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Engine Mechanical (Service Specifications): Other Lexus IS II facelift 2

SERVICE DATA [08/2012 - ]

Ignition timingTerminals TC and CG of DLC3 connected8 to 12°BTDC at idle (Transmission in neutral)
Terminals TC and CG of DLC3 disconnected5 to 15°BTDC at idle (Transmission in neutral)
Idle speed650 to 750 rpm (Transmission in neutral)
CompressionCompression pressure1.4 MPa (14 kgf*cm 2 , 199 psi)
Minimum pressure0.98 MPa (10 kgf*cm 2 , 142 psi)
Difference between each cylinder0.1 MPa (1.0 kgf*cm 2 , 15 psi) or less

ENGINE

Cylinder head set boltStandard10.85 to 11.00 mm (0.4272 to 0.4331 in.)
Minimum10.7 mm (0.4213 in.)
Measuring point100 mm (3.94 in.)
ChainElongationMinimum136.9 mm (5.390 in.)
No. 2 chainElongationMinimum137.6 mm (5.417 in.)
Crankshaft timing gear or sprocketDiameter (w/ Chain)Minimum61.4 mm (2.417 in.)
Idle sprocketDiameter (w/ Chain)Minimum61.4 mm (2.417 in.)
Idle gear shaftIdle gear shaft diameter22.987 to 23.000 mm (0.9050 to 0.9055 in.)
Idle gear inside diameter23.020 to 23.030 mm (0.9063 to 0.9067 in.)
Oil clearanceStandard0.020 to 0.043 mm (0.0008 to 0.0017 in.)
Maximum0.093 mm (0.0037in.)
No. 2 chain tensioner assemblyWorn depthMaximum0.9 mm (0.035 in.)
No. 3 chain tensioner assemblyWorn depthMaximum0.9 mm (0.035 in.)
Chain tensioner slipperWorn depthMaximum1.0 mm (0.039 in.)
No. 1 chain vibration damperWorn depthMaximum1.0 mm (0.039 in.)
No. 2 chain vibration damperWorn depthMaximum1.0 mm (0.039 in.)
Cylinder head sub-assemblyStandardCylinder head lower0.05 mm (0.0020 in.)
Intake0.08 mm (0.0031 in.)
Exhaust0.08 mm (0.0031 in.)
WarpageMaximum0.10 mm (0.0039 in.)
Intake valveValve stem diameter5.470 to 5.485 mm (0.2154 to 0.2159 in.)
Margin thicknessStandard1.0 mm (0.03937 in.)
Maximum0.5 mm (0.0197 in.)
Overall lengthStandard106.15 mm (4.1791 in.)
Maximum105.65 mm (4.1594 in.)
Exhaust valveValve stem diameter5.465 to 5.480 mm (0.2151 to 0.2157 in.)
Margin thicknessStandard0.81 mm (0.0319 in.)
Maximum0.31 mm (00.122 in.)
Overall lengthStandard111.70 mm (4.3976 in.)
Maximum111.20 mm (4.3779 in.)
Inner compression springFree length57.46 mm (2.2622 in.)
DeviationMaximum1.0 mm (0.039 in.)
Angle (reference)Maximum
Intake valve guide bushInside diameter5.510 to 5.530 mm (0.2169 to 0.2177 in.)
Oil clearanceStandard0.030 to 0.060 mm (0.0012 to 0.0024 in.)
Maximum0.08 mm (0.0032 in.)
Bush bore diameterUse STD10.285 to 10.306 (0.4049 to 0.4057 in.)
Use O/S 0.0510.335 to 10.356 mm (0.4069 to 0.4077 in.)
Protrusion height10.20 to 10.24 mm (0.4016 to 0.4031 in.)
Exhaust valve guide bushInside diameter5.510 to 5.530 mm (0.2169 to 0.2177 in.)
Oil clearanceStandard0.025 to 0.065 mm (0.0010 to 0.0026 in.)
Maximum0.01 mm (0.00039 in.)
Bush bore diameterUse STD10.285 to 10.306 mm (0.4049 to 0.4057 in.)
Use O/S 0.0510.335 to 10.356 mm (0.4069 to 0.4077 in.)
Protrusion height9.30 to 9.34mm (0.3661 to 0.3677 in.)
No. 1 camshaft (Intake)Journal diameterNo. 1 journal35.946 to 35.960 mm (1.4152 to 1.4157 in.)
Other journals25.959 to 25.975 mm (1.0220 to 1.0226 in.)
Circuit runoutMaximum0.04 mm (0.0016 in.)
Cam lobe heightStandard43.940 to 44.040 mm (1.7299 to 1.7339 in.)
Maximum43.790 mm (1.7240 in.)
Oil clearanceStandard No. 1 journal0.031 to 0.078 mm (0.0012 to 0.0031 in.)
Other journals0.025 to 0.062 (0.00098 to 0.0024 in.)
Maximum No. 1 journal0.10 mm (0.0039 in.)
Other journals0.09 mm (0.0035 in.)
Thrust clearanceStandard0.08 to 0.13 mm (0.0031 to 0.0051 in.)
Maximum0.15 mm (0.006 in.)
No. 2 camshaft (Exhaust)Journal diameterNo. 1 journal35.946 to 35.960 mm (1.4152 to 1.4157 in.)
Other journals25.959 to 25.975 mm (1.0220 to 1.0226 in.)
Circuit runoutMaximum0.04 mm (0.0016 in.)
Cam lobe heightStandard44.090 to 44.190 mm (1.7358 to 1.7398 in.)
Maximum43.940 mm (1.7299 in.)
Oil clearanceStandard No. 1 journal0.031 to 0.078 mm (0.0012 to 0.0031 in.)
Other journals0.025 to 0.062 (0.00098 to 0.0024 in.)
Maximum No. 1 journal0.10 mm (0.0039 in.)
Other journals0.09 mm (0.0035 in.)
Thrust clearanceStandard0.08 to 0.13 mm (0.0031 to 0.0051 in.)
Maximum0.15 mm (0.006 in.)
No. 3 camshaft (Intake)Journal diameterNo. 1 journal35.946 to 35.960 mm (1.4152 to 1.4157 in.)
Other journals25.959 to 25.975 mm (1.0220 to 1.0226 in.)
Circuit runoutMaximum0.04 mm (0.0016 in.)
Cam lobe heightStandard43.940 to 44.040 mm (1.7299 to 1.7339 in.)
Maximum43.790 mm (1.7240 in.)
Oil clearanceStandard No. 1 journal0.031 to 0.078 mm (0.0012 to 0.0031 in.)
Other journals0.025 to 0.062 (0.00098 to 0.0024 in.)
Maximum No. 1 journal0.10 mm (0.0039 in.)
Other journals0.09 mm (0.0035 in.)
Thrust clearanceStandard0.08 to 0.13 mm (0.0031 to 0.0051 in.)
Maximum0.15 mm (0.006 in.)
No. 4 camshaft (Exhaust)Journal diameterNo. 1 journal35.946 to 35.960 mm (1.4152 to 1.4157 in.)
Other journals25.959 to 25.975 mm (1.0220 to 1.0226 in.)
Circuit runoutMaximum0.04 mm (0.0016 in.)
Cam lobe heightStandard44.090 to 44.190 mm (1.7358 to 1.7398 in.)
Maximum43.940 mm (1.7299 in.)
Oil clearanceStandard No. 1 journal0.031 to 0.078 mm (0.0012 to 0.0031 in.)
Other journals0.025 to 0.062 (0.00098 to 0.0024 in.)
Maximum No. 1 journal0.10 mm (0.0039 in.)
Other journals0.09 mm (0.0035 in.)
Thrust clearanceStandard0.08 to 0.13 mm (0.0031 to 0.0051 in.)
Maximum0.15 mm (0.006 in.)
Ring pin for cylinder head sub-assemblyProtrusion height2.5 to 3.8 mm (0.098 to 0.150 in.)
Straight pin for cylinder head sub-assemblyProtrusion height17.5 to 19.5 mm (0.689 to 0.768 in.)
Connecting rod thrust clearanceStandard0.25 to 0.40 mm (0.0098 to 0.0157 in.)
Maximum0.50 mm (0.020 in.)
Connecting rod oil clearanceStandard0.042 to 0.068 mm (0.0017 to 0.0027 in.)
Maximum0.070 mm (0.0028 in.)
Connecting rod diameterMark151.000 to 51.006 mm (2.0079 to 2.0081 in.)
Mark251.007 to 51.012 mm (2.0081 to 2.0083 in.)
Mark351.013 to 51.018 mm (2.0084 to 2.0086 in)
Mark451.019 to 51.024 mm (2.0086 to 2.0088 in.)
Connecting rod beating center wall thicknessMark11.484 to 1.487 mm (0.0584 to 0.0585 in.)
Mark21.487 to 1.490 mm (0.0585 to 0.0587 in.)
Mark31.490 to 1.493 mm (0.0587 to 0.0588 in)
Mark41.493 to 1.496 mm (0.0588 to 0.0589 in.)
Crankshaft thrust clearanceStandard0.040 to 0.240 mm (0.00158 to 0.00944 in.)
Maximum0.30 mm (0.0118 in.)
Thrust washer thickness2.43 to 2.48 mm (0.0957 to 0.0976 in.)
Cylinder block warpageMaximum0.07 mm (0.0028 in.)
Cylinder bore diameterStandard83.000 to 83.012 mm (3.2677 to 3.2682 in.)
Maximum83.200 mm (3.2756 in.)
Piston diameterDistance14.3 mm (0.563 in.)
Standard82.966 to 82.996 mm (3.2664 to 3.2676 in.)
Minimum82.836 mm (3.2613 in.)
Piston oil clearanceStandard0.014 to 0.036 mm (0.0006 to 0.0014 in.)
Maximum0.09 mm (0.0035 in.)
Connecting rod out-of alignmentMaximum0.05 mm (0.0020 in.) per 100 mm (3.94 in.)
Connecting rod twistMaximum0.15 mm (0.0059 in.) per 100 mm (3.94 in.)
Piston pin hole inside diameterMark A21.998 to 22.001 mm (0.8661 to 0.8662 in.)
Mark B22.001 to 22.004 mm (0.8662 to 0.8663 in.)
Mark C22.004 to 22.007 mm (0.8663 to 0.8664 in.)
Piston pin diameterMark A21.997 to 22.000 mm (0.8660 to 0.8661 in.)
Mark B22.000 to 22.003 mm (0.8661 to 0.8663 in.)
Mark C22.003 to 22.006 mm (0.8663 to 0.8664 in.)
Piston pin oil clearanceStandard0.002 to 0.004 mm (-0.00007 to 0.0001 in.)
Maximum0.015 mm (0.0006 in.)
Connecting rod bushing inside diameterMark A22.005 to 22.008 mm (0.8663 to 0.8665 in.)
Mark B22.009 to 22.011 mm (0.8665 to 0.8666 in.)
Mark C22.011 to 22.014 mm (0.8666 to 0.8667 in.)
Connecting rod bushing oil clearanceStandard0.005 to 0.011 mm (0.0002 to 0.0004 in.)
Maximum0.03 mm (0.0012 in.)
Piston ring groove clearanceNo. 10.040 to 0.080 mm (0.0016 to 0.0031 in.)
No. 20.030 to 0.070 mm (0.0012 to 0.0028 in.)
Oil0.020 to 0.065 mm (0.0008 to 0.0026 in.)
Piston ring end gapStandard No. 10.28 to 0.38 mm (0.0110 to 0.0150 in.)
No. 20.35 to 0.45 mm (0.0138 to 0.0178 in.)
Oil (Side rail)0.13 to 0.38 mm (0.0051 to 0.0150 in.)
Maximum No. 10.50 mm (0.0197 in.)
No. 20.80 mm (0.0315 in.)
Oil (Side rail)0.65 mm (0.0256 in.)
Connecting rod bolt diameterStandard7.2 to 7.3 mm (0.284 to 0.287 in.)
Minimum7.0 mm (0.276 in.)
Crankshaft bearing cap set bolt diameterStandard10.8 to 11.0 mm (0.4252 to 0.4331 in.)
Minimum10.7 mm (0.4213 in.)
Measuring point47 mm (1.85 in.)
Crankshaft circle runoutMaximum0.06 mm (0.0024 in.)
Main journal diameter60.988 to 61.000 mm (2.4011 to 2.4016 in.)
Main journal taper and out-of -roundMaximum0.02 mm (0.0008 in.)
Crankshaft pin diameter47.992 to 48.000 mm (1.8894 to 1.8898 in.)
Crank pin taper and out-of-roundMaximum0.02 mm (0.0008 in.)
Crankshaft oil clearanceStandard0.026 to 0.047 mm (0.0010 to 0.0019 in.)
Minimum0.050 mm (0.0020 in.)
Standard upper bearing center wall thickness (No. 1 and No. 4 journal)Mark 12.500 to 2.503 mm (0.0984 to 0.0985 in.)
Mark 22.503 to 2.506 mm (0.0985 to 0.0987 in.)
Mark 32.506 to 2.509 mm (0.0987 to 0.0988 in.)
Mark 42.509 to 2.512 mm (0.0988 to 0.0989 in.)
Mark 52.512 to 2.515 mm (0.0989 to 0.0990 in.)
Standard lower bearing center wall thickness (No. 1 and No. 4 journal)Mark 12.478 to 2.481 mm (0.0976 to 0.0977 in.)
Mark 22.481 to 2.484 mm (0.0977 to 0.0978 in.)
Mark 32.484 to 2.487 mm (0.0978 to 0.0979 in.)
Mark 42.487 to 2.490 mm (0.0979 to 0.0980 in.)
Mark 52.490 to 2.493 mm (0.0980 to 0.0981 in.)
Standard upper bearing center wall thickness (No. 2 and No. 3 journal)Mark 12.478 to 2.481 mm (0.0976 to 0.0977 in.)
Mark 22.481 to 2.484 mm (0.0977 to 0.0978 in.)
Mark 32.484 to 2.487 mm (0.0978 to 0.0979 in.)
Mark 42.487 to 2.490 mm (0.0979 to 0.0980 in.)
Mark 52.490 to 2.493 mm (0.0980 to 0.0981 in.)
Standard lower bearing center wall thickness (No. 2 and No. 3 journal)Mark 12.500 to 2.503 mm (0.0984 to 0.0985 in.)
Mark 22.503 to 2.506 mm (0.0985 to 0.0987 in.)
Mark 32.506 to 2.509 mm (0.0987 to 0.0988 in.)
Mark 42.509 to 2.512 mm (0.0988 to 0.0989 in.)
Mark 52.512 to 2.515 mm (0.0989 to 0.0990 in.)
Straight pin for cylinder block sub-assemblyProtrusion heightPin A23 mm (0.906 in.)
Pin B6 mm (0.236 in.)
Pin C11 mm (0.433 in.)
Pin D9 mm (0.354 in.)
Tight plug for cylinder blockDepth0.2 to 1.2 mm (0.007 to 0.047 in.)

ENGINE UNIT