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General Information (Engine Mechanical System) - 2.4L: Specifications Kia Optima II рестайлинг

Specifications

DescriptionSpecificationsLimit
General
TypeIn-line, Double Overhead Camshaft
Number of cylinder4
Bore88mm (3.464in)
Stroke97mm (3.819in.)
Total displacement2359cc (143.90cu.in.)
Compression ratio10.5
Firing order1-3-4-2
Valve timing
Intake valve
Opens (ATDC/BTDC)7°/38°
Closes (ABDC)67°/22°
Exhaust
Opens (BBDC)44°/4°
Closes (ATDC)0°/40°
Valve
Valve length
Intake113.18mm (4.4559in.)112.93mm (4.4460in)
Exhaust105.84mm (4.1669in.)105.59mm (4.1570in)
Stem O.D.
Intake5.465 ~ 5.480mm (0.2151 ~ 0.2157in.)
Exhaust5.458 ~ 5.470mm (0.2149 ~ 0.2153in.)
Face angle45.25° ~ 45.75°
Margin
Intake1.02mm (0.0401in.)
Exhaust1.09mm (0.0429in.)
Valve stem to valve guide clearance
Intake0.020 ~ 0.047mm (0.00078 ~ 0.00185in.)0.07mm (0.00275in.)
Exhaust0.030 ~ 0.054mm (0.00118 ~ 0.00212in.)0.09mm (0.00354in.)
Valve guide
Length
Intake43.8 ~ 44.2mm (1.7244 ~ 1.7401in.)
Exhaust43.8 ~ 44.2mm (1.7244 ~ 1.7401in.)
Valve seat
Width of seat contact
Intake1.16 ~ 1.46mm (0.0457 ~ 0.0575in.)
Exhaust1.35 ~ 1.65mm (0.0531 ~ 0.0649in.)
Seat angle44.75° ~ 45.10°
Valve spring
Free length47.44mm (1.8677in.)
Load19.0 ± 0.6kg/35.0mm (41.88 ± 1.32lb/1.3779in.)
Squarences39.8 ± 1.2kg/26.0mm (87.74 ± 2.64lb/1.0236in.)
1.5° MAX.
Valve clearance
Cold (20°C[68°F])
Intake0.17 ~ 0.23mm (0.0067 ~ 0.0090in.)0.10 ~ 0.30mm (0.0039 ~ 0.0118in.)
Exhaust0.27 ~ 0.33mm (0.0106 ~ 0.0129in,)0.20 ~ 0.40mm (0.0078 ~ 0.0157in.)
Cylinder head
Flatness of gasket surfaceMax. 0.05mm (0.0019in.)
Flatness of manifold mounting surfaceMax. 0.10mm (0.0039in.)
Cylinder block
Cylinder bore88.00 ~ 88.03mm (3.4645 ~ 3.4657in.)
Out-of-round and taper of cylinder boreLess than 0.05mm (0.0019in.)
Clearance with piston (To set limits to new parts)0.015 ~ 0.035mm (0.0005 ~ 0.0013in.)
Piston
O.D (To set limits to new parts)87.975 ~ 88.005mm (3.4635 ~ 3.4647in.)
Ring groove width
No. 11.235 ~ 1.250mm (0.0486 ~ 0.0492in.)1.26mm (0.0496in.)
No. 21.230 ~ 1.250mm (0.0484 ~ 0.0492in.)1.26mm (0.0496in.)
OilRing 2.01 ~ 2.03mm (0.0791 ~ 0.0799in.)2.05mm (0.0807in.)
Piston ring
Side clearance
No. 10.05 ~ 0.08mm (0.0019 ~ 0.0031in.)0.1mm (0.004in.)
No. 20.04 ~ 0.08mm (0.0015 ~ 0.0031in.)0.1mm (0.004in.)
Oil ring0.06 ~ 0.13mm (0.0023 ~ 0.0051in.)0.2mm (0.008in.)
End gap
No. 10.15 ~ 0.30mm (0.0059 ~ 0.0118in.)0.6mm (0.0236in.)
No. 20.30 ~ 0.52mm (0.0118 ~ 0.0204in.)0.7mm (0.0275in.)
Oil ring side rail0.20 ~ 0.70mm (0.0078 ~ 0.0275in.)0.8mm (0.0315in.)
Connecting rod
Bend0.05mm (0.0020in.) or less
Twist0.1mm (0.004in.) or less
Connecting rod big end to crankshaft side clearance0.100 ~ 0.250mm (0.0039 ~ 0.010in.)0.35mm (0.0138in.)
Connecting rod bearing
Oil clearance (To seat limits to new parts)0.025 ~ 0.043mm (0.0009 ~ 0.0016in.)0.05mm (0.0078in.)
Camshaft
Cam heightIntake44.20mm (1.7401in.)
Exhaust45.00mm (1.7716in.)
Journal O.DIntakeNo. 130mm (1.1811in.)
No. 2, 3, 45 24mm (0.9449in.)
ExhaustNo. 136mm (1.4173in.)
No. 2, 3, 4, 524mm (0.9449in.)
Bearing oil clearanceIntakeNo. 10.022 ~ 0.057mm (0.0008 ~ 0.0022in.)0.09mm (0.0035in.)
No. 2, 3, 4, 50.045 ~ 0.082mm (0.0017 ~ 0.0032in.)0.12mm (0.0047in.)
ExhaustNo. 10 ~ 0.032mm (0 ~ 0.0012in.)
No. 2, 3, 4, 50.045 ~ 0.082mm (0.0017 ~ 0.0032in.)0.12mm (0.0047in.)
End play0.04 ~ 0.016mm (0.0015 ~ 0.0062in.)0.20mm (0.0047in.)
Crankshaft
Pin O.D.47.954 ~ 47.972mm (1.8879 ~ 1.8886in.)
Journal O.D.51.942 ~ 51.960mm (2.0449 ~ 2.0456in.)
End play0.07 ~ 0.25mm (0.0027 ~ 0.0098in.)
Crankshaft bearing
Oil clearance0.020 ~ 0.038mm (0.0007 ~ 0.0014in.)
Cooling methodWater-cooled, pressurized. Forced circulation with water pump
Radiator
TypePressurized corrugated fin type
Radiator cap
Main valve opening pressure83 ~ 110kpa (12 ~ 16psi, 0.83 ~ 1.1kg/cm 2 )
Vacuum valve opening pressure7kpa (-100psi, -0.07kg/cm 2 ) or less
Thermostat
TypeWax pellet type with jiggle valve
Valve opening temperature82°C (177°F)
Full-opening temperature95°C (201°F)
Coolant pumpCentrifugal type impeller
Drive belt
TypeV-ribbed belt
Engine coolant temperature sensor
TypeHeat-sensitive thermistor type
Resistance2.31 ~ 2.59Kohms at 20°C (68°F)
Air cleaner
TypeDry type
ElementUnwoven cloth type
Exhaust pipe
MufflerExpansion resonance type
Suspension systemRubber hangers

GENERAL INFORMATION CHART

Tightening Torque

ItemN.mKgf.m
Ladder frame bolt (M8 x 55)23.5 ~ 27.42.4 ~ 2.8
Ladder frame bolt (M8 x 103)23.5 ~ 27.42.4 ~ 2.8
Oil pump & Balance shaft module bolt (BSM)16.7+ 60° + 60°1.7 + 60° + 60°
Timing chain cover bolt (M8)18.6 ~ 22.51.9 ~ 2.3
Timing chain cover bolt (M6)7.8 ~ 9.80.8 ~ 1.0
Oil pan bolt (M6 x 10)9.8 ~ 11.81.0 ~ 1.2
Oil pan bolt (M8 x 103)26.5 ~ 30.42.7 ~ 3.1
Engine support bracket bolt (M8 x 30)19.6 ~ 24.52.0 ~ 2.5
Engine support bracket bolt (M10 x 40)39.2 ~ 44.14.0 ~ 4.5
Engine support bracket bolt (M12 x 45)39.2 ~ 44.14.0 ~ 4.5
Camshaft bearing cap bolt (M6)10.8 ~ 12.71.1 ~ 1.3
Camshaft bearing cap bolt (M8)27.4 ~ 31.42.8 ~ 3.2
Cylinder head bolt(32.4~36.3) + (90~95°) + (90~95°)(3.3~3.7) + (90~95°) + (90~95°)
Engine hanger bolt19.6 ~ 27.52.0 ~ 2.8
Cylinder head cover bolt7.8 ~ 9.80.8 ~ 1.0
Crankshaft pulley bolt166.6 ~ 176.417.0 ~ 18.0
Connecting rod bearing cap bolt(17.7~21.6) + (88~92°)(1.8~2.2) + (88~92°)
Main bearing cap bolt14.7 + (27.5~31.4) + (120~125°)1.5 + (2.8~3.2) + (120~125°)
Flywheel bolt117.6 ~ 127.412.0 ~ 13.0
Drive plate bolt117.6 ~ 127.412.0 ~ 13.0
Timing chain tensioner bolt9.8 ~ 11.81.0 ~ 1.2
Timing chain tensioner arm bolt9.8 ~ 11.81.0 ~ 1.2
Timing chain guide bolt9.8 ~ 11.81.0 ~ 1.2
OCV bolt9.8 ~ 11.81.0 ~ 1.2
CVVT bolt53.9 ~ 63.75.5 ~ 6.5
BSM chain tensioner arm bolt9.8 ~ 11.81.0 ~ 1.2
BSM chain guide bolt9.8 ~ 11.81.0 ~ 1.2
BSM chain tensioner bolt9.8 ~ 11.81.0 ~ 1.2
Water pump bolt18.6 ~ 23.51.9 ~ 2.4
A/C compressor bracket bolt19.6 ~ 23.52.0 ~ 2.4
P/S pump bracket bolt44.1 ~ 53.94.5 ~ 5.5
Tensioner & idler bracket bolt39.2 ~ 44.14.0 ~ 4.5
Water temp. control bolt14.7 ~ 19.61.5 ~ 2.0
Water temp. control nut18.6 ~ 23.51.9 ~ 2.4
Water inlet pipe nut18.6 ~ 23.51.9 ~ 2.4
Oil level gauge assembly bolt7.8 ~ 11.80.8 ~ 1.2
Ignition coil bolt3.9 ~ 5.90.4 ~ 0.6
Intake manifold bolt18.6 ~ 23.51.9 ~ 2.4
Intake manifold nut18.6 ~ 23.51.9 ~ 2.4
Intake manifold stay bolt18.6 ~ 23.51.9 ~ 2.4
Exhaust manifold heat protector bolt7.8 ~ 11.80.8 ~ 1.2
Exhaust manifold nut39.2 ~ 58.84.0 ~ 6.0
Exhaust manifold stay bolt (M8)18.6 ~ 27.51.9 ~ 2.8
Exhaust manifold stay bolt (M10)42.2 ~ 53.94.3. ~ 5.5
Muffler bolt39.2 ~ 58.84.0 ~ 6.0
Engine cover mounting bracket bolt7.8 ~ 11.80.8 ~ 1.2
Crankshaft position sensor bolt3.9 ~ 5.90.4 ~ 0.6
Oxygen sensor34.3 ~ 44.13.5 ~ 4.5
Knock sensor16.7 ~ 25.51.7 ~ 2.6
Camshaft position sensor3.9 ~ 5.90.4 ~ 0.6
Oil pressure switch7.8 ~ 11.80.8 ~ 1.2
Oil filter11.8 ~ 15.71.2 ~ 1.6

ITEM TIGHTENING TORQUE SPECIFICATION