Hyundai i-30: Engine Mechanical System / Specifications

Hyundai i30 (PD) 2018-2024 Service Manual / Engine Mechanical System / Specifications

Specifications
Description
Specification
Limit
General
Type
In-line, DOHC

Number of cylinders
4

Bore
71.6 mm (2.8189 in.)

Stroke
92.0 mm (3.6220 in.)

Total displacement
1.482 cc (90.43 cu.in)

Compression ratio
10.5 : 1

Firing order
1 - 3 - 4 - 2

Valve timing
Intake valve
Opens
BTDC 111.7° - BTDC 41.7°

Closes
BBDC 38.7° - ABDC 31.3°

Exhaust valve
Opens
BBDC 44.4° - ABDC 5.6°

Closes
ATDC 3° - ATDC 50.3°

Cylinder head
Flatness of gasket surface
Less than 0.05 mm (0.0025 in.)

Less than 0.02 mm (0.0008 in.) / 100 x 100
Flatness of manifold
Intake
Less than 0.1 mm (0.0039 in.)

mounting surface
Exhaust
Less than 0.1 mm (0.0039 in.)

Camshaft
Camheight
Intake
36.125 mm (1.4222 in.)

Exhaust
35.73 mm (1.4067 in.)

Journal outer Diameter
Intake
No.1: 36.454 - 36.468 mm

(1.43877 - 1.43574 in.)
No.2,3,4,5: 22.964 - 22.978 mm

(0.90409 - 0.90464 in.)
Exhaust
No.1: 36.454 - 36.468 mm

(1.43877 - 1.43574 in.)
No.2,3,4,5: 22.954 - 22.968 mm

(0.90370 - 0.90425 in.)
End play
0.10 - 0.20 mm (0.0039 - 0.0078 in.)

Valve
Valve length
Intake
100.94 mm (3.9740 in.)

Exhaust
101.14 mm (3.9818 in.)

Stem outer diameter
Intake
5.460 - 5.475 mm (0.2149 - 0.2155 in.)

Exhaust
5.443 - 5.455 mm (0.2142 - 0.2247 in.)

Face angle
45.25° - 45.75°

Thickness of valve head (margin)
Intake
0.85 - 1.15 mm (0.0334 - 0.0452 in.)

Exhaust
1.15 - 1.45 mm (0.0452 - 0.0570 in.)

Valve stem to valve guide clearance
Intake
0.025 - 0.052 mm (0.00098 - 0.00204 in.)

Exhaust
0.055 - 0.069 mm (0.00216 - 0.00271 in.)

Valve guide
Valve length
Intake
45.8 - 46.2 mm (1.8031 - 1.8188 in.)

Exhaust
45.8 - 46.2 mm (1.8031 - 1.8188 in.)

Valve spring
Free length
Intake
Exhaust

47.9 mm (1.8858 in.)
54.3 mm (2.1377 in.)

Load
16.7 ± 0.8 kgf.m / 35.5 mm
(36.81 ± 1.76 lb / 1.3976 in.)
23.5 ± 1.1 kgf.m / 35.5 mm
(51.81 ± 2.42 lb / 1.3976 in.)

30.2 ± 1.4 kgf.m / 26.8 mm
(65.57 ± 3.08 lb / 1.0905 in.)
36.2 ± 1.2 kgf.m / 27.7 mm
(79.81 ± 2.64 lb / 1.0905 in.)

Out of squareness
1.5° MAX

Cylinder block
Cylinder bore
71.60 - 71.63 mm (2.8188 -2.8200 in.)

Flatness of gasket surface
Less than 0.05 mm (0.0020 in)

Less than 0.02 mm (0.0008 in) / 100 x 100
Piston
Piston outer diameter
71.555 - 71.585 mm (2.8171 - 2.8183 in)

Piston to cylinder clearance
0.035 - 0.055 mm (0.0014 - 0.0022 in)

Ring groove width
No. 1 ring groove
1.235 - 1.250 mm (0.0486 - 0.0492 in.)

No. 2 ring groove
1.03 - 1.05 mm (0.0405 - 0.0413 in)

Oil ring groove
1.995 - 2.010 mm (0.0785 - 0.0791 in)

Piston ring
Side clearance
No. 1 ring
0.05 - 0.08 mm (0.0020 - 0.0031 in)

No. 2 ring
0.04 - 0.08 mm (0.0015 - 0.0031 in)

Oil ring
0.040 - 0.085 mm (0.0016 - 0.0033 in)

End gap
No. 1 ring
0.13 - 0.18 mm (0.0051 - 0.0071 in)

No. 2 ring
0.25 - 0.35 mm (0.0098 - 0.0137 in)

Oil ring
0.10 - 0.40 mm (0.0039 - 0.0157 in)

Piston pin
Piston pin outer diameter
17.997 - 18.000 mm (0.7085 - 0.7086 in)

Piston pin hole inner diameter
18.007 - 18.011 mm (0.7089 - 0.7090 in.)

Piston pin hole clearance
0.007 - 0.014 mm (0.00027 - 0.00055 in.)

Connecting rod small end hole inner diameter
18.005 - 18.011 mm (0.7088 - 0.7090 in)

Connecting rod small end hole clearance
0.005 - 0.014 mm (0.00019 - 0.00055 in) 

Connecting rod
Connecting rod big end inner diameter
42.000 - 42.018 mm (1.6535-1.6542 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)

Crankshaft
Main journal outer diameter
47.942 - 47.960 mm (1.8875 - 1.8882 in.)

Pin journal outer diameter
38.954 - 38.972 mm (1.5336 - 1.5343 in)

Main bearing oil clearance
No.1,2,4,5 : 0.012 - 0.030 mm (0.0005 - 0.0012 in)
NO.3 : 0.018 - 0.036 mm (0.0007 - 0.0014 in.)

End play
0.10 - 0.28 mm (0.0039 - 0.0110 in)

Engine oil
Oil quantity
Total
4.3(1.13 U.S.gal., 4.54 U.S.qt., 3.78 lmp.qt.) ~
4.6 L (1.21 U.S.gal., 4.86 U.S.qt., 4.04 lmp.qt.)
When replacing a short engine or a block assembly
Oil pan
3.8 L (1.00 U.S.gal., 4.01 U.S.qt., 3.34 lmp.qt.)

Drain and refill
4.2 L (1.10 U.S.gal., 4.43 U.S.qt., 3.69 lmp.qt.)
Including oil filter
Oil grade
Specifications
0W-20 / API SN+/SP or ILSAC GF-6
Information
• Refer to the "Lubrication System" for recommended SAE viscosity number.


Oil pressure (at 1000rpm)
0.9 bar or above
Oil temperature in oil pan : 110 ± 2°C (230±3.6°F)
Cooling method
Cooling system
Forced circulation with water pump

Coolant quantity
6.1 L (1.61 U.S.gal., 6.44 U.S.qt., 5.36 lmp.qt.)

Reservoir tank cap
Main valve opening temperature
93.16 - 122.58 kpa

(0.95 - 1.25 kg/cm2, 13.51 - 17.78 psi)
Vacuum valve opening temperature
Max 6.8 kpa

(Max 0.07 kg/cm2, 0.99 psi)

Tightening Torques
Item
N.m
kgf.m
lb-ft
Engine mounting
Engine mounting bracket and body fixing blot
63.7 - 83.3
6.5 - 8.5
47.0 - 61.4
Engine mounting insulator to engine mounting support bracket fixing nut
88.3 - 107.9
9.0 - 11.0
65.1 - 79.6
Engine mounting support bracket and engine support bracket fixing bolt
58.8 - 73.5
6.0 - 7.5
43.4 - 54.2
Engine mounting support bracket and engine support bracket fixing nut
58.8 - 73.5
6.0 - 7.5
43.4 - 54.2
Transaxle mounting bracket and body fixing bolt
63.7 - 83.3
6.5 - 8.5
47.0 - 61.4
Transaxle mounting bracket and transaxle mounting support bracket fixing bolt
88.3 - 107.9
9.0 - 11.0
65.1 - 79.6
Roll rod bracket and sub frame fixing bolt
49.0 - 63.7
5.0 - 6.5
36.2 - 47.0
Roll rod bracket to roll rod support bracket fixing bolt
107.9 - 127.5
11.0 - 13.0
79.6 - 94.0
Main moving system
Connecting rod bearing cap bolt
[10.7 - 14.7] + [88 - 92°]
[1.1 - 1.5] + [88 - 92°]
[7.9 - 10.8] + [88 - 92°]
Crankshaft main bearing cap bolt
[17.6 - 21.5] + [88 - 92°]

[1.8 - 2.2] + [88 - 92°]

[13.0 - 15.9] + [88 - 92°]

Fly wheel bolt
73.5 - 83.3
7.5 - 8.5
54.2 - 61.4
Timing chain
Timing chain cover bolt (A)
28.4 - 31.8
2.9 - 3.2
20.9 - 23.1
Timing chain cover bolt (B)
44.1 - 53.9
4.5 - 5.5
32.5 - 39.8
Timing chain cover bolt (C)
44.1 - 53.9
4.5 - 5.5
32.5 - 39.8
Crankshaft damper pulley bolt
[75.5 - 81.4 ] + [76° - 78°]
[7.7 - 8.3] + [76° - 78°]
[55.7 - 60.0] + [76° - 78°]
Timing chain tensioner bolt
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
Timing chain cam to cam guide bolt
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
Timing chain tensioner arm bolt
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
Timing chain guide bolt
18.6 - 21.6
1.9 - 2.2
13.7 - 15.9
Idler bolt
44.1 - 53.9
4.5 - 5.5
32.5 - 39.7
Drive belt tensioner bolt
19.6 - 26.5
2.0 - 2.7
14.5 - 19.5
Cylinder head
High pressure fuel pipe nut
26.5 - 32.4
2.7 - 3.3
19.5 - 23.9
High pressure fuel pump fixing bolt
12.7 - 14.7
1.3 - 1.5
9.4 - 10.8
Cylinder head cover bolt
[3.9 - 5.9] + [7.8 - 9.8]
[0.4 - 0.6] + [0.8 - 1.0]
[2.9 - 4.3] + [5.8 - 7.2]
Intake OCV & center bolt
[22.5 - 26.4] + [28° - 32°]
[2.3 - 2.7] + [28° - 32°]
[16.6 - 19.5] + [28° - 32°]
Exhaust OCV & center bolt
[22.5 - 26.4] + [32° - 36°]
[2.3 - 2.7] + [32° - 36°]
[16.6 - 19.5] + [32° - 36°]
Camshaft bearing cap bolt (M6)
11.7 - 13.7
1.2 - 1.4
8.6 - 10.1
Camshaft bearing cap bolt (M8)
18.6 - 22.5
1.9 - 2.3
13.7 - 16.6
Cylinder head bolt
[12.7 - 16.7] + [140 - 145°] + [140 - 145°]
[1.3 - 1.7] + [140 - 145°] + [140 - 145°]
[9.4 - 12.3] + [140 - 145°] + [140 - 145°]
Cylinder block
Ladder frame bolt
18.6 - 23.5
1.9 - 2.4
13.7 - 17.3
Oil jet bolt
8.8 - 12.7
0.9 - 1.3
6.5 - 9.4
Cooling system
Water pump bolt
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
Water pump housing bolt
18.6 - 23.5
1.9 - 2.4
13.7 - 17.4
Heater pipe bolt & nut
18.6 - 23.5
1.9 - 2.4
13.7 - 17.4
Water inlet fitting bolt & nut
18.6 - 23.5
1.9 - 2.4
13.7 - 17.3
Integrated Thermal Management Module (ITM)
18.6 - 23.5
1.9 - 2.4
13.7 - 17.3
Lubrication system
Oil filter
11.8 - 15.7
1.2 - 1.6
8.7 - 11.6
Oil pump
18.6 - 23.5
1.9 - 2.4
13.7 - 17.3
Oil pan bolt
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
Oil pan drain plug
34.3 - 44.1
3.5 - 4.5
25.2 - 32.4
Oil pressure Control Solenoid Valve
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
Intake and exhaust system
Air intake hose clamp bolt
3.9 - 5.9
0.4 - 0.6
2.9 - 4.3
Air cleaner assembly bolt
7.8 - 9.8
0.8 - 1.0
5.8 - 7.2
Intake manifold bolt
18.6 - 23.5
1.9 - 2.4
13.7 - 17.4
Vacuum hose & pipe mounting bolt
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
Lower catalytic converter stay (WCC)
39.2 - 44.1
4.0 - 4.5
28.9 - 32.5
Upper catalytic converter stay (WCC)
18.6 - 23.5
1.9 - 2.4
13.7 - 17.4
Turbo charger oil drain pipe bolt (to cylinder block)
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
Turbo charger oil feed pipe bracket bolt
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
Turbo charger oil feed pipe (to cylinder block)
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
Turbo charger oil drain pipe bolt (to turbo charger)
22.5 - 26.4
2.3 - 2.7
16.6 - 19.5
Turbo charger oil feed pipe eye bolt (to turbo charger)
22.5 - 26.4
2.3 - 2.7
16.6 - 19.5
Turbo charger water feed pipe (to cylinder block)
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
Turbo charger water feed pipe eye bolt (to turbo charger)
26.4 - 32.3
2.7 - 3.3
19.5 - 23.8
Turbo charger water drain pipe mounting bracket bolt(to head cover)
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
Turbo charger water drain pipe mounting bracket bolt (to heat protector)
9.8 - 11.8
1.0 - 1.2
7.2 - 8.7
Turbo charger water drain pipe eye bolt(to turbo charger)
26.4 - 32.3
2.7 - 3.3
19.5 - 23.8
Turbo manifold module nut
34.3 - 42.2
3.5 - 4.3
25.3 - 31.1
EGR cooler mounting bolt
22.5 - 26.4
2.0 - 2.5
16.6 - 19.5
Intercooler inlet pipe mounting bolt
18.6 - 23.5
1.9 - 2.4
13.7 - 17.4
Intercooler mounting bolt
6.8 - 10.7
0.7 - 1.1
5.0 - 7.9
Catalytic convertor mounting nut (WCC)
39.2 - 49.0
4.0 - 4.5
28.9 - 36.1
Muffler monting nut
39.2 - 58.8
4.0 - 6.0
28.9 - 43.4

    Engine Mechanical System

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