Page 608 of 1111
EM±96
± ENGINE MECHANICAL (2JZ±GE)CYLINDER BLOCK
1450 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
20. INSTALL OIL FILTER AND BRACKET ASSEMBLY
(a) Install a new O±ring to the oil filter bracket.
(b) Install a new gasket to the union bolt.
(c) Install the oil filter bracket with the union bolt.
Torque: 90 N´m (900 kgf´cm, 65 ft´lbf)
21. INSTALL OIL PRESSURE SWITCH AND KNOCK
SENSORS (See page LU±1, SF±63)
22. INSTALL CYLINDER HEAD (See page EM±52)
23. INSTALL WATER PUMP (See page CO±8)
24. INSTALL NO.2 WATER BYPASS PIPE WITH HOSE
(a) Install the water bypass pipe with the bolt and 2 nuts.
Torque: 21 N´m (210 kgf´cm, 15 ft´lbf)
(b) Connect the water bypass hose to the hose clamp.
25. INSTALL TIMING PULLEYS AND BELT
(See page EM±23)
26. INSTALL GENERATOR
Install the generator and pipe bracket with the bolt and nut.
Torque: 40 N´m (400 kgf´cm, 30 ft´lbf)
27. REMOVE ENGINE STAND FROM ENGINE
Page 648 of 1111

IN0D6±01
± INTRODUCTIONTERMS
IN±41
41 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
GLOSSARY OF SAE AND LEXUS TERMS
This glossary lists all SAE±J1930 terms and abbreviations used in this manual in compliance with SAE rec-
ommendations, as well as their LEXUS equivalents.
SAE
ABBREVIATIONSSAE TERMSLEXUS TERMS
( )±±ABBREVIATIONS
A/CAir ConditioningAir Conditioner
ACLAir CleanerAir Cleaner, A/CL
AIRSecondary Air InjectionAir Injection (AI)
APAccelerator Pedal±
B+Battery Positive Voltage+B, Battery Voltage
BAROBarometric PressureHAC
CACCharge Air CoolerIntercooler
CARBCarburetorCarburetor
CFIContinuous Fuel Injection±
CKPCrankshaft PositionCrank Angle
CLClosed LoopClosed Loop
CMPCamshaft PositionCam Angle
CPPClutch Pedal Position±
CTOXContinuous Trap Oxidizer±
CTPClosed Throttle PositionLL ON, Idle ON
DFIDirect Fuel Injection (Diesel)Direct Injection (DI)
DIDistributor Ignition±
DLC1
DLC2
DLC3Data Link Connector 1
Data Link Connector 2
Data Link Connector 31: Check Connector
2: Total Diagnosis Comunication Link (TDCL)
3: OBD II Diagnostic Connector
DTCDiagnostic Trouble CodeDiagnostic Code
DTMDiagnostic Test Mode±
ECLEngine Control Level±
ECMEngine Control ModuleEngine ECU (Electronic Control Unit)
ECTEngine Coolant TemperatureCoolant Temperature, Water Temperature (THW)
EEPROMElectrically Erasable Programmable Read Only Memory
Electrically Erasable Programmable Read Only Memory
(EEPROM),
Erasable Programmable Read Only Memory (EPROM)
EFEEarly Fuel EvaporationCold Mixture Heater (CMH), Heat Control Valve (HCV)
EGRExhaust Gas RecirculationExhaust Gas Recirculation (EGR)
EIElectronic IgnitionTOYOTA Distributorless Ignition (TDI)
EMEngine ModificationEngine Modification (EM)
EPROMErasable Programmable Read Only MemoryProgrammable Read Only Memory (PROM)
EVAPEvaporative EmissionEvaporative Emission Control (EVAP)
FCFan Control±
FEEPROMFlash Electrically Erasable Programmable Read Only
Memory±
FEPROMFlash Erasable Programmable Read Only Memory±
FFFlexible Fuel±
FPFuel PumpFuel Pump
GENGeneratorAlternator
GNDGroundGround (GND)
Page 658 of 1111

Z17748
A
AB
BSeal Width
4 ± 5 mm
P02404
New Gasket
A02760
New O±Ring
Push
LU±14
± LUBRICATION (2JZ±GE)OIL PUMP
1586 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
Using a non±residue solvent, clean both sealing
surfaces.
NOTICE:
Do not use a solvent which will affect the painted surfaces.
(b) Apply seal packing to the No.2 oil pan as shown in the il-
lustration.
Seal packing: Part No.08826±00080 or equivalent
Install a nozzle that has been cut to a 4 ± 5 mm (0.16
± 0.20 in.) opening.
HINT:
Avoid applying an excessive amount to the surface.
Parts must be assembled within 5 minutes of application.
Otherwise the material must be removed and reapplied.
Immediately remove nozzle from the tube and reinstall
cap.
(c) Install the No.2 oil pan with the 16 bolts and 2 nuts.
Torque: 9.0 N´m (90 kgf´cm, 80 in.´lbf)
6. INSTALL OIL LEVEL SENSOR
(a) Install a new gasket to the level sensor.
(b) Install the level sensor with the 4 bolts.
Torque: 5.4 N´m (55 kgf´cm, 48 in.´lbf)
(c) Connect the level sensor connector.
7. INSTALL OIL DIPSTICK GUIDE AND DIPSTICK
(a) Install a new O±ring on the dipstick guide.
(b) Apply soapy water on the O±ring.
(c) Push in the dipstick guide into the guide hole of the No.1
oil pan.
(d) Install the dipstick guide with the bolt.
(e) Install the dipstick.
(f) Connect the engine wire clamp to the dipstick guide.
8. INSTALL CRANKSHAFT TIMING PULLEY, IDLER
PULLEY AND TIMING BELT (See page EM±23)
Page 727 of 1111
PP0SM±02
PP±80
± PREPARATIONSTEERING
132 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
STEERING
SST (Special Service Tools)
09238±47012Water Pump Bearing Remover &
ReplacerPS vane pump (1UZ±FE)
09608±04031Front Hub Inner Bearing Cone
ReplacerPS vane pump (2JZ±GE)
09612±00012Rack & Pinion Steering Rack
Housing StandPS gear
09616±00010Steering Worm Bearing Adjusting
SocketPS gear
09631±10030Oil Seal RemoverPS vane pump
09631±12071Steering Rack Oil Seal Test ToolPS gear
09631±20060Bearing Guide Nut WrenchPS gear
09631±20081Seal Ring ToolPS gear
09631±20090Cylinder End Stopper Nut WrenchPS gear
09631±20102Steering Rack Cover ºHºPS gear
09631±22020Power Steering Hose Nut
14 x 17 mm Wrench SetPower steering fluid
09633±00020Power Steering Hose Nut WrenchPS gear
Page 767 of 1111
SS0FN±01
SS±14
±
170 Author: Date:
TORQUE SPECIFICATION
Part tightenedN´mkgf´cmft´lbf
Engine drain plug x Cylinder block3030022
Water pump x Cylinder block2121015
Water pump x No.2 water bypass pipe2121015
Generator x Water pump4040030
Generator x Cylinder block4040030
Water bypass outlet x Cylinder head9.09080 in.´lbf
Water pump pulley x Water pump1414010
Water inlet x Water pump9.09080 in.´lbf
Oil cooler x Radiator lower tank8.38574 in.´lbf
Oil cooler x Oil cooler pipe14.715011
Upper radiator support x Body13.513510
Electric cooling fan x Radiator5.05044 in.´lbf
Page 776 of 1111
SS0E7±02
SS±22
±
178 Author: Date:
TORQUE SPECIFICATION
Part tightenedN´mkgf´cmft´lbf
Generator x Water pump4040030
Generator x Cylinder block4040030
Bearing retainer x Drive end frame3.03127 in.´lbf
Rectifier end frame x Drive end frame4.54640 in.´lbf
Wire clip x Rectifier end frame5.45548 in.´lbf
Generator pulley x Rotor110.51,12581
Rectifier holder x Coil lead on rectifier end frame2.93026 in.´lbf
Voltage regulator x Rectifier end frame2.02018 in.´lbf
Voltage regulator x Rectifier holder2.02018 in.´lbf
Brush holder x Rectifier holder2.02018 in.´lbf
Brush holder x Voltage regulator2.02018 in.´lbf
Rear end cover x Rectifier holder4.44539 in.´lbf
Plate terminal x Rectifier holder Nut
Bolt4.4
3.945
4039 in.´lbf
35 in.´lbf
Terminal insulator x Rectifier holder6.56758 in.´lbf
Page 808 of 1111

SS0FI±01
SS±8
± SERVICE SPECIFICATIONSENGINE MECHANICAL (2JZ±GE)
164 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
TORQUE SPECIFICATION
Part tightenedN´mkgf´cmft´lbf
No.3 timing belt cover x Cylinder head8.08071 in.´lbf
Intake air connector x Air intake chamber2828021
Throttle body bracket x Cylinder head2121015
Timing belt plate x Oil pump8.08071 in.´lbf
Idler pulley x Oil pump3535026
No.1 timing belt cover x Oil pump8.08071 in.´lbf
Camshaft timing pulley x Camshaft8181060
Straight screw plug x Camshaft timing pulley1515011
No.1 oil pipe x No.3 camshaft bearing cap5555041
Cylinder head cover x Cylinder head8.58575 in.´lbf
High±tension cord x Cylinder head cover8.08071 in.´lbf
Timing belt tensioner x Oil pump2727020
Crankshaft pulley x Crankshaft3303,300243
Drive belt tensioner x Cylinder head2121015
No.2 timing belt cover x Cylinder head8.08071 in.´lbf
PS pump front bracket x PS vane pump5859043
PS pump front bracket x Cylinder block5253038
Camshaft bearing cap x Cylinder head2020014
ECT sensor x Cylinder head19.620014
Engine hanger x Cylinder head4040030
Water outlet x Cylinder head2828021
Cylinder head x Cylinder head 1st
2nd
3rd35
Turn 90°
Turn 90°350
Turn 90°
Turn 90°26
Turn 90°
Turn 90°
No.3 camshaft bearing cap x Cylinder head Hexagon bolt5.05044 in.´lbf
No.4 timing belt cover x Cylinder head8.08071 in.´lbf
Cylinder head cover x Cylinder head8.58575 in.´lbf
Intake manifold x Cylinder head2828021
Manifold stay x Intake manifold4040030
Manifold stay x Cylinder block4040030
Vacuum control valve set x Intake manifold2121015
Exhaust manifold x Cylinder head4040830
Front exhaust pipe x Exhaust manifold4444032
Pipe support bracket x Transmission4444032
PS vane pump x Cylinder block57.959043
PS vane pump x A/C compressor57.959043
PS pump rear stay x PS pump bracket39.240029
PS pump rear stay x Manifold stay39.240030
Engine hanger x Cylinder head4040030
Rear support member x Body25.526019
Drive plate x Crankshaft8385061
Transmission x Cylinder block7273053
Starter x Transmission3738027
No.1 oil pan x Transmission3738027
Page 809 of 1111

± SERVICE SPECIFICATIONSENGINE MECHANICAL (2JZ±GE)
SS±9
165 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)Part tightened
N´mkgf´cmft´lbf
Drive plate x Torque converter clutch4849035
Rear support member x Engine rear mounting insulator13.513510
Front suspension crossmember x Engine mounting insulator7071452
PS gear housing x Front suspension member6566048
Sliding yoke x Steering intermediate shaft3536026
Transmission control rod x Shift lever131309
Transmission control rod x Transmission131309
A/C compressor x Cylinder block Stud bolt
Bolt and nut26
52265
53019
38
Fuel inlet hose x Fuel pipe support2930022
Front suspension member brace x Front suspension member5859043
Front suspension member brace x Strut bar bracket plate5859043
Connecting rod cap x Connecting rod 1st
2nd30
Turn 90°300
Turn 90°22
Turn 90°
Main bearing cap x Cylinder block 1st
2nd45
Turn 90°450
Turn 90°33
Turn 90°
Rear oil seal retainer x Cylinder block6.06053
Engine mounting bracket x Cylinder block5959044
Fuel inlet pipe x Cylinder block2929021
No.1 oil pipe x Cylinder block5555041
Oil filter bracket x Cylinder block9090066
No.2 water bypass pipe x Water pump2121015
No.2 water bypass pipe x Cylinder block2121015
Generator x Water pump4040030
Generator x Cylinder block4040030
Front exhaust pipe x Center exhaust pipe4444032
Center exhaust pipe x Tailpipe4444032
Heated oxygen sensor x Front exhaust pipe4545033