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General Information - Engine Mechanical: Specifications Hyundai Accent III

Mechanical

Specifications

Description		Specifications	Limit
General
Type		In-line, DOHC
Number of cylinders		4
Bore		76.5 mm (3.0118 in)
Stroke		87 mm (3.4252 in)
Total displacement		1,599 cc (97.57 cu.in)
Compression ratio		10.0 : 1
Firing order		1-3-4-2
Valve timing
Intake valve	Opens (BTDC)	8°
Intake valve	Closes (ABDC)	60°
Exhaust valve	Opens (BBDC)	46°
Exhaust valve	Closes (ATDC)	10°
Cylinder head
Flatness of gasket surface		Less than 0.03 mm (0.0012 in)
Flatness of manifold	Intake	Less than 0.15 mm (0.0059 in)
Mounting surface	Exhaust	Less than 0.15 mm (0.0059 in)
Valve guide hole diameter	STD	11.000 ~ 11.018 mm (0.4331 ~ 0.4338 in)
(Intake, Exhaust)	0.05 OS	11.050 ~ 11.068 mm (0.4350 ~ 0.4357 in)
	0.25 OS	11.250 ~ 11.268 mm (0.4429 ~ 0.4436 in)
	0.50 OS	11.500 ~ 11.518 mm (0.4528 ~ 0.4535 in)
Intake valve seat ring hole diameter	STD	30.400 ~ 30.421 mm (1.1968 ~ 1.1977 in)
	0.3 OS	30.700 ~ 30.721 mm (1.2087 ~ 1.2095 in)
	0.6 OS	31.000 ~ 31.021 mm (1.2205 ~ 1.2213 in)
Exhaust valve seat ring hole diameter	STD	27.000 ~ 27.021 mm (1.0630 ~ 1.0638 in)
	0.3 OS	27.300 ~ 27.321 mm (1.0748 ~ 1.0756 in)
	0.6 OS	27.600 ~ 27.621 mm (1.0866 ~ 1.0874 in)
Camshaft
Cam height	Intake	43.7492 ~ 43.9492 mm (1.72241 ~ 1.73028 in)
Cam height	Exhaust	44.1494 ~ 44.3494 mm (1.73816 ~ 1.74604 in)
Journal outer diameter (Intake, Exhaust)		26.964 ~ 26.980 mm (1.0616 ~ 1.0622 in)
Camshaft cap oil clearance		0.02 ~ 0.061 mm (0.0008 ~ 0.0024 in)
End play		0.10 ~ 0.20 mm (0.0039 ~ 0.0079 in)
Valve
Valve length	Intake	91.8 mm (3.6142 in)
Valve length	Exhaust	92.4 mm (3.6378 in)
Stem outer diameter	Intake	5.965 ~ 5.980 mm (0.2348 ~ 0.2354 in)
Stem outer diameter	Exhaust	5.950 ~ 5.965 mm (0.2343 ~ 0.2348 in)
Face angle		45° ~ 45° 30'
Thickness of valve head (margin)	Intake	1.1 mm (0.0433 in)	0.8 mm (0.0315 in)
Thickness of valve head (margin)	Exhaust	1.3 mm (0.0512 in)	1.0 mm (0.0394 in)
Valve stem to valve guide clearance	Intake	0.02 ~ 0.05 mm (0.0008 ~ 0.0020 in)	0.10 mm (0.0039 in)
Valve stem to valve guide clearance	Exhaust	0.035 ~ 0.065 mm (0.0014 ~ 0.0026 in)	0.15 mm (0.0059 in)
Valve guide
Length	Intake	36.3 ~ 36.7 mm (1.4291 ~ 1.4449 in)
Length	Exhaust	39.3 ~ 39.7 mm (1.5472 ~ 1.5630 in)
Valve seat
Width of seat contact	Intake	0.8 ~ 1.2 mm (0.0315 ~ 0.0472 in)
Width of seat contact	Exhaust	1.3 ~ 1.7 mm (0.0512 ~ 0.0669 in)
Seat angle	Intake	45° ~ 45° 30'
Seat angle	Exhaust	45° ~ 45° 30'
Valve spring
Free length		44.0 mm (1.7323 in)
Load		21.6 ±1.1 kg / 35 mm (47.6 ± 2.4 lb / 1.3780 in)
Load		45.1 ± 2.2 kg / 27.2 mm (99.4 ± 4.9 lb / 1.0709 in)
Out of squareness		Less than 1.5° 3°
Cylinder block
Cylinder bore		76.50 ~ 76.53 mm (3.0118 ~ 3.0130 in)
Flatness of gasket surface		Less than 0.05 mm (0.0020 in)
Piston
Piston outer diameter		76.47 ~ 76.50 mm (3.0106 ~ 3.0118 in)
Piston to cylinder clearance		0.020 ~ 0.040 mm (0.0008 ~ 0.0016 in)
Ring groove width	No. 1 ring groove	1.230 ~ 1.255 mm (0.0484 ~ 0.0494 in)
	No. 2 ring groove	1.230 ~ 1.255 mm (0.0484 ~ 0.0494 in)
	Oil ring groove	2.030 ~ 2.055 mm (0.0799 ~ 0.0809 in)
Piston ring
Side clearance	No. 1 ring	0.04 ~ 0.085 mm (0.0016 ~ 0.0033 in)	0.1 mm (0.0039 in)
	No. 2 ring	0.04 ~ 0.085 mm (0.0016 ~ 0.0033 in)	0.1 mm (0.0039 in)
	Oil ring	0.08 ~ 0.175 mm (0.0031 ~ 0.0069 in)
End gap	No. 1 ring	0.15 ~ 0.30 mm (0.0059 ~ 0.0118 in)	1.0 mm (0.0394 in)
	No. 2 ring	0.35 ~ 0.50 mm (0.0138 ~ 0.0197 in)	1.0 mm (0.0394 in)
	Oil ring	0.20 ~ 0.70 mm (0.0079 ~ 0.0276 in)	1.0 mm (0.0394 in)
Piston pin
Piston pin outer diameter		18.001 ~ 18.007 mm (0.7087 ~ 0.7089 in)
Piston pin hole inner diameter		18.016 ~ 18.021 mm (0.7093 ~ 0.7095 in)
Piston pin hole clearance		0.011 ~ 0.018 mm (0.0004 ~ 0.0007 in)
Connecting rod small end hole inner diameter		17.974 ~ 17.985 mm (0.7076 ~ 0.7081 in)
Connecting rod small end hole clearance		0.032 ~ -0.016 mm (-0.0013 ~ -0.0006 in)
Piston pin press-in load		500 ~ 1,500 kg (1,102 ~ 3,306 lb)
Connecting rod
Connecting rod big end inner diameter		48.000 ~ 48.018 mm (1.8898 ~ 1.8905 in)
Connecting rod bearing oil clearance		0.018 ~ 0.036 mm (0.0007 ~ 0.0014 in)
Side clearance		0.10 ~ 0.25 mm (0.0039 ~ 0.0098 in)	0.4 mm (0.0157 in)
Crankshaft
Main journal outer diameter		49.950 ~ 49.968 mm (1.9665 ~ 1.9672 in)
Pin journal outer diameter		44.954 ~ 44.97 2 mm (1.7698 ~ 1.7705 in)
Main bearing oil clearance	No. 1, 2, 4, 5	0.022 ~ 0.040 mm (0.0009 ~ 0.0016 in)	0.1 mm (0.0039 in)
Main bearing oil clearance	No. 3	0.028 ~ 0.046 mm (0.0011 ~ 0.0018 in)	0.1 mm (0.0039 in)
End play		0.05 ~ 0.175 mm (0.0020 ~ 0.0069 in)	0.2 mm (0.0079 in)
Flywheel
Runout		0.1 mm (0.0039 in)	0.13 mm (0.0051 in)
Oil pump
Side clearance	Inner rotor	0.040 ~ 0.085 mm (0.0016 ~ 0.0033 in)
Side clearance	Outer rotor	0.040 ~ 0.090 mm (0.0016 ~ 0.0035 in)
Body clearance		0.060 ~ 0.090 mm (0.0024 ~ 0.0035 in)
Relief valve opening pressure		500 ± 49.0 kPa (5.1 ± 0.5 kg/cm 2 , 72.5 ± 7.1 psi)
Relief spring	Free length	46.6 mm (1.8346 in)
Relief spring	Load	6.1 ± 0.4 kg / 40.1 mm (13.4 ± 0.9 lb / 1.5787 in)
Engine oil
Oil quantity	Total	3.8 L (4.02 US qt, 3.34 Imp qt)	When replacing a short engine or a block assembly
	Oil pan	3.0 L (3.17 US qt, 2.64 Imp qt)
	Drain and refill	3.3 L (3.49 US qt, 2.90 Imp 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 " SELECTION OF ENGINE OIL "
Oil pressure (at 800 RPM)		100 kPa (1.0 kg/cm 2 , 14.5 psi) or above	Oil temperature in oil pan : 95 ± 5 °C (203 ± 41 °F)
Cooling system
Cooling method		Forced circulation with cooling fan
Coolant quantity		5.5 ~ 5.8 L (5.81 ~6.13 US qt, 4.84 ~5.10 Imp qt)
Thermostat	Type	Wax pellet type
	Opening temperature	88 ± 1.5 °C (190.4 ± 2.7 °F)
	Pull opening temperature	100 °C (212 °F)
Radiator cap	Main valve opening pressure	93.16 ~ 122.58 kPa (0.95 ~ 1.25 kg/cm 2 , 13.51 ~ 17.78 psi)
Radiator cap	Vacuum valve opening pressure	0.98 ~ 4.90 kPa (0.01 ~ 0.05 kg/cm 2 , 0.14 ~ 0.71 psi)
Water temperature sensor
Type		Thermistor type
Resistance	20 °C (68 °F)	2.45 ± 0.14 kohms
Resistance	80 °C (176 °F)	0.3222 kohms

ENGINE MECHANICAL SYSTEM SPECIFICATIONS

Tightening Torques

Item	Quantity	N.m	Kgf.m	Lb-ft
Cylinder block
Engine support bracket bolt	2	44.1 ~ 53.9	4.5 ~ 5.5	32.5 ~ 39.8
Engine support bracket nut	1	44.1 ~ 53.9	4.5 ~ 5.5	32.5 ~ 39.8
Engine support bracket stay bolt	2	44.1 ~ 53.9	4.5 ~ 5.5	32.5 ~ 39.8
Rear plate bolt	1	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Engine mounting
Engine mounting bracket and body fixing bolt	3	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Engine mounting insulator and engine mounting support bracket fixing nut	1	68.6 ~ 93.2	7.0 ~ 9.5	50.6 ~ 68.7
Engine mounting support bracket and engine support bracket fixing bolt	2	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Engine mounting support bracket and engine support bracket fixing nut	1	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Transaxle mounting bracket and body fixing bolt	3	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Transaxle mounting insulator and transaxle support bracket fixing bolt	2	68.6 ~ 93.2	7.0 ~ 9.5	50.6 ~ 68.7
Front roll stopper bracket and sub frame fixing bolt	3	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Front roll stopper insulator and front roll stopper support bracket fixing bolt, nut	1	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Rear roll stopper bracket and sub frame fixing bolt	3	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Rear roll stopper insulator and rear roll stopper support bracket fixing bolt, nut	1	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Main moving system
Connecting rod cap nut	8	31.4 ~ 34.3	3.2 ~ 3.5	23.1 ~ 25.3
Crankshaft main bearing cap bolt	10	53.9 ~ 58.8	5.5 ~ 6.0	39.8 ~ 43.4
Flywheel bolt (M/T)	5	117.7 ~ 127.5	12.0 ~ 13.0	86.8 ~ 94.0
Drive plate bolt (A/T)	5	117.7 ~ 127.5	12.0 ~ 13.0	86.8 ~ 94.0
Timing belt
Timing belt front upper cover bolt	4	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
Timing belt front lower cover bolt	5	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
Timing belt rear lower LH cover bolt	3	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Timing belt rear upper LH cover bolt	1	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Timing belt rear upper RH cover bolt	2	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Crankshaft pulley bolt	1	137.3 ~ 147.1	14.0 ~ 15.0	101.3 ~ 108.5
Camshaft sprocket bolt	1	78.5 ~ 98.1	8.0 ~ 10.0	57.9 ~ 72.3
Timing belt tensioner bolt	1	19.6 ~ 26.5	2.0 ~ 2.7	14.5 ~ 19.5
Timing belt idler bolt	1	42.2 ~ 53.9	4.3 ~ 5.5	31.1 ~ 39.8
Cylinder head
Engine cover bolt	4	3.9 ~ 5.9	0.4 ~ 0.6	2.9 ~ 4.3
Cylinder head cover bolt	12	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
Camshaft bearing cap bolt	24	11.8 ~ 13.7	1.2 ~ 1.4	8.7 ~ 10.1
Intake camshaft and CMP sensor target wheel fixing bolt	1	14.7 ~ 19.6	1.5 ~ 2.0	10.8 ~ 14.5
Exhaust camshaft and CVVT assembly fixing bolt	1	64.7 ~ 76.5	6.6 ~ 7.8	47.7 ~ 56.4
Timing chain auto tensioner bolt	2	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
OCV (oil control valve) bolt	1	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
OCV (oil control valve) filter	1	40.2 ~ 50.0	4.1 ~ 5.1	29.7 ~ 36.9
Cylinder head bolt	10	29.4 + 90° --> Release all bolts --> 29.4 + 90°	3.0 + 90° --> Release all bolts --> 3.0 + 90°	21.7 + 90° --> Release all bolts --> 21.7 + 90°
Cooling system
Water pump pulley bolt	4	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
Water pump bolt (8 X 28)	3	11.8 ~ 14.7	1.2 ~ 1.5	8.7 ~ 10.8
Water pump and alternator brace fixing bolt (8 X 45)	1	19.6 ~ 23.5	2.0 ~ 2.4	14.5 ~ 17.4
Water pump and alternator brace fixing bolt (8 X 65)	1	19.6 ~ 23.5	2.0 ~ 2.4	14.5 ~ 17.4
Thermostat housing nut	2	14.7 ~ 19.6	1.5 ~ 2.0	10.8 ~ 14.5
Water outlet fitting nut	2	14.7 ~ 19.6	1.5 ~ 2.0	10.8 ~ 14.5
Water inlet fitting bolt	3	16.7 ~ 19.6	1.7 ~ 2.0	12.3 ~ 14.5
Water temperature sensor	1	19.6 ~ 39.2	2.0 ~ 4.0	14.5 ~ 28.9
Water pipe fixing bolt	1	9.8 ~ 14.7	1.0 ~ 1.5	7.2 ~ 10.8
Lubrication system
Oil filter	1	11.8 ~ 15.7	1.2 ~ 1.6	8.7 ~ 11.6
Front case bolt (8 X 22)	1	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Front case bolt (8 X 30)	3	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Front case bolt (8 X 45)	1	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Front case bolt (8 X 60)	1	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Oil pan bolt	18	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Oil pan drain plug	1	39.2 ~ 44.1	4.0 ~ 4.5	28.9 ~ 32.5
Oil screen bolt	2	14.7 ~ 21.6	1.5 ~ 2.2	10.8 ~ 15.9
Oil pressure switch	1	14.7 ~ 21.6	1.5 ~ 2.2	10.8 ~ 15.9
Rear oil seal case	5	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Intake and exhaust system
Intake manifold and cylinder head fixing nut	6	14.7 ~ 19.6	1.5 ~ 2.0	10.8 ~ 14.5
Intake manifold and cylinder head fixing bolt (8 X 45)	2	14.7 ~ 19.6	1.5 ~ 2.0	10.8 ~ 14.5
Intake manifold and cylinder head fixing bolt (8 X 22)	1	14.7 ~ 19.6	1.5 ~ 2.0	10.8 ~ 14.5
Intake manifold stay bolt	4	17.7 ~ 24.5	1.8 ~ 2.5	13.0 ~ 18.1
Exhaust manifold and cylinder head fixing nut	9	29.4 ~ 34.3	3.0 ~ 3.5	21.7 ~ 25.3
O2 sensor to exhaust manifold	1	49.0 ~ 58.8	5.0 ~ 6.0	36.2 ~ 43.4
Exhaust manifold heat cover and exhaust manifold fixing bolt	3	16.7 ~ 21.6	1.7 ~ 2.2	12.3 ~ 15.9
Air cleaner lower cover fixing bolt	3	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
Throttle body and surge tank fixing bolt and nut	4	14.7 ~ 19.6	1.5 ~ 2.0	10.8 ~ 14.5
Exhaust manifold and front muffler fixing nut	2	29.4 ~ 39.2	3.0 ~ 4.0	21.7 ~ 28.9
Front muffler and center muffler fixing nut	2	29.4 ~ 39.2	3.0 ~ 4.0	21.7 ~ 28.9
Center muffler and main muffler fixing nut	2	29.4 ~ 39.2	3.0 ~ 4.0	21.7 ~ 28.9

TIGHTENING TORQUES