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Engine Mechanical (Service Specifications): Other Lexus CT I

SERVICE DATA

Ignition timingWith Terminals TC and CG of DLC3 connected8 to 12°BTDC at idle
With Terminals TC and CG of DLC3 disconnected0 to 14°BTDC at idle
Idle speed950 to 1050 rpm
CompressionCompression pressure813 kPa (8.3 kgf/cm 2 , 118 psi)
Minimum pressure617 kPa (6.3 kgf/cm 2 , 89.5 psi)
Difference between each cylinder100 kPa (1.0 kgf/cm 2 , 14.5 psi)
Oil pump drive gearMinimum gear diameter (with chain)48.2 mm (1.90 in.)
Oil pump drive shaft gearMinimum gear diameter (with chain)48.2 mm (1.90 in.)
Crankshaft timing gearMinimum gear diameter (with chain)51.1 mm (2.01 in.)
Chain tensioner slipperMaximum wear1.0 mm (0.0394 in.)
No. 1 chain vibration damperMaximum wear1.0 mm (0.0394 in.)
No. 2 chain vibration damperMaximum wear1.0 mm (0.0394 in.)
Chain tensioner plateMaximum wear1.0 mm (0.0394 in.)
Cylinder head set boltStandard bolt length146.8 to 148.2 mm (5.78 to 5.83 in.)
Maximum bolt length149.2 mm (5.87 in.)
Cylinder head set boltStandard outside diameter9.77 to 9.96 mm (0.385 to 0.392 in.)
Minimum outside diameter9.4 mm (0.3701 in.)
Ring pin (Cylinder head)Protrusion6.5 to 7.5 mm (0.256 to 0.295 in.)
Ring pin (Crankcase)Protrusion height3.0 mm (0.118 in.)
Straight pin (Camshaft housing)Protrusion height6.5 to 7.5 mm (0.256 to 0.295 in.)
No. 1 camshaft bearingDimension A-B0.7 mm (0.0276 in.) or less
No. 2 camshaft bearingDimension A1.05 to 1.75 mm (0.0413 to 0.0689 in.)
Camshaft housingSeal diameter3.5 to 4.5 mm (0.138 to 0.177 in.)
Chain sub-assemblyMaximum chain elongation115.2 mm (4.54 in.)
No. 2 Chain sub-assemblyMaximum chain elongation102.1 mm (4.02 in.)
Camshaft timing gear assemblyMinimum gear diameter (with chain)96.8 mm (3.81 in.)
Camshaft timing sprocketMinimum gear diameter (with chain)96.8 mm (3.81 in.)
No. 1 camshaft
Maximum circle runout0.04 mm (0.00157 in.)
Standard cam lobe height41.779 to 41.879 mm (1.6448 to 1.6488 in.)
Minimum cam lobe height41.629 mm (1.6389 in.)
No. 1 journal diameter34.449 to 34.465 mm (1.3563 to 1.3569 in.)
Other journal diameter22.949 to 22.965 mm (0.90350 to 0.90413 in.)
Standard thrust clearanceIntake0.06 to 0.155 mm (0.00236 to 0.00610 in.)
Maximum thrust clearance0.17 mm (0.00669 in.)
Standard oil clearanceCamshaft No. 1 journal0.030 to 0.063 mm (0.00118 to 0.00248 in.)
Camshaft Other journals0.035 to 0.072 mm (0.00138 to 0.00283 in.)
Maximum oil clearance camshaft No. 1 journal0.085 mm (0.00335 in.)
Maximum oil clearance camshaft other journals0.09 mm (0.00354 in.)
No. 2 Camshaft
Maximum circle runout0.04 mm (0.00157 in.)
Standard cam lobe height43.346 to 43.446 mm (1.7065 to 1.7105 in.)
Minimum cam lobe height43.196 mm (1.7006 in.)
No. 1 journal diameter34.449 to 34.465 mm (1.3563 to 1.3569 in.)
Other journal diameter22.949 to 22.965 mm (0.90350 to 0.90413 in.)
Standard thrust clearanceExhaust0.06 to 0.155 mm (0.00236 to 0.00610 in.)
Maximum thrust clearance0.17 mm (0.00669 in.)
Standard oil clearanceCamshaft No. 1 journal0.030 to 0.063 mm (0.00118 to 0.00248 in.)
Camshaft Other journals0.035 to 0.072 mm (0.00138 to 0.00283 in.)
Maximum oil clearance camshaft No. 1 journal0.085 mm (0.00335 in.)
Maximum oil clearance camshaft other journals0.09 mm (0.00354 in.)
Exhaust manifoldMaximum warpage0.7 mm (0.0276 in.)
Cylinder head
Maximum warpageCylinder block side0.05 mm (0.00197 in.)
Intake manifold side0.10 mm (0.00394 in.)
Exhaust manifold side0.10 mm (0.00394 in.)
Compression springFree length53.36 mm (2.10 in.)
Maximum deviation1.0 mm (0.0394 in.)
Intake valveStandard overall length109.34 mm (4.30 in.)
Minimum overall length108.84 mm (4.29 in.)
Valve stem diameter5.470 to 5.485 mm (0.215 to 0.216 in.)
Standard margin thickness1.0 mm (0.0394 in.)
Minimum margin thickness0.5 mm (0.0197 in.)
Valve seat width1.0 and 1.4 mm (0.0394 and 0.0551 in.)
Exhaust valveStandard overall length108.25 mm (4.26 in.)
Minimum overall length107.75 mm (4.24 in.)
Valve stem diameter5.465 to 5.480 mm (0.215 to 0.216 in.)
Standard margin thickness1.0 mm (0.0394 in.)
Minimum margin thickness0.5 mm (0.0197 in.)
Valve seat width1.0 and 1.4 mm (0.0394 and 0.551 in)
Intake valve guide bushBush inside diameter5.510 to 5.530 mm (0.217 to 0.218 in.)
Standard bush oil clearance0.025 to 0.060 mm (0.00984 to 0.00236 in.)
Maximum bush oil clearance0.080 mm (0.00315 in.)
Bush bore diameterStandard10.285 to 10.306 mm (0.405 to 0.406 in.)
Use STD10.333 to 10.344 mm (0.4068 to 0.4072 in.)
Use O/S 0.0510.383 to 10.394 mm (0.4088 to 0.4092 in.)
Protrusion height9.9 to 10.3 mm (0.390 to 0.406 in.)
Standard oil clearance0.025 to 0.060 mm (0.000984 to 0.00236 in.)
Exhaust valve guide bushBush inside diameter5.510 to 5.530 mm (0.217 to 0.218 in.)
Standard oil clearance0.030 to 0.065 mm (0.00118 to 0.00256 in.)
Maximum oil clearance0.085 mm (0.00335 in.)
Bush bore diameterStandard10.285 to 10.306 mm (0.405 to 0.406 in.)
Use STD10.333 to 10.344 mm (0.4068 to 0.4072 in.)
Use O/S 0.0510.383 to 10.394 mm (0.4088 to 0.4092 in.)
Protrusion height11.15 to 11.55 mm (0.439 to 0.455 in.)
Standard oil clearance0.030 to 0.065 mm (0.00118 to 0.00256 in.)
Protrusion height (ring pin)6.5 to 7.5 mm (0.256 to 0.295 in.)
Valve seat width1.0 to 1.4 mm (0.0394 to 0.0551 in.)
Connecting rod
Standard thrust clearance0.160 to 0.342 mm (0.00630 to 0.0135 in.)
Maximum thrust clearance0.342 mm (0.0135 in.)
Standard oil clearance0.014 to 0.038 mm (0.000551 to 0.00150 in.)
Maximum oil clearance0.070 mm (0.00276 in.)
Connecting rod bearing thicknessMark 11.489 to 1.493 mm (0.05862 to 0.05878 in.)
Mark 21.494 to 1.497 mm (0.05882 to 0.05894 in.)
Mark 31.498 to 1.501 mm (0.05898 to 0.05909 in.)
Connecting rod small end bore diameter20.012 to 20.021 mm (0.78787 to 0.78823 in.)
Connecting rod small end bore diameter (Reference)Mark A20.012 to 20.015 mm (0.78787 to 0.78799 in.)
Mark B20.016 to 20.018 mm (0.78803 to 0.78811 in.)
Mark C20.019 to 20.021 mm (0.78815 to 0.78823 in.)
Connecting rod large end bore diameter (Resistance)Mark 147.000 to 47.008 mm (1.85039 to 1.85070 in.)
Mark 247.009 to 47.016 mm (1.85074 to 1.85102 in.)
Mark 347.017 to 47.024 mm (1.85106 to 1.85133 in.)
Crankshaft pin diameter43.992 to 44.000 mm (1.7320 to 1.7323 in.)
Standard oil clearance0.005 to 0.011 mm (0.000197 to 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 blockMaximum warpage0.05 mm (0.00197 in.)
Standard cylinder bore diameter80.500 to 80.513 mm (3.169 to 3.170 in.)
Maximum cylinder bore diameter80.63 mm (3.174 in.)
Protrusion height (ring pin)7.5 to 8.5 mm (0.295 to 0.335 in.)
Protrusion height (straight pin)Pin A18.5 to 19.5 mm (0.728 to 0.768 in.)
Pin B5.0 to 7.0 mm (0.197 to 0.276 in.)
Pin C11 to 13 mm (0.433 to 0.512 in.)
Pin D8.0 to 10.0 mm (0.315 to 0.394 in.)
Pin E5.0 to 6.0 mm (0.197 to 0.236 in.)
No. 1 ventilation caseSeal packing2.0 to 3.0 mm (0.0787 to 0.118in.)
Piston
Standard piston diameter80.461 to 80.471 mm (3.1677 to 3.1681 in.)
Standard piston oil clearance0.009 to 0.042 mm (0.000354 to 0.00165 in.)
Maximum piston oil clearance0.08 mm (0.00315 in.)
Piston pin bore diameter20.006 to 20.015 mm (0.78764 to 0.78799 in.)
Piston pin bore diameter (Reference)Mark A20.006 to 20.009 mm (0.78764 to 0.78775 in.)
Mark B20.010 to 20.012 mm (0.78779 to 0.78787 in.)
Mark C20.013 to 20.015 mm (0.78791 to 0.78799 in.)
Piston ring
Ring groove clearanceNo. 1 Ring0.02 to 0.07 mm (0.000787 to 0.00276 in.)
No. 2 Ring0.02 to 0.055 mm (0.000787 to 0.00217 in.)
Oil Ring0.02 to 0.06 mm (0.000787 to 0.00236 in.)
Standard end gapNo. 1 Ring0.20 to 0.30 mm (0.00787 to 0.0118 in.)
No. 2 Ring0.30 to 0.45 mm (0.0118 to 0.0177 in.)
Oil Ring0.10 to 0.35 mm (0.00394 to 0.0138 in.)
Maximum end gapNo. 1 Ring0.50 mm (0.0197 in.)
No. 2 Ring0.70 mm (0.0276 in.)
Oil Ring0.70 mm (0.0276 in.)
Piston pin
Piston pin diameter20.004 to 20.013 mm (0.78756 to 0.78791 in.)
Piston pin diameter (Resistance)Mark A20.004 to 20.007 mm (0.78756 to 0.78768 in.)
Mark B20.008 to 20.010 mm (0.78771 to 0.78779 in.)
Mark C20.011 to 20.013 mm (0.78783 to 0.78791 in.)
Standard oil clearance0.001 to 0.005 mm (-0.0000394 to 0.000197 in.)
Maximum oil clearance0.010 mm (0.000394 in.)
Connecting rod boltStandard diameter6.6 to 6.7 mm (0.260 to 0.264 in.)
Minimum diameter6.4 mm (0.252 in.)
Crankshaft
Standard thrust clearance0.04 to 0.14 mm (0.00157 to 0.00551 in.)
Maximum thrust clearance0.18 mm (0.00709 in.)
Thrust washer thickness2.43 to 2.48 mm (0.0957 to 0.0976 in.)
Cylinder block journal bore diameter (Reference)Mark 052.000 to 52.002 mm (2.04724 to 2.04732 in.)
Mark 152.003 to 52.004 mm (2.04736 to 2.04740 in.)
Mark 252.005 to 52.006 mm (2.04744 to 2.04752 in.)
Mark 352.007 to 52.009 mm (2.04752 to 2.04759 in.)
Mark 452.010 to 52.011 mm (2.04763 to 2.04767 in.)
Mark 552.012 to 52.013 mm (2.04771 to 2.04775 in.)
Mark 652.014 to 52.016 mm (2.04779 to 2.04787 in.)
Main journal diameter47.988 to 48.000 mm (1.8893 to 1.8898 in.)
Maximum taper and distortion0.004 mm (0.000157 in.)
Main journal diameter (Reference)Mark 047.999 to 48.000 mm (1.88972 to 1.88976 in.)
Mark 147.997 to 47.998 mm (1.88964 to 1.88968 in.)
Mark 247.995 to 47.996 mm (1.88956 to 1.88960 in.)
Mark 347.993 to 47.994 mm (1.88948 to 1.88952 in.)
Mark 447.991 to 47.992 mm (1.88941 to 1.88945 in.)
Mark 547.988 to 47.990 mm (1.88929 to 1.88937 in.)
Crankshaft journal diameter (Reference)Mark 047.999 to 48.000 mm (1.88972 to 1.88976 in.)
Mark 147.997 to 47.998 mm (1.88964 to 1.88968 in.)
Mark 247.995 to 47.996 mm (1.88956 to 1.88961 in.)
Mark 347.993 to 47.994 mm (1.88948 to 1.88952 in.)
Mark 447.991 to 47.992 mm (1.88941 to 1.88945 in.)
Mark 547.988 to 47.990 mm (1.88929 to 1.88937 in.)
Standard main bearing center wall thickness (Reference)Mark 11.994 to 1.997 mm (0.07850 to 0.07862 in.)
Mark 21.998 to 2.000 mm (0.07866 to 0.07874 in.)
Mark 32.001 to 2.003 mm (0.07878 to 0.07886 in.)
Mark 42.004 to 2.006 mm (0.07890 to 0.07898 in.)
Maximum circle runout0.03 mm (0.00118 in.)
Standard oil clearance0.016 to 0.039 mm (0.000630 to 0.00154 in.)
Maximum oil clearance0.050 mm (0.00197 in.)
Crank pin diameter43.992 to 44.000 mm (1.7320 to 1.7323 in.)
Maximum taper and distortion0.004 mm (0.000157 in.)
Crankshaft bearing cap set boltStandard diameter84.3 to 85.7 mm (3.32 to 3.37 in.)
Minimum diameter86.7 mm (3.41 in.)
Crankshaft bearingDimension A0.5 to 1.0 mm (0.0197 to 0.0394 in.)
Dimension A-B0.5 mm (0.0197 in.) or less