Home/Lexus/HS/Lexus HS I (2009-2012)/Repair manual/Mechanical/Engine Mechanical (Service Specifications): Other
Contents Wiring diagrams Section: Mechanical All sections

Engine Mechanical (Service Specifications): Other Lexus HS I

SERVICE DATA

Ignition timingTerminals TC and CG of DLC3 connected8 to 12° BTDC at idle (Transmission in neutral)
Terminals TC and CG of DLC3 disconnected13 to 17° BTDC at idle (Transmission in neutral)
Idle speed850 to 950 rpm (Transmission in neutral)
CompressionCompression pressure1.3 MPa (13.3 kgf/cm 2 , 189 psi)
Minimum pressure1.0 MPa (10.2 kgf/cm 2 , 145 psi)
Difference between each cylinder0.1 MPa (1.0 kgf/cm 2 , 14 psi)
Valve clearance (cold)IntakeStandard0.19 to 0.29 mm (0.00748 to 0.0114 in.)
ExhaustStandard0.38 to 0.48 mm (0.0150 to 0.0189 in.)
Exhaust manifoldWarpageMaximum0.70 mm (0.0276 in.)
Balanceshaft
Thrust clearanceStandard0.05 to 0.09 mm (0.00197 to 0.00354 in.)
Maximum0.09 mm (0.00354 in.)
Oil clearanceStandard0.022 to 0.049 mm (0.000866 to 0.00193 in.)
Maximum0.049 mm (0.00193 in.)
Housing journal bore diameterMark 1Standard26.000 to 26.006 mm (1.0236 to 1.0239 in.)
Mark 2Standard26.007 to 26.012 mm (1.0239 to 1.0241 in.)
Mark 3Standard26.013 to 26.018 mm (1.0241 to 1.0243 in.)
Journal diameterStandard22.985 to 23.000 mm (0.9049 to 0.9055 in.)
Balanceshaft housing bolt lengthStandard58.3 to 59.7 mm (2.295 to 2.350 in.)
Maximum60.3 mm (2.374 in.)
Bearing center wall thicknessMark 1Standard1.486 to 1.489 mm (0.05850 to 0.05862 in.)
Mark 2Standard1.490 to 1.492 mm (0.05866 to 0.05874 in.)
Mark 3Standard1.493 to 1.495 mm (0.05878 to 0.05886 in.)
Oil pump drive gearDiameter (with chain)Minimum48.2 mm (1.898 in.)
Oil pump drive shaft gearDiameter (with chain)Minimum48.2 mm (1.898 in.)
Crankshaft timing gearDiameter (with chain)Minimum51.6 mm (2.031 in.)
Chain tensioner slipperWearMaximum1.0 mm (0.0394 in.)
No. 1 chain vibration damperWearMaximum1.0 mm (0.0394 in.)
Chain tensioner plateWearMaximum0.5 mm (0.01970 in.)
Cylinder head set bolt lengthStandard141.3 to 142.7 mm (5.563 to 5.618 in.)
Maximum144.2 mm (5.677 in.)
Chain sub-assemblyElongationMaximum114.5 mm (4.508 in.)
No. 2 Chain sub-assemblyElongationMaximum102.2 mm (4.024 in.)
Camshaft timing gear assemblyDiameter (with chain)Minimum97.3 mm (3.831 in.)
Camshaft timing sprocketDiameter (with chain)Minimum97.3 mm (3.831 in.)
Camshaft (Intake)
Circle runoutMinimum0.03 mm (0.00118 in.)
Cam lobe heightStandard45.363 to 45.463 mm (1.7859 to 1.7899 in.)
Maximum45.253 mm (1.7816 in.)
No. 1 journal diameterStandard35.971 to 35.985 mm (1.4162 to 1.4167 in.)
Other journal diameterStandard22.959 to 22.975 mm (0.9039 to 0.9045 in.)
Thrust clearanceStandard0.040 to 0.095 mm (0.00157 to 0.00374 in.)
Maximum0.110 mm (0.00433 in.)
Oil clearanceNo. 1 journal bearing mark 1Standard0.007 to 0.038 mm (0.000276 to 0.00150 in.)
No. 1 journal bearing mark 2Standard0.008 to 0.038 mm (0.000315 to 0.00150 in.)
No. 1 journal bearing mark 3Standard0.008 to 0.038 mm (0.000315 to 0.00150 in.)
Other journalsStandard0.025 to 0.062 mm (0.000984 to 0.00244 in.)
Maximum0.070 mm (0.00276 in.)
Cylinder head journal bore diameterMark 140.000 to 40.009 mm (1.57480 to 1.57515 in.)
Mark 240.010 to 40.017 mm (1.57519 to 1.57547 in.)
Mark 340.018 to 40.025 mm (1.57551 to 1.57578 in.)
Bearing center wall thicknessMark 12.000 to 2.004 mm (0.078740 to 0.078897 in.)
Mark 22.005 to 2.008 mm (0.078937 to 0.079055 in.)
Mark 32.009 to 2.012 mm (0.079094 to 0.079212 in.)
Camshaft journal diameter35.971 to 35.985 mm (1.4162 to 1.4167 in.)
Camshaft No. 2 (Exhaust)
Circle runoutMinimum0.03 mm (0.00118 in.)
Cam lobe heightStandard46.063 to 46.163 mm (1.8135 to 1.8174 in.)
Minimum45.953 mm (1.8092 in.)
No. 1 journal diameterStandard35.971 to 35.985 mm (1.4162 to 1.4167 in.)
Other journal diameterStandard22.959 to 22.975 mm (0.9039 to 0.9045 in.)
Thrust clearanceStandard0.080 to 0.135 mm (0.00315 to 0.00532 in.)
Maximum0.150 mm (0.00591 in.)
Oil clearanceNo. 1 journalStandard0.040 to 0.079 mm (0.00157 to 0.00311 in.)
Other journalsStandard0.025 to 0.062 mm (0.000984 to 0.00244 in.)
Maximum0.100 mm (0.00394 in.)
Cylinder head journal bore diameterMark 140.000 to 40.009 mm (1.57480 to 1.57515 in.)
Mark 240.010 to 40.017 mm (1.57519 to 1.57547 in.)
Mark 340.018 to 40.025 mm (1.57551 to 1.57578 in.)
Bearing center wall thicknessMark 12.000 to 2.004 mm (0.078740 to 0.078897 in.)
Mark 22.005 to 2.008 mm (0.078937 to 0.079055 in.)
Mark 32.009 to 2.012 mm (0.079094 to 0.079212 in.)
Camshaft journal diameter35.971 to 35.985 mm (1.4162 to 1.4167 in.)
Cylinder head
WarpageCylinder block sideMaximum0.08 mm (0.00315 in.)
Intake manifold sideMaximum0.08 mm (0.00315 in.)
Exhaust manifold sideMaximum0.08 mm (0.00315 in.)
Inner compression springFree lengthStandard47.43 mm (1.867 in.)
DeviationMaximum1.6 mm (0.0630 in.)
Intake valveOverall lengthStandard101.71 mm (4.0043 in.)
Minimum101.21 mm (3.9846 in.)
Valve stem diameterStandard5.470 to 5.485 mm (0.2154 to 0.2159 in.)
Margin thicknessStandard1.05 to 1.45 mm (0.0413 to 0.0571 in.)
Minimum0.50 mm (0.0197 in.)
Exhaust valveOverall lengthStandard101.15 mm (3.9823 in.)
Minimum100.70 mm (3.9646 in.)
Valve stem diameterStandard5.465 to 5.480 mm (0.2152 to 0.2157 in.)
Margin thicknessStandard1.20 to 1.60 mm (0.0472 to 0.0630 in.)
Minimum0.50 mm (0.0197 in.)
Intake valve guide bushInside diameterStandard5.510 to 5.530 mm (0.2169 to 0.2177 in.)
Oil clearanceStandard0.025 to 0.060 mm (0.000984 to 0.00236 in.)
Minimum0.080 mm (0.00315 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 height9.6 to 10.0 mm (0.3779 to 0.3937 in.)
Exhaust valve guide bushBush inside diameterStandard5.510 to 5.530 mm (0.2169 to 0.2177 in.)
Oil clearanceStandard0.030 to 0.065 mm (0.00118 to 0.00256 in.)
Minimum0.10 mm (0.00394 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 height9.6 to 10.0 mm (0.3779 to 0.3937 in.)
Valve lifterDiameterStandard30.966 to 30.976 mm (1.2191 to 1.2195 in.)
Bore diameterStandard31.009 to 31.025 mm (1.2208 to 1.2215 in.)
Oil clearanceStandard0.033 to 0.059 mm (0.00130 to 0.00232 in.)
Maximum0.07 mm (0.00276 in.)
Connecting rod
Thrust clearanceStandard0.160 to 0.362 mm (0.00630 to 0.0143 in.)
Maximum0.362 mm (0.0143 in.)
Oil clearanceStandard0.032 to 0.063 mm (0.00126 to 0.00248 in.)
Maximum0.063 mm (0.00248 in.)
Connecting Rod Large End Bore DiameterMark 151.000 to 51.007 mm (2.0079 to 2.0082 in.)
Mark 251.008 to 51.013 mm (2.0082 to 2.0084 in.)
Mark 351.014 to 51.020 mm (2.0084 to 2.0087 in.)
Connecting rod bearing center wall thickness (Reference)Mark 11.485 to 1.488 mm (0.058464 to 0.058583 in.)
Mark 21.489 to 1.491 mm (0.058622 to 0.058701 in.)
Mark 31.492 to 1.494 mm (0.058740 to 0.058819 in.)
Connecting rod small end bore diameterStandard22.005 to 22.014 mm (0.86634 to 0.86670 in.)
Connecting rod small end bore diameter (Reference)Mark A22.005 to 22.008 mm (0.86634 to 0.86645 in.)
Mark B22.009 to 22.011 mm (0.86649 to 0.86657 in.)
Mark C22.012 to 22.014 mm (0.86661 to 0.86670 in.)
Oil clearanceStandard0.005 to 0.011 mm (0.000197 to 0.000433 in.)
Maximum0.011 mm (0.000433 in.)
Maximum rod out-of alignment per 100 mm (3.94 in.)0.05 mm (0.00197 in.)
Maximum rod twist per 100 mm (3.94 in.)0.15 mm (0.00591 in.)
Cylinder block
WarpageMaximum0.05 mm (0.00197 in.)
Cylinder bore diameterStandard88.500 to 88.513 mm (3.4843 to 3.4847 in.)
Maximum88.63 mm (3.4894 in.)
Piston
Piston diameterStandard88.469 to 88.479 mm (3.4830 to 3.4834 in.)
Piston oil clearanceStandard0.021 to 0.044 mm (0.000827 to 0.00173 in.)
Maximum0.10 mm (0.00394 in.)
Piston pin bore diameterStandard22.001 to 22.010 mm (0.86618 to 0.86653 in.)
Piston pin bore diameter (Reference)Mark A22.001 to 22.004 mm (0.86618 to 0.86630 in.)
Mark B22.005 to 22.007 mm (0.86634 to 0.86642 in.)
Mark C22.008 to 22.010 mm (0.86646 to 0.86653 in.)
Piston ring
Ring groove clearanceNo. 1 RingStandard0.020 to 0.070 mm (0.000787 to 0.00276 in.)
No. 2 RingStandard0.020 to 0.060 mm (0.000787 to 0.00236 in.)
Oil RingStandard0.020 to 0.070 mm (0.000787 to 0.00276 in.)
End gapNo. 1 RingStandard0.24 to 0.31 mm (0.00945 to 0.0122 in.)
Maximum0.89 mm (0.0350 in.)
No. 2 RingStandard0.33 to 0.43 mm (0.0130 to 0.0169 in.)
Maximum1.37 mm (0.0539 in.)
Oil RingStandard0.10 to 0.30 mm (0.00394 to 0.0118 in.)
Maximum0.73 mm (0.0287 in.)
Piston pin
Piston pin diameterStandard21.997 to 22.006 mm (0.8660 to 0.8664 in.)
Piston pin diameter (Reference)Mark A21.997 to 22.000 mm (0.86602 to 0.86614 in.)
Mark B22.001 to 22.003 mm (0.86618 to 0.86626 in.)
Mark C22.004 to 22.006 mm (0.86630 to 0.86638 in.)
Oil clearanceStandard0.001 to 0.007 mm (0.0000394 to 0.000276 in.)
Maximum0.010 mm (0.000394 in.)
Connecting rod bolt diameterStandard7.2 to 7.3 mm (0.283 to 0.287 in.)
Maximum7.0 mm (0.276 in.)
Crankshaft
Thrust clearanceStandard0.040 to 0.240 mm (0.00157 to 0.00945 in.)
Maximum0.30 mm (0.0118 in.)
Thrust washer thicknessStandard1.930 to 1.980 mm (0.0760 to 0.0780 in.)
Cylinder block main journal bore diameter (Reference)Mark 059.000 to 59.002 mm (2.32283 to 2.32291 in.)
Mark 159.003 to 59.004 mm (2.32295 to 2.32299 in.)
Mark 259.005 to 59.006 mm (2.32303 to 2.32307 in.)
Mark 359.007 to 59.009 mm (2.32311 to 2.32318 in.)
Mark 459.010 to 59.011 mm (2.32322 to 2.32326 in.)
Mark 559.012 to 59.013 mm (2.32330 to 2.32334 in.)
Mark 659.014 to 59.016 mm (2.32338 to 2.32346 in.)
Main journal diameterStandard54.988 to 55.000 mm (2.1649 to 2.1654 in.)
Main journal diameter (Reference)Mark 054.999 to 55.000 mm (2.16531 to 2.16535 in.)
Mark 154.997 to 54.998 mm (2.16523 to 2.16527 in.)
Mark 254.995 to 54.996 mm (2.16515 to 2.16519 in.)
Mark 354.993 to 54.994 mm (2.16507 to 2.16511 in.)
Mark 454.991 to 54.992 mm (2.16500 to 2.16504 in.)
Mark 554.988 to 54.990 mm (2.16488 to 2.16496 in.)
Main bearing center wall thickness (Reference)Mark 11.993 to 1.996 mm (0.078464 to 0.078583 in.)
Mark 21.997 to 1.999 mm (0.078622 to 0.078701 in.)
Mark 32.000 to 2.002 mm (0.078740 to 0.078819 in.)
Mark 42.003 to 2.005 mm (0.078858 to 0.078937 in.)
Circle runoutMaximum0.03 mm (0.00118 in.)
Oil clearanceStandard0.017 to 0.040 mm (0.000669 to 0.00157 in.)
Maximum0.060 mm (0.00236 in.)
Main journal taper and out-of-roundMaximum0.003 mm (0.000118 in.)
Crank pin taper and out-of roundMaximum0.003 mm (0.000118 in.)
Crank pin diameterStandard47.990 to 48.000 mm (1.8894 to 1.8898 in.)
Crankshaft bearing cap set bolt diameterStandard7.5 to 7.6 mm (0.295 to 0.299 in.)
Minimum7.5 mm (0.295 in.)