LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> RX 400h AWD >> Repair and Diagnosis >> General Information >> OEM General Information >> Service Specifications >> 3MZ-FE Engine Mechanical >> Service Data
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Service Data

3MZ-FE ENGINE MECHANICAL - SERVICE DATA

Battery specific gravity at 20°C (68°F) 1.25 to 1.29
Ignition timing Terminals TC and CG of DLC3 connected 8 to 12° BTDC
Terminals TC and CG of DLC3 disconnected 7 to 24° BTDC
Idle speed 850 to 950 r/min
Compression Compression pressure 0.98 MPa (10 kgf/cm2 , 142 psi) or more
Minimum pressure 0.74 MPa (7.5 kgf/cm2 , 107 psi)
Difference between each cylinder 100 kPa (1.0 kgf/cm2 , 15 psi) or less
Valve clearance at cold Intake 0.15 to 0.25 mm (0.0059 to 0.0098 in.)
Exhaust 0.25 to 0.35 mm (0.0098 to 0.0138 in.)
Camshaft
Maximum circle runout 0.06 mm (0.0024 in.)
Specified cam lobe height STD Intake 43.132 to 43.232 mm (1.6981 to 1.7020 in.)
Exhaust 43.010 to 43.110 mm (1.6933 to 1.6972 in.)
Minimum Intake 42.98 mm (1.6921 in.)
Exhaust 42.86 mm (1.6874 in.)
Camshaft Journal diameter 26.959 to 26.975 mm (1.0614 to 1.0620 in.)
Gear backlash STD 0.020 to 0.200 mm (0.0008 to 0.0079 in.)
Maximum 0.30 mm (0.0118 in.)
Journal thrust clearance STD 0.040 to 0.090 mm (0.0016 to 0.0035 in.)
Maximum 0.12 mm (0.0047 in.)
Journal oil clearance Intake #4, #5 0.025 to 0.057 mm (0.0010 to 0.0022 in.)
Other 0.025 to 0.062 mm (0.0010 to 0.0024 in.)
Maximum 0.10 mm (0.0039 in.)
Cylinder head set bolt
Specified outside diameter at tension portion 8.75 to 9.05 mm (0.3524 to 0.3563 in.)
Cylinder head
Maximum warpage Cylinder block side 0.05 mm (0.0020 in.)
Intake manifold side 0.10 mm (0.0039 in.)
Exhaust manifold side 0.10 mm (0.0039 in.)
Valve clearance at cold Intake 0.15 to 0.25 mm (0.0059 to 0.0098 in.)
Exhaust 0.25 to 0.35 mm (0.0098 to 0.0138 in.)
Intake valve
Valve overall length STD Intake 95.45 mm (3.7579 in.)
Exhaust 95.40 mm (3.7559 in.)
Minimum Intake 94.95 mm (3.7382 in.)
Exhaust 94.90 mm (3.7362 in.)
Valve stem diameter Intake 5.470 to 5.485 mm (0.2154 to 0.2159 in.)
Exhaust 5.465 to 5.480 mm (0.2152 to 0.2157 in.)
Margin thickness STD Intake 1.0 mm (0.039 in.)
Exhaust 0.5 mm (0.020 in.)
Minimum Intake 1.0 mm (0.039 in.)
Exhaust 0.5 mm (0.020 in.)
Inner Compression Spring
Free length 45.50 mm (1.7913 in.)
Maximum deviation 2.0 mm (0.079 in.)
Installed tension at 33.8 mm (1.331 in.) 186 to 206 N (19.0 to 21.0 kgf, 41.9 to 46.3 Lbf)
Valve guide bush
Bush inside diameter 5.510 to 5.530 mm (0.2169 to 0.2177 in.)
Specified bush oil clearance Intake 0.025 to 0.060 mm (0.0010 to 0.0024 in.)
Exhaust 0.030 to 0.065 mm (0.0012 to 0.0026 in.)
Maximum Intake 0.08 mm (0.0031 in.)
Exhaust 0.10 mm (0.0039 in.)
Cylinder head valve guide bush bore diameter STD 10.295 to 10.313 mm (0.4053 to 0.4060 in.)
O/S 0.05 10.345 to 10.363 mm (0.4073 to 0.4080 in.)
Bush diameter STD 10.333 to 10.344 mm (0.4068 to 0.4072 in.)
O/S 0.05 10.383 to 10.394 mm (0.4088 to 0.4092 in.)
Bush length Intake 34.5 mm (1.358 in.)
Exhaust 40.5 mm (1.594 in.)
Valve lifter
Lifter diameter 30.966 to 30.976 mm (1.2191 to 1.2195 in.)
Lifter bore diameter 31.009 to 31.025 mm (1.2208 to 1.2215 in.)
Specified oil clearance STD 0.033 to 0.059 mm (0.0013 to 0.0023 in.)
Maximum 0.07 mm (0.0028 in.)
Connecting rod
Thrust clearance STD 0.15 to 0.30 mm (0.0059 to 0.0118 in.)
Maximum 0.35 mm (0.0138 in.)
Connecting rod thickness 20.80 to 20.85 mm (0.8189 to 0.08209 in.)
Connecting rod oil clearance STD 0.038 to 0.066 mm (0.0015 to 0.0026 in.)
Maximum 0.08 mm (0.0031 in.)
Connecting rod bearing center wall thickness Mark1 1.484 to 1.487 mm (0.0584 to 0.0585 in.)
Mark2 1.488 to 1.490 mm (0.0586 to 0.0587 in.)
Mark3 1.491 to 1.493 mm (0.0587 to 0.0588 in.)
Mark4 1.494 to 1.496 mm (0.0588 to 0.0589 in.)
Crankshaft
Crankshaft thrust clearance STD 0.04 to 0.24 mm (0.0016 to 0.0094 in.)
Maximum 0.30 mm (0.0118 in.)
Thrust washer thickness 1.93 to 1.98 mm (0.0760 to 0.0780 in.)
Specified main journal oil clearance No.1 and No.2 journals (STD) 0.014 to 0.031 mm (0.0006 to 0.0013 in.)
Maximum 0.05 mm (0.020 in.)
No.3 and No.4 journals (STD) 0.026 to 0.043 mm (0.0010 to 0.0018 in.)
Maximum 0.06 mm (0.024 in.)
Cylinder block main journal bore diameter (Reference) Mark00 66.000 mm (2.5984 in.)
Mark01 66.001 mm (2.5985 in.)
Mark02 66.002 mm (2.5985 in.)
Mark03 66.003 mm (2.5985 in.)
Mark04 66.004 mm (2.5986 in.)
Mark05 66.005 mm (2.5986 in.)
Mark06 66.006 mm (2.5987 in.)
Mark07 66.007 mm (2.5987 in.)
Mark08 66.008 mm (2.5987 in.)
Mark09 66.009 mm (2.5988 in.)
Mark10 66.010 mm (2.5988 in.)
Mark11 66.011 mm (2.5989 in.)
Mark12 66.012 mm (2.5989 in.)
Mark13 66.013 mm (2.5989 in.)
Mark14 66.014 mm (2.5990 in.)
Mark15 66.015 mm (2.5990 in.)
Mark16 66.016 mm (2.5990 in.)
Main journal diameter (Reference) Mark00 61.000 mm (4.1016 in.)
Mark01 60.999 mm (4.4015 in.)
Mark02 60.998 mm (4.4015 in.)
Mark03 60.997 mm (4.4015 in.)
Mark04 60.996 mm (4.4014 in.)
Mark05 60.995 mm (4.4014 in.)
Mark06 60.994 mm (4.4013 in.)
Mark07 60.993 mm (4.4012 in.)
Mark08 60.992 mm (4.4012 in.)
Mark09 60.991 mm (4.4012 in.)
Mark10 60.990 mm (4.4012 in.)
Mark11 60.989 mm (4.4011 in.)
Mark12 60.988 mm (4.4011 in.)
Standard main bearing center wall thickness (Reference) Mark1 2.486 to 2.489 mm (0.0979 to 0.0980 in.)
Mark2 2.489 to 2.492 mm (0.0980 to 0.0981 in.)
Mark3 2.492 to 2.495 mm (0.0981 to 0.0982 in.)
Mark4 2.495 to 2.498 mm (0.0982 to 0.0983 in.)
Mark5 2.498 to 2.501 mm (0.0983 to 0.0985 in.)
Mark6 2.501 to 2.504 mm (0.0985 to 0.0986 in.)
Mark7 2.504 to 2.507 mm (0.0986 to 0.0987 in.)
Maximum circle runout 0.06 mm (0.0024 in.)
Main journal taper and out-of-round 60.988 to 61.000 mm (2.4011 to 2.4016 in.)
Maximum crank journal taper and out-of-round 0.02 mm (0.0008 in.)
Crank pin diameter 52.992 to 53.000 mm (2.0863 to 2.0866 in.)
Maximum crank pin taper and out-of-round 0.02 mm (0.0008 in.)
Cylinder block
Maximum warpage Maximum 0.05 mm (0.0020 in.)
Specified cylinder bore diameter STD 92.000 to 92.012 mm (3.6220 to 3.6225 in.)
Maximum 92.080 mm (3.6252 in.)
Piston
Piston diameter 91.975 to 91.989 mm (3.6211 to 3.6216 in.)
Oil clearance STD 0.033 to 0.059 mm (0.0013 to 0.0023 in.)
Maximum 0.13 mm (0.0051 in.)
Connecting rod
Maximum misalignment per 100 mm (3.94 in.) 0.05 mm (0.0020 in.) per 100 mm (3.94 in.)
Maximum rod twist per 100 mm (3.94 in.) 0.15 mm (0.0059 in.) per 100 mm (3.94 in.)
Bush inside diameter 22.005 to 22.014 mm (0.8663 to 0.8667 in.)
Piston pin
Piston pin diameter 21.997 to 22.006 mm (0.8660 to 0.8664 in.)
Oil clearance STD 0.005 to 0.011 mm (0.0002 to 0.0004 in.)
  Maximum 0.05 mm (0.0020 in.)
Piston ring
Piston ring groove clearance No.1 0.03 to 0.08 mm (0.0012 to 0.0031 in.)
No.2 0.02 to 0.06 mm (0.0008 to 0.0024 in.)
Oil (Side rail) 0.03 to 0.11 mm (0.0012 to 0.0043 in.)
End gap No.1 0.30 to 0.40 mm (0.0118 to 0.0157 in.)
Maximum 0.95 mm (0.0374 in.)
No.2 0.50 to 0.60 mm (0.0197 to 0.0236 in.)
Maximum 1.05 mm (0.0413 in.)
Oil (Side rail) 0.15 to 0.40 mm (0.0059 to 0.0157 in.)
Maximum 1.00 mm (0.0394 in.)
Connecting rod bolt
Specified diameter STD 7.2 to 7.3 mm (0.283 to 0.287 in.)
Minimum 7.0 mm (0.276 in.)
Crankshaft bearing cap set bolt
Specified diameter STD 7.5 to 7.6 mm (0.295 to 0.299 in.)
Minimum 7.2 mm (0.283 in.)
scientia non olet · About LEMON Manuals