 33 ft´lbf)
HINT:
At the time of installation, please refer to the following item.
Replace the used nuts and gaskets with new ones.
(d) Remove the 2 bolts and support bracket.
Torque: 44 N´m (450 kgf´cm, 33 ft´lbf)
(e) Remove the 4 bolts and 2 gaskets from the tail pipe.
Torque: 44 N´m (450 kgf´cm, 33 ft´lbf)
HINT:
At the time of installation, please refer to the following item.
Replace the used gaskets with new ones.
(f) Disconnect the front and center exhaust pipes from the 2
O±rings and remove them.
5. REMOVE LH AND RH FRONT TWC
Remove the 6 nuts, 2 gaskets, LH and RH front TWC.
Torque: 62 N´m (630 kgf´cm, 46 ft´lbf)
HINT:
At the time of installation, please refer to the following item.
Replace the used nuts and gaskets with new ones.
