2000 LEXUS GS400 sensor

A09753
Transmission Control Rod
13 (130, 9)
13 (130, 9)
Rear Engine Mounting Member
Fuel Inlet
 Gasket
29 (300, 22)
13.5 (135, 10)25.5 (260, 19)
70 (714, 52)
Hole Plug PS Vane Pump Assembly
PS Pump Rear Stay57.9 (590, 43)
39.2 (400, 29)
65 (660, 48)
65 (660, 48)
35 (360, 26)
26 (265, 19)
52 (530, 38)
57.9 (590, 43)
A/C Compressor
52 (530, 38)
52 (530, 38)
Adjusting Washer
PS Gear Housing
Propeller Shaft
79 (805, 58)
37 (375, 27)
Heat Insulator
Heat Insulator
Adjusting Nut
69 (700, 51)
79 (805, 58)
44 (440, 32)
 Gasket Gasket
Ring
Ring
Center Exhaust Pipe
Front Floor Center Brace
 Gasket
Front Exhaust Pipe
(with Rear TWC)
44 (440, 32)
 Gasket
45 (450, 32)
Heated Oxygen Sensor
(Bank 2 Sensor 2)
44 (440, 32)
N´m (kgf´cm, ft´lbf) : Specified torque
 Non±reusable part
44 (440, 32)Pipe Support
Bracket
Hose
EM±60
± ENGINE MECHANICAL (2JZ±GE)ENGINE UNIT
1414 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)

A09754
 GasketEngine Wire
Clamp
Engine
StarterOil Dipstick and Guide for A/T
Starter Wire Hole Plug
N´m (kgf´cm, ft´lbf) : Specified torque
 Non±reusable part
40 (408, 30)
37 (380, 27)
x 8
 O±Ring
x 4 Pipe Clamp
PNP Switch Connector
Engine Wire
VSS Connector
Solenoid
Connector
Direct Clutch Speed
Sensor Connector
Oil Cooler Pipe for A/T
Exhaust Manifold
Transmission
(with Torque
Converter Clutch)
x 5
Ground Wire
72 (730, 53)
17 mm Bolt

83 (850, 61)x 8
Rear Plate
Drive Plate
48 (490, 35)
x 6
Front Spacer
14 mm Bolt
37 (380, 27)
± ENGINE MECHANICAL (2JZ±GE)ENGINE UNIT
EM±61
1415 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)

A02793
Ground Wire
Fuel Inlet Hose
Starter Wire
A02788
Ground Strap
Heater Hose
A02787
Clamp
A02785
A02786
± ENGINE MECHANICAL (2JZ±GE)ENGINE UNIT
EM±63
1417 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
12. DISCONNECT WIRES, CABLE, STRAP, CONNEC-
TORS, HOSES AND CLAMPS
(a) Disconnect the ground wire from the floor.
(b) Disconnect the starter wire from the terminal and manifold
stay.
(c) Disconnect the fuel inlet hose from the fuel pipe support.
(d) Disconnect the ground strap from the dash panel.
(e) Disconnect the heater hose from the heater pipe.
(f) Disconnect the heater hose from the water bypass pipe.
(g) Disconnect the EVAP hose from the pipe (from charcoal
canister).
(h) Disconnect the heater oxygen sensor (bank 1 sensor 1)
connector.
(i) Disconnect the heater oxygen sensor (bank 1 sensor 2)
connector.
(j) Disconnect the generator wire.
(k) Disconnect the engine wire clamp from the wire clip of
generator.
(l) Disconnect the ground cable from the bracket on the cyl-
inder block.
(m) Disconnect the igniter connector.
(n) Disconnect the DLC1.
(o) Disconnect the 2 engine wire clamps from the clamp
brackets.
13. DISCONNECT ENGINE WIRE FROM ECM BOX
(a) Remove the ECM hood and ECM cover.
(b) Disconnect the 3 ECM connectors.
(c) Disconnect the 4 wire harness connectors.
(d) Disconnect the 2 junction connectors.
(e) Disconnect the grommet and engine wire from the ECM
box.

A02743
O±Ring
PullClamp
A09755
Case
Clamp
A02729
A02728
A02730
EM±66
± ENGINE MECHANICAL (2JZ±GE)ENGINE UNIT
1420 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
19. REMOVE OIL DIPSTICK AND GUIDE FOR A/T
(a) Disconnect the engine wire clamp from the dipstick guide.
(b) Remove the bolt.
(c) Pull out the dipstick guide and dipstick from the dipstick
tube.
(d) Remove the O±ring from the dipstick guide.
20. REMOVE EXHAUST MANIFOLD
(a) Remove the case clamp.
(b) Disconnect the heated oxygen sensor (bank 2 sensor 1)
connector.
(c) Remove the 8 nuts, exhaust manifold and 2 gaskets.
21. REMOVE OIL COOLER PIPES FOR A/T
(a) Remove the 3 bolts and pipe clamps.
(b) Loosen the 2 union nuts, and remove the 2 oil cooler
pipes.
22. REMOVE TORQUE CONVERTER CLUTCH BOLTS
(a) Remove the hole plug.
(b) Turn the crankshaft pulley bolt to gain access to each bolt.
(c) Hold the crankshaft pulley bolt with a wrench, and remove
the 6 bolts.
23. R E M O V E 4 B O LT S H O L D I N G N O . 1 O I L PA N TO
TRANSMISSION
24. REMOVE STARTER
(a) Disconnect the starter connector.
(b) Remove the 2 bolts, clamp bracket and starter.

A02731
Ground
Wire
± ENGINE MECHANICAL (2JZ±GE)ENGINE UNIT
EM±67
1421 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
25. DISCONNECT ENGINE WIRE FROM TRANSMISSION
(a) Disconnect the VSS connector.
(b) Disconnect the PNP switch connector.
(c) Disconnect the solenoid connector.
(d) Disconnect the direct clutch speed sensor connector.
(e) Disconnect the engine wire from the 3 wire clamps.
26. REMOVE TRANSMISSION FROM ENGINE
(a) Remove the 5 bolts and ground wire.
(b) Remove the transmission together with the torque con-
verter clutch from the engine.
27. REMOVE DRIVE PLATE
Remove the 8 bolts, rear plate, drive plate and front spacer.

P10474
Rear Plate
EM0DI±05
P10482
18
4
6
2
7
3 5
A02731
Ground
Wire
A02730
EM±68
± ENGINE MECHANICAL (2JZ±GE)ENGINE UNIT
1422 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSTALLATION
1. INSTALL DRIVE PLATE
(a) Install the front spacer, drive plate and rear plate on the
crankshaft.
(b) Apply adhesive to 2 or 3 threads of the mounting bolt end.
Adhesive:
Part No. 08833±00070, THREE BOND 1324 or
equivalent
(c) Install the uniformly tighten the 8 mounting bolts, in sever-
al passes, in the sequence shown.
Torque: 83 N´m (850 kgf´cm, 61 ft´lbf)
2. INSTALL TRANSMISSION TO ENGINE
(a) Check the torque converter clutch installation.
(See page AT±39 )
(b) Attach the transmission to the engine.
(c) Install the ground wire and 5 bolts.
Torque: 72 N´m (730 kgf´cm, 53 ft´lbf)
3. CONNECT ENGINE WIRE TO TRANSMISSION
(a) Connect the VSS connector.
(b) Connect the PNP switch connector.
(c) Connect the solenoid connector.
(d) Connect the direct clutch speed sensor connector.
(e) Connect the engine wire to the 3 wire clamps.
4. INSTALL STARTER
(a) Install the starter and clamp bracket with the 2 bolts.
Torque: 37 N´m (380 kgf´cm, 27 ft´lbf)
(b) Connect the starter connector.
5. INSTALL 4 BOLTS HOLDING NO.1 OIL PAN TO
TRANSMISSION
Torque: 37 N´m (380 kgf´cm, 27 ft´lbf)
6. INSTALL TORQUE CONVERTER CLUTCH BOLTS
(a) Apply adhesive to 2 or 3 threads of the bolt end.
Adhesive:
Part No. 08833±00070, THREE BOND 1324 or
equivalent

A02728
Dark Green
A09755
Case
Clamp
A02761
New O±Ring
PushClamp
A02799
A02795
± ENGINE MECHANICAL (2JZ±GE)ENGINE UNIT
EM±69
1423 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
(b) Hold the crankshaft pulley bolt with a wrench, and install
the 6 bolts evenly.
Torque: 48 N´m (490 kgf´cm, 35 ft´lbf)
HINT:
First install the dark green colored bolt, install the other bolts.
(c) Install the hole plug.
7. INSTALL OIL COOLER PIPE FOR A/T
8. INSTALL EXHAUST MANIFOLD
(a) Install 2 new gaskets to the cylinder head.
(b) Using a 14 mm deep socket wrench, install the exhaust
manifold with the 8 nuts. Uniformly tighten the nuts in sev-
eral passes.
Torque: 40 N´m (408 kgf´cm, 30 ft´lbf)
(c) Connect the heated oxygen sensor (bank 2 sensor 1)
connector.
(d) Install the case clamp.
9. INSTALL OIL DIPSTICK GUIDE AND DIPSTICK FOR
A/T
(a) Install a new O±ring to the dipstick guide.
(b) Push in the dipstick guide end to the dipstick tube of the
oil pan.
(c) Install the dipstick guide with the bolt.
(d) Connect the engine wire clamp to the dipstick guide.
(e) Install the dipstick.
10. INSTALL ENGINE AND TRANSMISSION ASSEMBLY
IN VEHICLE
(a) Attach the engine chain hoist to the engine hangers.
(b) Slowly lower the engine and transmission assembly into
the engine compartment.
(c) Insert the stud bolts of the front engine mounting brackets
into the stud bolt holes of the front suspension crossmem-
ber.
(d) Keep the engine level.
(e) Install the rear engine mounting member with the 4 bolts
and 4 nuts.
Torque:
25.5 N´m (260 kgf´cm, 19 ft´lbf) for bolts
13.5 N´m (135 kgf´cm 10 ft´lbf) for nuts
NOTICE:
Be careful of installation direction.

A02765
EVAP Hose
A02751
A02753
EVAP
Hose Clamp
MAF Meter
Connector
EM±72
± ENGINE MECHANICAL (2JZ±GE)ENGINE UNIT
1426 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
(g) Connect the heated oxygen sensor (bank 1 sensor 1)
connector.
(h) Connect the heated oxygen sensor (bank 1 sensor 2)
connector.
(i) Connect the EVAP hose to the pipe (from charcoal canis-
ter).
(j) Connect the heater hose to the heater pipe.
(k) Connect the heater hose to the water bypass pipe.
(l) Connect the ground strap to the dash panel.
(m) Connect the fuel inlet hose to the fuel pipe support.
Torque: 29 N´m (300 kgf´cm, 22 ft´lbf)
(n) Connect the starter wire to the terminal and manifold stay.
(o) Connect the ground wire to the floor.
16. INSTALL FRONT SUSPENSION MEMBER BRACE
Install the brace with the 6 bolts.
Torque: 58 N´m (590 kgf´cm, 43 ft´lbf)
17. INSTALL DRIVE BELT (See page CH±1)
18. INSTALL RADIATOR ASSEMBLY (See page CO±23)
19. CONNECT ACCELERATOR CABLE TO ENGINE
20. INSTALL AIR CLEANER, MAF METER AND INTAKE
AIR CONNECTOR PIPE ASSEMBLY
(a) Connect the intake air resonator to the throttle body.
(b) Install the air cleaner case with the 3 bolts.
(c) Tighten the hose clamp bolt holding the intake air resona-
tor to the throttle body.
(d) Connect the MAF meter connector.
(e) Connect the engine wire clamp to the air cleaner case.
(f) Connect the EVAP hose to the air cleaner case.
(g) Connect the PS air hose to the No.4 timing belt cover.
(h) Connect the PCV hose to the No.2 cylinder head cover.
21. INSTALL AIR CLEANER INLET
22. INSTALL ENGINE COVER
Install the engine cover with the 4 nuts.
23. FILL WITH ENGINE COOLANT
24. FILL WITH ENGINE OIL
25. START ENGINE AND CHECK FOR LEAKS
26. INSTALL ENGINE UNDER COVER