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Engine's mechanical specifications (A20NFT/LHU)

Engine's mechanical specifications (A20NFT/LHU)

Usage case Specification
Metric English
General data

Engine type


Inline 4-cylinder

Displacement


2.0 L 122 CID

RPO code


LHU

Litres (VIN)


E

Hole


85.992-86.008 mm 3.3880 to 3.3887 inches

Stroke


86 mm 3.388 inches

Compression ratio


9.2:1
Balancer shaft

Bearing play


0.030-0.060 mm 0.0012 to 0.0024 inches

Play diameter - Inside - Holder


20.050-20.063 mm 0.7894 to 0.7899 inches

Play diameter - Outside - Holder


41.975-41.995 mm 1.6526 to 1.6534 inches

Bearing journal diameter


20.000-20.020 mm 0.7874 to 0.7882 inches

Play bearing sleeve


0.033-0.102 mm 0.0013 to 0.0040 inches

Bearing sleeve diameter - Inside


36.775-36.835 mm 1.4489 to 1.4512 inches

Bearing sleeve diameter


36.723-36.743 mm 1.4458 to 1.4466 inches

End play


0.050-0.300 mm 0.0020 to 0.0118 inches
Block

Balancer shaft bearing hole diameter - Holder


42.000-42.016 mm 1.6535 to 1.6542 inches

Balancer shaft bearing sleeve hole diameter


40.763-40.776 mm 1.6048 to 1.6054 inches

Crankshaft main bearing hole diameter


64.068-64.082 mm 2.5224 to 2.5229 inches

Cylinder bore diameter


85.992-86.008 mm 3.3880 to 3.3887 inches

Cylinder bore rotational deviation - max


0.010 mm 0.0004 inches

Cylinder bore conicity - max


0.010 mm 0.0004 inches

Cylinder head gasket flatness - length


0.050 mm 0.002 inches

Cylinder head gasket flatness - total


0.10 mm 0.0039 inches

Cylinder head gasket flatness - diagonal


0.030 mm 0.0012 inches
Camshaft

Camshaft end play


0.040-0.307 mm 0.0016 to 0.0121 inches

Camshaft journal diameter


26.935-26.960 mm 1.0604 to 1.0614 inches

Camshaft journal diameter - front


34.960-34.935 mm 1.3774 to 1.3764 inches

Camshaft pressure surface - with camshaft actuator fitted


30.020-30.175 mm 1.1828 to 1.1889 inches
Clutch rod

Clutch rod bearing play


0.029-0.073 mm 0.0011 to 0.0029 inches

Clutch rod hole diameter - bearing end


52.118-52.134 mm 2.0519 to 2.05252 inches

Clutch rod hole diameter - journal end


23.007-23.017 mm 0.9058 to 0.9062 inches

Clutch rod side play


0.070-0.370 mm 0.0028 to 0.0146 inches

Clutch rod straightness - curvature - max


0.021 mm 0.0083 inches

Clutch rod straightness - turn - max


0.04 mm 0.0157 inches
Crankshaft

Clutch rod journal diameter


49.000-49.014 mm 1.9291 to 1.9297 inches

Crankshaft end play


0.050-0.380 mm 0.0012 to 0.0150 inches

Crankshaft main bearing play


0.031-0.067 mm 0.0012 to 0.0026 inches

Crankshaft main journal diameter


55.994-56.008 mm 2.2045 to 2.2050 inches
Cylinder head

Total height - Minimum


128.9 mm 5.07 inches

Cylinder head gasket straightness - to 150 mm (5.91 inches)


0.05 mm 0.0019 inches

Cylinder head gasket straightness - to 25 mm (0.985 inches)


0.025 mm 0.0009 inches

Between cylinder head bolt holes


0.030 mm 0.0011 inches

Surface flatness - cylinder head gasket - length


0.050 mm 0.002 inches

Surface flatness - cylinder head gasket - total


0.1 mm 0.004 inches

Surface flatness - cylinder head gasket - diagonal


0.030 mm 0.0012 inches

Valve guide hole - exhaust


6.000-6.012 mm 0.2362 to 0.2367 inches

Valve guide hole - intake


6.000-6.012 mm 0.2362 to 0.2367 inches

Tappet hole diameter - fixed play adjuster


12.013-12.037 mm 0.4730 to 0.4739 inches

Angle valve seat - unloading surface


30 degrees

Angle valve seat - seat surface


45 degrees

Angle valve seat - undercut surface


60 degrees

Roundness valve seat - maximum


0.025 mm 0.0010 inches

Side runout valve seat - maximum


0.080 mm 0.0031 inches

Width valve seat - exhaust seat surface


1.600 mm 0.0630 inches

Width valve seat - intake seat surface


1.200 mm 0.0472 inches
Lubricating system

Oil pressure - Minimum - @1000 rpm @ 90 °C (194 °F)


206.84-482.63 kPa 30-70 psi

Filling quantity of oil


5.7 L 6.0 quarts
Piston rings

Piston ring end gap - first compression ring


0.20-0.35 mm 0.0078 to 0.0138 inches

Piston ring end gap - second compression ring


0.35-0.55 mm 0.014 to 0.022 inches

Piston ring end gap - oil control ring - rails


0.25-0.75 mm 0.010 to 0.030 inches

Play between piston ring and groove - first compression ring


0.040-0.080 mm 0.0016 to 0.0031 inches

Play between piston ring and groove - second compression ring


0.003-0.068 mm 0.0001 to 0.0027 inches

Play between piston ring and groove - oil control ring


0.024-0.176 mm 0.0009 to 0.0069 inches

Piston ring thickness - first compression ring


1.170-1.190 mm 0.0461 to 0.0469 inches

Piston ring thickness - second compression ring


1.471-1.490 mm 0.0579 to 0.0587 inches

Piston ring thickness - oil control ring - rails - max


0.473 mm 0.0186 inches

Piston ring thickness - oil control ring - spacer


0.96-1.04 mm 0.0378 to 0.0409 inches
Pistons and bolts

Bolt - clearance between gudgeon pin and clutch rod hole


0.009-0.023 mm 0.0004 to 0.0009 inches

Bolt - clearance between gudgeon pin and gudgeon pin hole


0.005-0.015 mm 0.0002 to 0.0006 inches

Bolt - gudgeon pin diameter


22.995-23.000 mm 0.9053 to 0.9055 inches

Bolt - gudgeon pin end play


0.320-1.278 mm 0.0126 to 0.0503 inches

Piston - piston diameter - at 14.5 mm up


85.967-85.982 mm 3.3845 to 3.3851 inches

Piston - gudgeon pin hole diameter


23.005-23.010 mm 0.9057 to 0.9059 inches

Piston - piston ring groove width - oil control


2.001-2.003 mm 0.0788 to 0.0789 inches

Piston - piston ring groove width - second


1.52-1.54 mm 0.0598 to 0.0606 inches

Piston - piston ring groove width - top


1.23-1.25 mm 0.0484 to 0.0492 inches

Piston - clearance between piston and hole


0.010-0.041 mm 0.0004 to 0.0016 inches
Valve gear

Valves - angle valve surface


45 degrees

Valves - valve contact surface impact - max


0.040 mm 0.0016 inches

Valves - valve seat impact - max


0.080 mm 0.0031 inches

Valves - valve side width - exhaust


1.6000 mm 0.06299 inches

Valves - valve side seat width - intake


1.2000 mm 0.04724 inches

Valves - valve head diameter - exhaust


29.950-30.250 mm 1.1791 to 1.1909 inches

Valves - valve head diameter - intake


34.950-35.250 mm 1.3760 to 1.4154 inches

Valves - valve head outer diameter and bevel height - exhaust


1.1174 mm 0.04399 inches

Valves - valve head outer diameter and bevel height - intake


1.0526 mm 0.04144 inches

Valves - valve spindle diameter - exhaust


5.935-5.950 mm 0.2337 to 0.2343 inches

Valves - valve spindle diameter - intake


5.955-5.970 mm 0.2344 to 0.2355 inches

Valves - valve stem height - closed


32.500 mm 1.2795 inches

Valves - play between valve spindle and guide pin - exhaust


0.050-0.077 mm 0.0020 to 0.0026 inches

Valves - play between valve spindle and guide pin - intake


0.030-0.057 mm 0.0012 to 0.0022 inches

Tappet - tappet diameter - fixed play adjuster


11.986-12.000 mm 0.0005 to 0.0020 inches

Tappet - play between tappet and hole - fixed play adjuster


0.013-0.051 mm 3.2210 to 3.2299 inches

Valve rocker arm - rocker arm ratio


1.68 to 1

Valve rocker arm - rocker arm roller diameter


17.740-17.800 mm 0.6987 to 0.7008 inches

Valve springs - valve spring free length


41.400-44.200 mm 1.6299 to 1.7402 inches

Valve springs - valve springs fitted height - closed


32.500 mm 1.2795 inches

Valve springs - valve springs fitted height - open


22.500 mm 0.8858 inches

Valve springs - valve spring load - closed - at 32.5 mm


245.0-271.0 N 55-61 lb

Valve springs - valve spring load - open - at 22.5 mm


525.0-575.0 N 118-129 lb