2000 LEXUS GS400 engine

SS0FH±05
± SERVICE SPECIFICATIONSENGINE MECHANICAL (2JZ±GE)
SS±5
161 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
ENGINE MECHANICAL (2JZ±GE)
SERVICE DATA
Compression
pressureat 250 rpm STD
Minimum
Difference of pressure between each cylinder1,324 kPa (13.5 kgf/cm2, 192 psi) or more
1,079 kPa (11.0 kgf/cm2, 156 psi)
98 kPa (1.0 kgf/cm2, 14 psi) or less
Valve
clearanceat cold Intake
Exhaust
Adjusting shim (for repair part) Mark 2.500
Mark 2.550
Mark 2.600
Mark 2.650
Mark 2.700
Mark 2.750
Mark 2.800
Mark 2.850
Mark 2.900
Mark 2.950
Mark 3.000
Mark 3.050
Mark 3.100
Mark 3.150
Mark 3.200
Mark 3.250
Mark 3.3000.15 ± 0.25 mm (0.006 ± 0.010 in.)
0.25 ± 0.35 mm (0.010 ± 0.014 in.)
2.500 mm (0.0984 in.)
2.550 mm (0.1004 in.)
2.600 mm (0.1024 in.)
2.650 mm (0.1043 in.)
2.700 mm (0.1063 in.)
2.750 mm (0.1083 in.)
2.800 mm (0.1102 in.)
2.850 mm (0.1122 in.)
2.900 mm (0.1142 in.)
2.950 mm (0.1161 in.)
3.000 mm (0.1181 in.)
3.050 mm (0.1201 in.)
3.100 mm (0.1220 in.)
3.150 mm (0.1240 in.)
3.200 mm (0.1260 in.)
3.250 mm (0.1280 in.)
3.300 mm (0.1299 in.)
Ignition timingw/ Terminals TE and E1 connected of DLC110° ± 2° BTDC @ idle
Idle speed700 ± 50 rpm
Timing belt
tensionerProtrusion (from housing side)8.0 ± 8.8 mm (0.315 ± 0.346 in.)
Cylinder headWarpage
Cylinder block side Maximum
Intake manifold sideMaximum
Exhaust manifold side Maximum
Valve guide bore diameter STD
O/S 0.05
Valve seat
Refacing angle
Contacting angle
Contacting width Intake
Exhaust
Cylinder head bolt diameter STD
Minimum
0.10 mm (0.0039 in.)
0.10 mm (0.0039 in.)
0.10 mm (0.0039 in.)
10.985 ± 11.006 mm (0.4325 ± 0.4333 in.)
11.035 ± 11.056 mm (0.4344 ± 0.4353 in.)
15°, 45°, 75°
45°
1.0 ± 1.4 mm (0.039 ± 0.055 in.)
1.2 ± 1.6 mm (0.047 ± 0.063 in.)
10.8 ± 11.0 mm (0.425 ± 0.433 in.)
10.7 mm (0.421 in.)
Valve guide
bushingInside diameter
Outside diameter (for repair part) STD
O/S 0.056.010 ± 6.030 mm (0.2366 ± 0.2374 in.)
11.033 ± 11.044 mm (0.4344 ± 0.4348 in.)
11.083 ± 11.094 mm (0.4363 ± 0.4368 in.)
ValveValve overall length STD Intake
Exhaust
Minimum Intake
Exhaust
Valve face angle
Stem diameterIntake
Exhaust98.29 ± 98.79 mm (3.8697 ± 3.8894 in.)
98.84 ± 99.34 mm (3.8913 ± 3.9110 in.)
98.19 mm (3.8657 in.)
98.74 mm (3.8874 in.)
44.5°
5.970 ± 5.985 mm (0.2350 ± 0.2356 in.)
5.965 ± 5.980 mm (0.2348 ± 0.2354 in.)

SS±6
± SERVICE SPECIFICATIONSENGINE MECHANICAL (2JZ±GE)
162 Author: Date:
2000 LEXUS GS300/GS400 (RM718U) Valve (cont'd)
Stem oil clearance STD Intake
Exhaust
Maximum Intake
Exhaust
Margin thickness STD
Minimum0.025 ± 0.060 mm (0.0010 ± 0.0024 in.)
0.030 ± 0.065 mm (0.0012 ± 0.0026 in.)
0.08 mm (0.0031 in.)
0.10 mm (0.0039 in.)
0.8 ± 1.2 mm (0.031 ± 0.047 in.)
0.5 mm (0.020 in.)
Valve springDeviation Maximum
Free lengthPink painted mark
Yellow painted mark
Installed tension at 34.5 mm (1.358 in.)2.0 mm (0.079 in.)
43.71 mm (1.7209 in.)
44.10 mm (1.7362 in.)
186.2 ± 205.8 N (19.0 ± 21.0 kgf, 41.9 ± 46.3 lbf)
Valve lifterLifter diameter
Lifter bore diameter
Oil clearance STD
Maximum30.966 ± 30.976 mm (1.2191 ± 1.2195 in.)
31.000 ± 31.016 mm (1.2205 ± 1.2211 in.)
0.024 ± 0.050 mm (0.0009 ± 0.0020 in.)
0.07 mm (0.0028 in.)
CamshaftThrust clearance STD
Maximum
Cam lobe height STD Intake
Exhaust
Maximum Intake
Exhaust
Journal diameter
Journal oil clearance STD
Maximum
Circle runout Maximum0.080 ± 0.190 mm (0.0031 ± 0.0075 in.)
0.30 mm (0.0118 in.)
44.310 ± 44.360 mm (1.7445 ± 1.7465 in.)
44.250 ± 44.350 mm (1.7421 ± 1.7461 in.)
44.16 mm (1.7386 in.)
44.10 mm (1.7362 in.)
28.949 ± 28.965 mm (1.1397 ± 1.1404 in.)
0.035 ± 0.072 mm (0.0014 ± 0.0028 in.)
0.10 mm (0.0039 in.)
0.08 mm (0.0031 in.)
Air intake
chamberWarpage Maximum0.15 mm (0.0059 in.)
ManifoldWarpageMaximum Intake
Exhaust0.15 mm (0.0059 in.)
0.50 mm (0.0196 in.)
Cylinder blockCylinder head surface warpage Maximum
Cylinder bore diameter STD
Maximum
Main bearing bolt diameter STD
Minimum0.07 mm (0.0028 in.)
86.000 ± 86.013 mm (3.3858 ± 3.3863 in.)
86.02 mm (3.3866 in.)
9.96 ± 9.97 mm (0.3921 ± 0.3925 in.)
9.7 mm (0.382 in.)
Connecting
rodThrust clearance STD
Maximum
Connecting bolt diameter STD
Minimum
Connecting rod oil clearance STD STD
U/S 0.25
Maximum STD
U/S 0.25
Connecting rod bearing center wall thickness
(Reference) STD Mark 1
Mark 2
Mark 3
Mark 4
Mark 5
Bushing inside diameter
Piston pin diameter
Piston pin oil clearance STD
Maximum
Rod out ± of alignment Maximum per 100 mm (3.94 in.)
Rod twist Maximum per 100 mm (3.94 in.)0.250 ± 0.402 mm (0.0098 ± 0.0158 in.)
0.50 mm (0.0197 in.)
8.1 ± 8.3 mm (0.319 ± 0.327 in.)
8.0 mm (0.315 in.)
0.023 ± 0.041 mm (0.0009 ± 0.0016 in.)
0.028 ± 0.066 mm (0.0011 ± 0.0026 in.)
0.07 mm (0.0027 in.)
0.08 mm (0.0031 in.)
1.498 ± 1.501 mm (0.0590 ± 0.0591 in.)
1.501 ± 1.504 mm (0.0591 ± 0.0592 in.)
1.504 ± 1.507 mm (0.0592 ± 0.0593 in.)
1.507 ± 1.510 mm (0.0593 ± 0.0594 in.)
1.510 ± 1.513 mm (0.0594 ± 0.0596 in.)
22.005 ± 22.014 mm (0.8663 ± 0.8667 in.)
21.997 ± 22.006 mm (0.8660 ± 0.8664 in.)
0.005 ± 0.011 mm (0.0002 ± 0.0004 in.)
0.05 mm (0.0020 in.)
0.05 mm (0.0020 in.)
0.15 mm (0.0059 in.)

± SERVICE SPECIFICATIONSENGINE MECHANICAL (2JZ±GE)
SS±7
163 Author: Date:
2000 LEXUS GS300/GS400 (RM718U) Piston and
Piston ring
Piston diameter
Piston oil clearance STD
Maximum
Piston ring groove clearance No.1
No.2
Piston ring end gap STD No.1
No.2
Oil
Maximum No.1
No.2
Oil85.935 ± 85.945 mm (3.3833 ± 3.3837 in.)
0.055 ± 0.078 mm (0.0022 ± 0.0031 in.)
0.10 mm (0.0039 in.)
0.011 ± 0.070 mm (0.0004 ± 0.0028 in.)
0.030 ± 0.070 mm (0.0012 ± 0.0028 in.)
0.300 ± 0.470 mm (0.0118 ± 0.0185 in.)
0.350 ± 0.520 mm (0.0138 ± 0.0205 in.)
0.130 ± 0.450 mm (0.0051 ± 0.0177 in.)
1.07 mm (0.0421 in.)
1.12 mm (0.0441 in.)
1.05 mm (0.0413 in.)
CrankshaftThrust clearance STD
Maximum
Thrust washer thickness STD
Main journal oil clearance STD STD
U/S 0.25
Maximum STD
U/S 0.25
Main journal diameter STD
U/S 0.25
Main bearing center wall thickness (Reference)
Mark 1
Mark 2
Mark 3
Mark 4
Mark 5
Crank pin diameter STD
U/S 0.25
Circle runout Maximum
Main journal taper and out±of±roundMaximum
Crank pin taper and out±of±roundMaximum0.020 ± 0.220 mm (0.0008 ± 0.0087 in.)
0.30 mm (0.0118 in.)
1.940 ± 1.990 mm (0.0764 ± 0.0783 in.)
0.026 ± 0.040 mm (0.0010 ± 0.0016 in.)
0.025 ± 0.061 mm (0.0010 ± 0.0024 in.)
0.06 mm (0.0024 in.)
0.08 mm (0.0031 in.)
61.984 ± 62.000 mm (2.4403 ± 2.4409 in.)
61.745 ± 61.755 mm (2.4309 ± 2.4313 in.)

1.994 ± 1.997 mm (0.0785 ± 0.0786 in.)
1.997 ± 2.000 mm (0.0786 ± 0.0787 in.)
2.000 ± 2.003 mm (0.0787 ± 0.0789 in.)
2.003 ± 2.006 mm (0.0789 ± 0.0790 in.)
2.006 ± 2.009 mm (0.0790 ± 0.0791 in.)
51.982 ± 52.000 mm (2.0465 ± 2.0472 in.)
51.745 ± 51.755 mm (2.0372 ± 2.0376 in.)
0.06 mm (0.0024 in.)
0.02 mm (0.0008 in.)
0.02 mm (0.0008 in.)

SS0F3±01
± SERVICE SPECIFICATIONSSTEERING
SS±57
213 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
STEERING
SERVICE DATA
POWER STEERING FLUID
Fluid level rise Maximum5 mm (0.20 in.)
Fluid pressure at idle speed with valve closed Minimum8,336 kPa (85 kgf/cm2, 1,209 psi)
STEERING WHEEL
Steering wheel freeplayMaximum30 mm (1.18 in.)
Steering effort at idle speedMaximum7 N´m (70 kgf´cm, 61 in.´lbf)
PS VANE PUMP
2JZ±GE Engine:
Vane pump rotating torqueMaximum0.25 N´m (2.5 kgf´cm, 2.2 in.´lbf)
Oil clearance between pump shaft and bushing STD0.03 ± 0.05 mm (0.0012 ± 0.0020 in.)
Oil clearance between pump shaft and bushingMaximum0.07 mm (0.0028 in.)
Vane plate heightMinimum8.6 mm (0.339 in.)
Vane plate thickness Minimum1.40 mm (0.0551 in.)
Vane plate lengthMinimum14.99 mm (0.5902 in.)
Clearance between the rotor groove and plateMaximum0.033 mm (0.0013 in.)
Vane plate length Pump rotor and cam ring mark
NONE14.999 ± 15.001 mm (0.59051 ± 0.59059 in.)
114.997 ± 14.999 mm (0.59043 ± 0.59051 in.)
214.995 ± 14.997 mm (0.59035 ± 0.59043 in.)
314.993 ± 14.995 mm (0.59027 ± 0.59035 in.)
414.991 ± 14.993 mm (0.59020 ± 0.59027 in.)
Spring free lengthMinimum33.2 mm (1.307 in.)
1UZ±FE Engine:
Vane pump rotating torqueMaximum0.25 N´m (2.5 kgf´cm, 2.2 in.´lbf)
Oil clearance between pump shaft and bushing STD0.03 ± 0.05 mm (0.0012 ± 0.0020 in.)
Oil clearance between pump shaft and bushingMaximum0.07 mm (0.0028 in.)
Vane plate heightMinimum8.0 mm (0.315 in.)
Vane plate thickness Minimum1.77 mm (0.0697 in.)
Vane plate lengthMinimum14.97 mm (0.5894 in.)
Clearance between the rotor groove and plateMaximum0.035 mm (0.0014 in.)
Vane plate length Pump rotor and cam ring mark
NONE14.996 ± 14.998 mm (0.59039 ± 0.59047 in.)
114.994 ± 14.996 mm (0.59032 ± 0.59039 in.)
214.992 ± 14.994 mm (0.59024 ± 0.59032 in.)
314.990 ± 14.992 mm (0.59016 ± 0.59024 in.)
414.988 ± 14.990 mm (0.59008 ± 0.59016 in.)
Spring free lengthMinimum36.0 mm (1.42 in.)
POWER STEERING GEAR
Steering rack runout Maximum0.30 mm (0.0118 in.)
Total preload (Control valve rotating torque)0.5 ± 1.7 N´m (4.7 ± 17.2 kgf´cm, 4.1 ± 14.9 in.´lbf)
PROGRESSIVE POWER STEERING (PPS)
PPS solenoid valve resistance6 ± 11 W

SS0F4±03
SS±58
± SERVICE SPECIFICATIONSSTEERING
214 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
TORQUE SPECIFICATION
Part tightenedN´mkgf´cmft´lbf
STEERING COLUMN
Steering wheel pad set screw (Torx screw)8.89078 in.´lbf
Steering wheel set nut3536026
Intermediate shaft assembly x Control valve shaft3536026
No.2 intermediate shaft assembly x Intermediate shaft assembly3536026
Column assembly set nut2526019
No.2 intermediate shaft assembly x Main shaft3536026
Column tube support set bolt2020415
Tilt slider assembly set bolt2323017
POWER STEERING VANE PUMP
2JZ±GE Engine:
Union bolt4950036
Pump assembly set bolt5859043
Vane pump pulley set nut4344032
Front housing x Rear housing2424017
Oil reservoir set bolt Front131309
Rear2424017
Solenoid valve x Front housing51 (69)524 (700)38 (51)
1UZ±FE Engine:
Union bolt4950036
Pump assembly set bolt4344032
Pump assembly set nut4344032
Vane pump pulley set nut4344032
Front housing x Rear bracket3940029
Suction port union set bolt131309
Air control valve2930022
Solenoid valve x Front housing51 (69)524 (700)38 (51)
POWER STEERING GEAR
Intermediate shaft assembly x Control valve shaft3536026
Pressure feed and return tube set union bolt4243031
PS gear assembly set bolt6566048
Tube clamp set bolt55548 in.´lbf
Turn pressure tube20 (25)203 (250)15 (18)
Tie rod end Lock nut5556041
Rack end x Steering rack76 (103)770 (1,050)56 (76)
Rack guide spring cap lock nut51 (69)521 (700)38 (51)
Rack guide spring cap2525018
Control valve assembly set bolt1818513
Bearing guide nut2525018
Cylinder end stopper5960043
( ): For use without SST

SS0CN±02
SS±60
± SERVICE SPECIFICATIONSBODY ELECTRICAL
216 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
BODY ELECTRICAL
SERVICE DATA
DAYTIME RUNNING LIGHT RELAY (MAIN) (Wire Harness Side)
1 ± Ground (Ignition switch position LOCK or ACC)No voltage
1 ± Ground (Ignition switch position ON or START)Battery positive voltage
5 ± Ground (Engine Stop)No voltage
5 ± Ground (Engine Running)Battery positive voltage
7 ± Ground (Constant)Battery positive voltage
9 ± Ground (Constant)Battery positive voltage
AUTOMATIC LIGHT CONTROL SENSOR
(Connector disconnected)
4 ± Ground (Ignition switch position LOCK or ACC)No voltage
4 ± Ground (Ignition switch position ON)5.2 ± 9.0 V
(Connector connected)
1 ± Ground (Ignition switch position LOCK or ACC)No voltage
1 ± Ground (Ignition switch position ON)9.5 V or more
HEADLIGHT BEAM LEVEL CONTROL ECU
(Connector disconnected)
A1 ± A5 (Ignition switch position OFF)26 ± 30 W
A1 ± A6 (Ignition switch position OFF)26 ± 30 W
A1 ± A7 (Ignition switch position OFF)26 ± 30 W
A1 ± A8 (Ignition switch position OFF)26 ± 30 W
A4 ± B4 (Ignition switch position ON and light control switch HEAD)Below 1.5 V
B1 ± B3 (Ignition switch position OFF)3.5 k ± 6.5 kW
B5 ± B7 (Ignition switch position OFF)3.5 k ± 6.5 kW
(Connector disconnected)
B2 ± B3 (Ignition switch position ON)Approx. 2.5 V
B6 ± B7 (Ignition switch position ON)Approx. 2.5 V
B1 ± B3 (Ignition switch position ON)5V
B5 ± B7 (Ignition switch position ON)5V
TURN SIGNAL FLASHER
1 ± Ground (Ignition switch position LOCK or ACC)No voltage
1 ± Ground (Ignition switch position ON)Battery positive voltage
4 ± Ground (Constant)Battery positive voltage
LIGHT FAILURE RELAY (Wire Harness Side)
5 ± Ground (Light control switch position OFF)No voltage
5 ± Ground (Light control switch position TAIL or HEAD)Battery positive voltage
8 ± Ground (Ignition switch position LOCK or ACC)No voltage
8 ± Ground (Ignition switch position ON)Battery positive voltage
9 ± Ground (Stop light switch position OFF)No voltage
9 ± Ground (Stop light switch position ON)Battery positive voltage
10 ± Ground (Stop light switch position OFF)No voltage
10 ± Ground (Stop light switch position ON)Battery positive voltage
SPEEDOMETER (ON±VEHICLE)
USA:

± SERVICE SPECIFICATIONSBODY ELECTRICAL
SS±61
217 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)Standard indication (mph)
Allowable range (mph)
2018 ± 24
4038 ± 44
6056 ± 66
8078 ± 88
10098 ± 110
120118 ± 132
CANADA:
Standard indication (km/h)Allowable range (km/h)
2017 ± 24
4038 ± 46
6057.5 ± 67
8077 ± 88
10096 ± 109
120115 ± 130
160134 ± 151.5
SpeedometerResistance (W)
A ± B140 ± 185 W
C ± D130 ± 175 W
TACHOMETER (ON±VEHICLE)/ DC 13.5 V 25 °C at (77 °F)
Standard indicationAllowable range
700630 ± 770
1,000900 ± 1,100
2,0001,850 ± 2,150
3,0002,800 ± 3,200
4,0003,800 ± 4,200
5,0004,800 ± 5,200
6,0005,750 ± 6,250
7,0006,700 ± 7,300
TachometerResistance (W)
A ± B140 ± 185 W
C ± D130 ± 175 W
FUEL RECEIVER GAUGEResistance (W)
A ± B140 ± 185 W
C ± D130 ± 175 W
FUEL MAIN SENDER GAUGE
Float position mm (in.)Resistance (W)
F: Approx. 34.6 (1.36) ± 3 (0.12)Approx. 2.0 ± 1.0
1/2: Approx. 52.4 (2.06) ± 3 (0.12)Approx. 26.1 ± 3.0
E: Approx. 134.9 (5.31) ± 3 (0.12)Approx. 48..7 ± 1.0
FUEL SUB SENDER GAUGE
Float position mm (in.)Resistance (W)
F: Approx. 9.5 (0.37) ± 3 (0.12)Approx. 2.0 ± 1.0
1/2: Approx. 110.5 (4.35) ± 3 (0.12)Approx. 33.0 ± 3.0
E: Approx. 206.5 (8.13) ± 3 (0.12)Approx. 61.3 ± 1.0
ENGINE COOLANT TEMPERATURE RECEIVER GAUGE (Resistance)Resistance (W)

SS±62
± SERVICE SPECIFICATIONSBODY ELECTRICAL
218 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)A ± B
140 ± 185 W
C ± D130 ± 175 W
ENGINE COOLANT TEMPERATURE SENDER GAUGE (Resistance)
Temperature °C (°F)Resistance (W)
50 (122.0)160 ± 240
120 (248.0)17.1 ± 21.2
DEFOGGER SWITCH (wire harness side)
A2 ± Ground (Ignition switch position LOCK or ACC)No voltage
A2 ± Ground (Ignition switch position ON)Battery positive voltage
WIRELESS DOOR LOCK CONTROL RECEIVER
(Connector disconnected)
7 ± Ground (Constant)Battery positive voltage
(Connector connected)
3 ± Ground (Ignition switch position OFF, Key removed,
Transmitter OFF " ON)4.5 ± 5.5 V " below 1 V
3 ± Ground (Ignition switch position OFF, Key removed,
Transmitter OFF " ON)4.5 ± 5.5 V " below 1 V
4 ± Ground (Ignition switch position OFF, Key removed,
Transmitter OFF)10 ± 14 V
CD AUTO CHANGER
(Except Nakamichi made)
5 ± Ground (Constant)Battery positive voltage
12 ± Ground (Ignition switch position LOCK)No voltage
12 ± Ground (Ignition switch position ACC or ON)Battery positive voltage
POWER AMPLIFIER
(Except Nakamichi made)
B4 ± Ground (Constant)Battery positive voltage
C12 ± Ground (Ignition switch position LOCK)No voltage
C12 ± Ground (Ignition switch position ACC or ON)Battery positive voltage
RADIO RECEIVER
(Except Nakamichi made)
A4 ± Ground (Constant)Battery positive voltage
A1 ± Ground (Ignition switch position ACC or ON)Battery positive voltage
A1 ± Ground (Ignition switch position LOCK)No voltage
CD AUTO CHANGER
(Nakamichi made)
5 ± Ground (Constant)Battery positive voltage
4 ± Ground (Ignition switch position LOCK)No voltage
4 ± Ground (Ignition switch position ACC or ON)Battery positive voltage
POWER AMPLIFIER
(Nakamichi made)
A2 ± Ground (Constant)Battery positive voltage
A5 ± Ground (Constant)Battery positive voltage
A6 ± Ground (Ignition switch position OFF)Battery positive voltage
A6 ± Ground (Ignition switch position ACC or ON)Battery positive voltage
RADIO RECEIVER