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Engine and Transaxle Assembly

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General Information - Engine Mechanical: Specifications Hyundai Elantra III facelift

Mechanical

Specifications

Description		Specifications	Limit
General
Type		In-line, Double Overhead Camshaft
Number of cylinder		4
Bore		82mm (3.228in)
Stroke		93.5mm (3.681in)
Total displacement		1975cc (120.52cu.in)
Compression ratio		10.1 : 1
Firing order		1 - 3 - 4 - 2
Valve timing
Intake valve	Opens	ATDC 11° ~ BTDC 29°
Intake valve	Closes	ABDC 59° ~ 19°
Exhaust	Opens	BBDC 42°
Exhaust	Closes	ATDC 6°
Valve
Valve length	Intake	114.34mm (4.5016in)
Valve length	Exhaust	116.8mm (4.598in)
Stem outer diameter	Intake	5.965 ~ 5.98mm (0.2348 ~ 0.2354in)
Stem outer diameter	Exhaust	5.950 ~ 5.965mm (0.2343 ~ 0.2348in)
Face angle thickness of valve head (Margin)
Intake		1.6±0.15mm (0.0630±0.0059in)	0.8mm (0.031in)
Exhaust		1.8±0.15mm (0.0709±0.0059in)	1.0mm (0.039in)
Valve stem to valve guide clearance
Intake		0.02 ~ 0.05mm (0.0008 ~ 0.0019in)	0.10mm (0.0039in)
Exhaust		0.035 ~ 0.065mm (0.0014 ~ 0.0026in)	0.13mm (0.0051in)
Valve guide
Installed dimension outer diameter	Intake	45.8~46.2mm (1.8031~1.8189in)
Installed dimension outer diameter	Exhaust	52.8~53.2mm (2.0787~2.0945in)
Service oversize		0.05, 0.25, 0.50mm (0.002, 0.010, 0.020in) oversize
Valve seat
Width of seat contact	Intake	1.1 ~ 1.5mm (0.043 ~ 0.059in)
Width of seat contact	Exhaust	1.3 ~ 1.7mm (0.051 ~ 0.066in)
Oversize		0.3, 0.6mm (0.012, 0.024in) oversize
Valve spring
Free length		48.86mm (1.9236in)
Load		18.8k±0.9kg/39.0mm (41.4±2.0lb/1.5354in) 41.0±1.5kg/30.5mm (90.4±3.3lb/1.2008in)
Squareness		1.5° or less
Valve clearance
Cold (20°C[68°F])	Intake	0.20mm (0.0079in)	0.17~0.23mm (0.0067~0.0091in)
Cold (20°C[68°F])	Exhaust	0.28mm (0.0110in)	0.25~0.31mm (0.0098~0.0122in)
Hot (80°C [176°F]) : only for reference	Intake	0.29mm (0.0114in)
Hot (80°C [176°F]) : only for reference	Exhaust	0.34mm (0.0134in)
Cylinder head
Flatness of gasket surface		Max. 0.03mm (0.0012in)	0.06mm (0.0024in)
Flatness of manifold mounting surface		Max. 0.15mm (0.0059in)	0.03mm (0.0012in)
Oversize rework dimensions of valve seat hole
Intake	0.3mm (0.012in) O.S.	33.300 ~ 33.325mm (1.3110 ~ 1.3120in)
Intake	0.6mm (0.024in) O.S.	33.600 ~ 33.625mm (1.3228 ~ 1.3238in)
Exhaust	0.3mm (0.012in) O.S.	28.800 ~ 28.821mm (1.1338 ~ 1.1346in)
Exhaust	0.6mm (0.024in) O.S.	29.100 ~ 29.121mm (1.1456 ~ 1.1465in)
Oversize rework dimensions of valve guide hole (both intake and exhaust)
0.05mm (0.002in) O.S		11.05 ~ 11.068mm (0.435 ~ 0.4357in)
0.25mm (0.010in) O.S		11.25 ~ 11.268mm (0.443 ~ 0.4436in)
0.50mm (0.020in) O.S		11.50 ~ 11.518mm (0.453 ~ 0.4535in)
Cylinder block
Cylinder bore		82.00 ~ 82.03mm (3.2283 ~ 3.2295in)
Out-of-round and taper of cylinder bore		Less than 0.01mm (0.0004in)
Clearance with piston (To set limits to new parts)		0.02 ~ 0.04mm (0.0008 ~ 0.0016in)
Piston
Outer diameter (To set limits to new parts)		81.97 ~ 82.00mm (3.2271 ~ 3.2283in)
Service oversize		0.25, 0.50mm (0.010, 0.020in) oversize
Piston ring
Side clearance	No. 1	0.04 ~ 0.08mm (0.0015 ~ 0.0031in)	0.1mm (0.004in)
Side clearance	No. 2	0.03 ~ 0.07mm (0.0012 ~ 0.0027in)
End gap	No. 1	0.20 ~ 0.35mm (0.0079 ~ 0.0138in)	1mm (0.039in)
End gap	No. 2	0.37 ~ 0.52mm (0.0146 ~ 0.0205in)	1mm (0.039in)
Oil ring side rail		0.20 ~ 0.60mm (0.0078 ~ 0.0236in)	1mm (0.039in)
Service oversize		0.25, 0.50mm (0.010, 0.020in.) oversize
Piston pin
Outer diameter		20.001 ~ 20.006mm (0.7874 ~ 0.7876in)
Hole inner diameter		20.016 ~ 20.021mm (0.7880 ~ 0.7882in)
Hole clearance		0.010 ~ 0.020mm (0.0004 ~ 0.0008in)
Connecting rod small end inner diameter		19.974 ~ 19.985mm (0.7864 ~ 0.7868in)
Connecting rod
Bend		0.05mm (0.0020in) or less
Twist		0.1mm (0.004in) or less
Connecting rod big end to crankshaft side clearance		0.100 ~ 0.250mm (0.0039 ~ 0.010in)	0.4mm (0.0157in)
Connecting rod bearing
Oil clearance (To seat limits to new parts)		0.024 ~ 0.042mm (0.0009 ~ 0.0017in)
Undersize		0.25mm (0.01in)
Camshaft
Cam height	Intake	44.618mm (1.7566in)	44.518mm (1.7527in)
Cam height	Exhaust	44.518mm (1.7527in)	44.418mm (1.7487in)
Journal outer diameter		28mm (1.1023in)
Bearing oil clearance		0.02 ~ 0.061mm (0.0008 ~ 0.0024in)	0.1mm (0.0039in)
End play		0.1 ~ 0.2mm (0.0040 ~ 0.0079in)
Crankshaft
Pin outer diameter		44.946 ~ 44.966mm (1.7695 ~ 1.7703in)
Journal outer diameter		56.942 ~ 56.962mm (2.2418 ~ 2.2426in)
Bend		0.03mm (0.0012in) or less
Out-of-round, taper of journal and pin		0.01mm (0.0004in) or less	0.030mm (0.0012in)
End play		0.06 ~ 0.260mm (0.0023 ~ 0.010in)
Undersize rework dimension of pin	0.25mm (0.010in)	44.725 ~ 44.740mm (1.7608 ~ 1.7614in)
Undersize rework dimension of journal	0.25mm (0.010in)	56.727 ~ 56.742mm (2.2333 ~ 2.2339in)
Crankshaft bearing
Oil clearance		0.028 ~ 0.046mm (0.0011 ~ 0.0018in)
Flywheel
Runout		0.1mm (0.0039in)	0.13mm (0.0051in)
Cooling method		Water-cooled, pressurized. Forced circulation with electrical fan
Coolant
Quantity		6.5~6.6liter (6.87~6.97U.S qts, 5.72~5.81lmp. qts)
Radiator
Type		Pressurized corrugated fin type
Radiator cap
Main valve opening pressure		93.16 ~ 122.58kpa (0.95 ~ 1.25kg/cm 2 , 13.51 ~ 17.78psi)
Vacuum valve opening pressure		MAX. 6.86 kpa (0.07kg/cm 2 , 1.00 psi)
Thermostat
Type		Wax pellet type with jiggle valve
Valve opening temperature		82°C (177°F)
Valve closing temperature		77°C (170.6°F)
Full-opening temperature		95°C (201°F)
Coolant pump		Centrifugal type impeller
Drive belt
Type		V-ribbed belt
Engine coolant temperature sensor
Type		Heat-sensitive thermistor type
Resistance		2.31 ~ 2.59kohms at 20°C (68°F) 0.3222kohms at 80°C (176°F)
Oil pump
Clearance between outer circumference and front case.		0.120 ~ 0.185mm (0.0049 ~ 0.0073in)
Front case tip clearance		0.025 ~ 0.069mm (0.0009 ~ 0.0027in)
Side clearance
Inner gear		0.04 ~ 0.085mm (0.0016 ~ 0.0033in)
Outer gear		0.04 ~ 0.09mm (0.0016 ~ 0.0035in)
Engine oil pressure at 1500 RPM [Oil temperature is 90 to 110°C 194 to 230°F)]		245KPa (2.5kg/cm 2 , 35.5psi)
Engine oil
Oil quantity	Total	4.1L (4.33US qt, 3.60lmp qt)	When replacing a short engine or a block assembly
	Oil pan	3.7L (3.91US qt, 3.26lmp qt)
	Drain and refill	4.0L (4.23US qt, 3.52lmp qt)	Including oil filter
Oil grade	Recommendation	5W-20/GF4 & SM	If not available, refer to the recommended API or ILSAC classification and SAE viscosity number.
	Classification	API SL, SM or above ILSAC GF3, GF4 or above	Satisfy the requirement of the API or ILSAC classification.
	SAE viscosity grade	Recommended SAE viscosity number	Refer to the " LUBRICATION SYSTEM article "
Oil pressure (at 800rpm)		100kPa (1.0kg/cm 2 , 14.5psi) or above	Oil temperature in oil pan : 90 ~ 100°C (194 ~ 212°F)
Relief spring
Free height		43.8mm (1.725in.)
Load		3.7±0.4kg at 40.1mm (3.15lb/1.578in)
Air cleaner
Type		Dry type
Element		Unwoven cloth type
Exhaust pipe
Muffler		Expansion resonance type
Suspension system		Rubber hangers

ENGINE MECHANICAL SYSTEM SPECIFICATIONS

Tightening Torques

Item	Nm	Kgf.m	Lb-ft
Cylinder Block
Front engine support bracket bolt and nut	34.3 ~ 49.0	3.5 ~ 5.0	25.3 ~ 36.2
Front roll stopper bracket bolt	68.6 ~ 88.3	7.0 ~ 9.0	50.6 ~ 65.1
Rear roll stopper bracket bolt	68.6 ~ 88.3	7.0 ~ 9.0	50.6 ~ 65.1
Rear engine stopper bracket bolt	39.2 ~ 49.0	4.0 ~ 5.0	28.9 ~ 36.2
Engine Mounting
Right mounting insulator (large) nut	88.3 ~ 107.9	9.0 ~ 11.0	65.1 ~ 79.6
Right mounting insulator (small) nut	44.1 ~ 58.8	4.5 ~ 6.0	32.5 ~ 43.4
Right mounting bracket to engine nuts and bolts	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Transmission mount insulator nut	88.3 ~ 107.9	9.0 ~ 11.0	65.1 ~ 79.6
Transmission insulator bracket to side member bolt	39.2 ~ 49.0	4.0 ~ 5.0	28.9 ~ 36.2
Rear roll stopper insulator nut	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Rear roll stopper bracket to center member bolts	39.2 ~ 49.0	4.0 ~ 5.0	28.9 ~ 36.2
Front roll stopper insulator nut	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Front roll stopper bracket to center member bolts.	39.2 ~ 49.0	4.0 ~ 5.0	28.9 ~ 36.2
Main Moving
Connecting rod cap nut	49.0 ~ 52.0	5.0 ~ 5.3	36.2 ~ 38.3
Crankshaft bearing cap bolt	27.5~31.4 + (60°~64°)	2.8~3.2 + (60°~64°)	20.3~23.1 + (60°~64°)
Fly wheel M/T bolt	117.7 ~ 127.5	12.0 ~ 13.0	86.8 ~ 94.0
Drive plate A/T bolt	117.7 ~ 127.5	12.0 ~ 13.0	86.8 ~ 94.0
Engine cover	3.9 ~ 5.9	0.4 ~ 0.6	2.9 ~ 4.3
Heat	Protector 14.7 ~	19.6 1.5 ~	2.0 10.8 ~14.5
Water pipe bracket bolts	11.8 ~ 14.7	1.2 ~ 1.5	8.7 ~ 10.8
Cooling system
Alternator support bolt and nut	19.6 ~ 24.5	2.0 ~ 2.5	14.5 ~ 18.1
Alternator lock bolt	11.8 ~ 14.7	1.2 ~ 1.5	8.7 ~ 10.8
Alternator brace mounting bolt	19.6 ~ 26.5	2.0 ~ 2.7	14.5 ~ 19.5
Coolant pump pulley bolts	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
Coolant pump bolts	19.6 ~ 26.5	2.0 ~ 2.7	14.5 ~ 19.5
Coolant temperature sensor	19.6 ~ 39.2	2.0 ~ 4.0	14.5 ~ 28.9
Coolant inlet fitting nuts	14.7 ~ 19.6	1.5 ~ 2.0	10.8 ~ 14.5
Thermostat housing bolts and nuts	14.7 ~ 19.6	1.5 ~ 2.0	10.8 ~ 14.5
Lubrication system
Oil filter	11.8 ~ 15.7	1.2 ~ 1.6	8.7 ~ 11.6
Oil pan bolts	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Oil pan drain plug (Aluminum)	39.2 ~ 49.0	4.0 ~ 5.0	28.9 ~ 36.2
Oil pan drain plug (Steel)	34.3 ~ 44.1	3.5 ~ 4.5	25.3 ~ 32.5
Oil screen bolts	14.7 ~	21.6 1.5 ~	2.2 10.8 ~15.9
Oil pressure switch	12.7 ~	14.7 1.3 ~	1.5 9.4 ~10.8
Intake and Exhaust system
Air cleaner body mounting bolts	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
Resonator mounting bolts	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
Intake manifold to cylinder head nuts and bolts	15.7 ~ 22.6	1.6 ~ 2.3	11.6 ~ 16.6
Intake manifold stay to cylinder block bolts	17.7 ~ 24.5	1.8 ~ 2.5	13.0 ~ 18.1
Throttle body to surge tank nuts	14.7 ~ 19.6	1.5 ~ 2.0	10.8 ~ 14.5
Exhaust manifold to cylinder head nuts	42.2 ~ 53.9	4.3 ~ 5.5	31.1 ~ 39.8
Exhaust manifold cover to exhaust manifold bolts	14.7 ~ 19.6	1.5 ~ 2.0	10.8 ~ 14.5
Oxygen sensor to front muffler	49.0 ~ 58.8	5.0 ~ 6.0	36.2 ~ 43.4
Oxygen sensor to exhaust manifold	49.0 ~ 58.8	5.0 ~ 6.0	36.2 ~ 43.4
Front exhaust pipe to exhaust manifold nuts	29.4 ~ 39.2	3.0 ~ 4.0	21.7 ~ 28.9
Front exhaust pipe bracket bolts	29.4 ~ 39.2	3.0 ~ 4.0	21.7 ~ 28.9
Front exhaust pipe to catalytic converter bolts	39.2 ~ 58.8	4.0 ~ 6.0	28.9 ~ 43.4
Main muffler hanger support bracket bolts	9.8 ~ 14.7	1.0 ~ 1.5	7.2 ~ 10.8
Cylinder head
Cylinder head bolts - M10	22.6~26.5+(60°~65°) + (60°~65°)	2.3~2.7+(60°~65°) + (60°~65°)	16.6~19.5+(60°~65°)+ (60°~65°)
Cylinder head bolts - M12	27.5~31.4+(60°~65°) + (60°~65°)	2.8~3.2+(60°~65°) + (60°~65°)	20.3~33.1+(60°~65°)+ (60°~65°)
Intake manifold nuts	17.7 ~ 24.5	1.8 ~ 2.5	13.0 ~ 18.1
Exhaust manifold nuts	42.2 ~ 53.9	4.3 ~ 5.5	31.1 ~ 39.8
Cylinder head cover bolts	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
Camshaft bearing cap bolts	13.7 ~ 14.7	1.4 ~ 1.5	10.1 ~ 10.8
Oil control valve bolt	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
OCV Filter	40.2 ~ 50.0	4.1 ~ 5.1	29.7 ~ 36.9
CVVT unit to exhaust camshaft bolt	64.7 ~	76.5 6.6 ~	7.8 47.7~ 56.4
Rear plate bolts	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
Timing Belt
Crankshaft pulley bolt	156.9 ~ 166.7	16.0 ~ 17.0	115.7 ~ 123.0
Camshaft sprocket bolt	98.1 ~ 117.7	10.0 ~ 12.0	72.3 ~ 86.8
Timing belt auto tensioner bolts	22.6 ~ 28.4	2.3 ~ 2.9	16.6 ~ 21.0
Timing belt cover bolts	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
Front case bolts	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Timing belt idler bolt	42.2 ~ 53.9	4.3 ~ 5.5	31.1 ~ 39.8

TIGHTENING TORQUES SPECIFICATIONS

M/T : Manual Transmission

A/T : Automatic Transmission