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General Information - Engine - Non-Turbo: Specifications Hyundai Veloster I

Mechanical

Specifications

Description		Specifications	Limit
General
Type		In-line, DOHC
Number of cylinders		4
Bore		77mm (3.0315in)
Stroke		85.44mm (3.3638in)
Total displacement		1, 591 cc (97.09 cu.in)
Compression ratio		11.0: 1
Firing order		1-3-4-2
Valve timing
Intake valve	Opens	ATDC 8°/BTDC 42°
Intake valve	Closes	ABDC 69°/ABDC 19°
Exhaust valve	Opens	BBDC 50°/BBDC 10°
Exhaust valve	Closes	ATDC 5°/ATDC 45°
Cylinder head
Flatness of gasket surface		Less than 0.05mm (0.0020in) for total area Less than 0.02mm (0.0008in) for a section of 100mm (3.9370in) X 100mm (3.9370in)
Camshaft
Cam height	Intake	44.15mm (1.7382in)
Cam height	Exhaust	43.55mm (1.7146in)
Journal outer diameter (Intake, Exhaust)		22.964 ~ 22.980mm (0.9041 ~ 0.9047in)
Camshaft cap oil clearance		0.027 ~ 0.058mm (0.0011 ~ 0.0023in)	0.1mm (0.0039in)
End play		0.10 ~ 0.20mm (0.0039 ~ 0.0079in)
Valve
Valve length	Intake	93.15mm (3.6673in)
Valve length	Exhaust	92.60mm (3.6457in)
Stem outer diameter	Intake	5.465 ~ 5.480mm (0.2152 ~ 0.2157in)
Stem outer diameter	Exhaust	5.458 ~ 5.470mm (0.2149 ~ 0.2154in)
Face angle		45.25° ~ 45.75°
Thickness of valve head (margin)	Intake	1.10mm (0.0433in)	0.8mm (0.0315in)
Thickness of valve head (margin)	Exhaust	1.26mm (0.0496in)	1.0mm (0.0394in)
Valve stem to valve guide clearance	Intake	0.020 ~ 0.047mm (0.0008 ~ 0.0019in)	0.10mm (0.0039in)
Valve stem to valve guide clearance	Exhaust	0.030 ~ 0.054mm (0.0012 ~ 0.0021in)	0.15mm (0.0059in)
Valve guide
Length	Intake	40.3 ~ 40.7mm (1.5866 ~ 1.6024in)
Length	Exhaust	40.3 ~ 40.7mm (1.5866 ~ 1.6024in)
Valve spring
Free length		45.1mm (1.7756in)
Out of squareness		Less than 1.5°
Cylinder block
Cylinder bore		77.00 ~ 77.03mm (3.0315 ~ 3.0327in)
Flatness of gasket surface		Less than 0.05mm (0.0020in) for total area Less than 0.02mm (0.0008in) for a section of 100mm (3.9370in) X 100mm (3.9370in)
Piston
Piston outer diameter		76.97 ~ 77.00mm (3.0303 ~ 3.0315in)
Piston to cylinder clearance		0.020 ~ 0.040mm (0.0008 ~ 0.0016in)
Ring groove width	No. 1 ring groove	1.23 ~ 1.25mm (0.0484 ~ 0.0492in)	1.26mm (0.0496in)
	No. 2 ring groove	1.23 ~ 1.25mm (0.0484 ~ 0.0492in)	1.26mm (0.0496in)
	Oil ring groove	2.01 ~ 2.03mm (0.0791 ~ 0.0799in)	2.05mm (0.0807in)
Piston ring
Side clearance	No. 1 ring	0.04 ~ 0.08mm (0.0016 ~ 0.0031in)	0.1 mm (0.0039in)
	No. 2 ring	0.04 ~ 0.08mm (0.0016 ~ 0.0031in)	0.1 mm (0.0039in)
	Oil ring	0.02 ~ 0.06mm (0.0008 ~ 0.0024in)	0.2 mm (0.0079in)
End gap	No. 1 ring	0.14 ~ 0.28mm (0.0055 ~ 0.0110in)	0.30mm (0.0118in)
	No. 2 ring	0.30 ~ 0.45mm (0.0118 ~ 0.0177in)	0.50mm (0.0197in)
	Oil ring	0.20 ~ 0.40mm (0.0079 ~ 0.0157in)	0.80mm (0.0315in)
Piston pin
Piston pin outer diameter		18.001 ~ 18.006mm (0.7087 ~ 0.7089in)
Piston pin hole inner diameter		18.016 ~ 18.021mm (0.7093 ~ 0.7095in)
Piston pin hole clearance		0.010 ~ 0.020mm (0.0004 ~ 0.0008in)
Connecting rod small end hole inner diameter		17.974 ~ 17.985mm (0.7076 ~ 0.7081in)
Piston pin press-in load		500~1, 500 kg (1, 102 ~ 3, 306 lb)
Connecting rod
Connecting rod big end inner diameter		45.000 ~ 45.018mm (1.7717 ~ 1.7724in)
Connecting rod bearing oil clearance		0.032 ~ 0.052mm (0.0013 ~ 0.0020in)	0.060mm (0.0024in)
Side clearance		0.10 ~ 0.25mm (0.0039 ~ 0.0098in)	0.35m (0.0138in)
Crankshaft
Main bearing oil clearance	No. 1, 2, 3, 4, 5	0.021 ~ 0.042mm (0.0008 ~ 0.0017in)	0.05mm (0.0020in)
End play		0.05 ~ 0.25mm (0.0020 ~ 0.0098in)	0.3mm (0.0118in)
Engine oil
Oil quantity	Total	4.0L (4.22US qt, 3.51lmp qt)	When replacing a short engine or a block assembly
	Oil pan	3.3L (3.48US qt, 2.90lmp qt)
	Drain and refill	3.6L (3.80US qt, 3.16lmp 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"
Oil pressure (at 1000rpm)		100kPa (1.0kg/cm 2 , 14.5psi) or above	Oil temperature in oil pan: 110±2°C (230± 36°F)
Cooling system
Cooling method		Forced circulation with cooling fan
Coolant quantity		MT: 5.0L (1.32 U.S.gal., 5.28 U, S, qt., 4.40lmp.qt) AT: 5.2L (1.37 U.S.gal., 5.49 U, S, qt., 4.57lmp.qt)
Thermostat	Type	Wax pellet type
	Opening temperature	82 ± 1.5°C (179.6 ± 2.7°F)
	Full opening temperature	95°C (203°F)
Radiator cap	Main valve opening pressure	93.16 ~ 122.58kpa (0.95 ~ 1.25kgf/cm 2 , 13.51 ~ 17.78psi)
Radiator cap	Vacuum valve opening pressure	MAX. 6.86 kpa (0.07kgf/cm 2 , 1.00 psi)
Water temperature sensor
Type		Thermister type
Resistance	20°C (68°F)	2.45±0.14 kohms
Resistance	80°C (176°F)	0.3222 kohms

Tightening Torques

Item	Quantity	N.m	Kgf.m	Lb-ft
Engine mounting
Engine mounting bracket to body fixing bolt	2	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Engine mounting bracket to body fixing nut	1	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Engine mounting support bracket to engine mounting insulator fixing nut	1	63.7 ~ 83.4	6.5 ~ 8.5	47.0 ~ 61.5
Engine mounting support bracket to engine support bracket fixing bolt	1	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Engine mounting support bracket to engine support bracket fixing nut	2	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Transaxle mounting bracket to body fixing bolt	2	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Transaxle mounting bracket to body fixing nut	1	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Transaxle mounting insulator to transaxle mounting support bracket fixing bolt	2	88.3 ~ 107.9	9.0 ~ 11.0	65.1 ~ 79.6
Roll rod bracket to sub frame fixing bolt	2	49.0 ~ 63.7	5.0 ~ 6.5	36.2 ~ 47.0
Roll rod insulator to roll rod mounting support bracket fixing nut	1	107.9 ~ 127.5	11.0 ~ 13.0	79.6 ~ 94.0
Timing system
Timing chain and oil pump assembly cover bolt (M6x20)	10	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Timing chain and oil pump assembly cover bolt (M6x38)	2	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Timing chain and oil pump assembly cover bolt (M6x70)	1	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Timing chain and oil pump assembly cover bolt (M8x22)	3	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Idler pulley assembly bolt	1	42.2 ~ 53.9	4.3 ~ 5.5	31.1 ~ 39.8
Timing chain tensioner arm bolt	1	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Timing chain guide bolt	2	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Crankshaft pulley bolt NOTE: For additional crankshaft pulley bolt torque information, refer to GAMMA ENGINE CRANKSHAFT PULLEY BOLT INFORMATION .	1	127.5 ~ 137.3	13.0 ~ 14.0	94.0 ~ 101.3
Timing chain tensioner bolt	2	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Cylinder head
Ignition coil bolt	4	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
High pressure fuel pipe nut	2	25.5 ~ 31.4	2.6 ~ 3.2	18.8 ~ 23.1
High pressure fuel pump bolt	2	12.7 ~ 14.7	1.3 ~ 1.5	9.4 ~ 10.8
Cylinder head cover bolt	19	[3.9~5.9] + [7.8~9.8]	[0.4~0.6] + [0.8~1.0]	[2.9~4.3] + [5.8~7.2]
Camshaft bearing cap bolt (M6)	18	[5.9] + [11.8~13.7]	[0.6] + [1.2~1.4]	[4.3] + [8.7~10.1]
Camshaft bearing cap bolt (M8)	4	[9.8] + [18.6~22.6]	[1.0] + [1.9~2.3]	[7.2] + [13.7~16.6]
Cylinder head bolt	10	[29.4] + [90°] + [90°]	[3.0] + [90°] + [90°]	[21.7] + [90°] + [90°]
Cylinder block
Engine support bracket bolt	4	29.4 ~ 41.2	3.0 ~ 4.2	21.7 ~ 30.4
Ladder frame bolt	13	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Connecting rod cap bolt	8	[17.7~21.6] + [88~92°]	[1.8~2.2] + [88~92°]	[13.0~15.9] + [88~92°]
Crankshaft main bearing cap bolt	10	[19.6] + [90°]	[2.0] + [90°]	[14.5] + [90°]
Flywheel bolts (M/T)	6	71.6 ~ 75.5	7.3 ~ 7.7	52.8 ~ 55.7
Drive plate bolts (A/T)	6	71.6 ~ 75.5	7.3 ~ 7.7	52.8 ~ 55.7
Lubrication system
Oil filter	1	11.8 ~ 15.7	1.2 ~ 1.6	8.7 ~ 11.6
Oil pan bolt	11	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Oil pan drain plug	1	34.3 ~ 44.1	3.5 ~ 4.5	25.3 ~ 32.5
Oil screen bolt	2	19.6 ~ 26.5	2.0 ~ 2.7	14.5 ~ 19.5
Oil pressure switch	1	7.8 ~ 11.8	0.8 ~ 1.2	5.8 ~ 8.7
Oil level gauge assembly mounting bolt	1	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Cooling system
Water pump pulley bolt	4	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Water pump bolt	5	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Water temperature control assembly mounting bolt	3	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Water inlet fitting nut	2	18.6 ~ 23.5	1.9~ 2.4	13.7 ~ 17.4
Heater pipe mounting bolt (M6)	1	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Heater pipe mounting nut	2	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Heater pipe mounting bolt (M8)	1	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Engine coolant temperature sensor (ECTS)	1	29.4 ~ 39.2	3.0 ~ 4.0	21.7 ~ 28.9
Intake and exhaust system
Air intake hose clamp bolt	2	2.9 ~ 4.9	0.3 ~ 0.5	2.2 ~ 3.6
Air cleaner assembly bolt	2	7.8 ~ 9.8	0.8 ~ 1.0	5.8 ~ 7.2
Electronic throttle control (ETC) module bolt	4	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Intake manifold nut	2	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Intake manifold bolt	3	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Exhaust manifold heat protector bolt	3	9.8 ~ 11.8	1.0 ~ 1.2	7.2 ~ 8.7
Exhaust manifold stay bolt	3	39.2 ~ 49.0	4.0 ~ 5.0	28.9 ~ 36.2
Exhaust manifold nut	9	29.4 ~ 41.2	3.0 ~ 4.2	21.7 ~ 30.4
Oxygen sensor (Front/Rear)	2	39.2 ~ 49.0	4.0 ~ 5.0	28.9 ~ 36.2
Catalytic converter/muffler nut	6	39.2 ~ 58.8	4.0 ~ 6.0	28.9 ~ 43.4

NOTE
For additional crankshaft pulley bolt torque information, refer to GAMMA ENGINE CRANKSHAFT PULLEY BOLT INFORMATION .

TIGHTENING TORQUES