Hyundai Sonata: Specifications - General Information - Engine Mechanical SystemHyundai Sonata: Specifications

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
9.5 : 1
?
Firing order
1-3-4-2
?
Valve timing
Intake valve
Opens
ATDC 8°/BTDC 42°
?
Closes
ABDC 69°/ABDC 19°
?
Exhaust valve
Opens
BBDC 40°/BBDC 0°
?
Closes
ATDC 3°/ATDC 43°
?
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)
?
Exhaust
42.90mm (1.6889in)
?
Journal outer diameter (Intake, Exhaust)
NO1 : 36.464 ~ 36.48mm
NO2 : 22.964 ~ 22.980mm
?
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)
?
Exhaust
92.60mm (3.6457in)
?
Stem outer diameter
Intake
5.465 ~ 5.480mm (0.2152 ~ 0.2157in)
?
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)
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)
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)
?
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
1.53 ~ 1.55mm (0.0602 ~ 0.0610in)
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
19.997 ~ 20.000mm (0.7872 ~ 0.7874in)
?
Piston pin hole inner diameter
20.004 ~ 20.010mm (0.7875 ~ 0.7877in)
?
Piston pin hole clearance
0.004 ~ 0.013mm (0.0001 ~ 0.0005in)
?
Connecting rod small end hole inner diameter
20.005 ~ 20.016mm (0.7875 ~ 0.7880in)
?
Connecting rod
Connecting rod big end inner diameter
45.000 ~ 45.018mm (1.7717 ~ 1.7724in)
?
Connecting rod bearing oil clearance
0.018 ~ 0.036mm (0.0007 ~ 0.0014in)
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
0.0006 ~ 0.024mm (0.0002 ~ 0.0009in)
0.05mm (0.0020in)
End play
0.05 ~ 0.25mm (0.0020 ~ 0.0098in)
0.3mm (0.0118in)
Engine oil
Oil quantity
Total
4.6 ~ 4.9L (1.21 ~ 1.29 U.S.gal., 4.86 ~ 5.17 U.S.qt., 4.04 ~ 4.30 lmp.qt.)
When replacing a short engine or a block assembly
Oil pan
4.2 L (1.10 U.S.gal., 4.43 U.S.qt., 1.10 lmp.qt.)
?
Drain and refill
4.5 L (1.18 U.S.gal., 4.75 U.S.qt., 3.95 lmp.qt.)
Including oil filter
Oil grade
Recommendation
ACEA A5 or above/ 5W-30
(ZIC LD 5W-30, KIXX G1 LL, QUARTZ HKS G-310, QUARTZ INEO MC3 5W-30, HELIX ULTRA AH-E 5W-30, HELIX ULTRA 5W-40, TITAN SUPERSYN LONG LIFE 5W-30/40)
SAE viscosity grade
Recommended SAE viscosity number
?
Oil pressure (at 1000rpm)
100kPa (1.0kg/cm?, 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
7.1 L (1.87 U.S.gal., 7.50 U.S.qt., 6.24 lmp.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?, 13.51 ~ 17.78psi)
?
Vacuum valve opening pressure
MAX. 6.86 kpa(0.07kgf/cm?, 1.00 psi)
?
Water temperature sensor
Type
Thermister type
?
Resistance
20°C (68°F)
2.45±0.14 k?
?
80°C (176°F)
0.3222 k?
?

Tightening Torques
Item
N.m
kgf.m
lb-ft
Engine mounting
Engine mounting bracket to body fixing bolt
68.6 ~ 88.3
7.0 ~ 9.0
50.6 ~ 65.1
Engine mounting support bracket to engine mounting insulator fixing nut
88.3 ~ 107.9
9.0 ~ 11.0
65.1 ~ 79.6
Engine mounting support bracket to engine support bracket fixing bolt
88.3 ~ 107.9
9.0 ~ 11.0
65.1 ~ 79.6
Engine mounting support bracket to engine support bracket fixing nut
88.3 ~ 107.9
9.0 ~ 11.0
65.1 ~ 79.6
Transaxle mounting bracket to body fixing bolt
68.6 ~ 88.3
7.0 ~ 9.0
50.6 ~ 65.1
Transaxle mounting insulator to transaxle mounting support bracket fixing bolt
107.9 ~ 127.5
11.0 ~ 13.0
79.6 ~ 94.0
Roll rod bracket to sub frame fixing bolt
49.0 ~ 63.7
5.0 ~ 6.5
36.2 ~ 47.0
Roll rod insulator to roll rod mounting support bracket fixing nut
107.9 ~ 127.5
11.0 ~ 13.0
79.6 ~ 94.0
Timing system
Timing chain and oil pump assembly cover bolt (M6x20)
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Timing chain and oil pump assembly cover bolt (M6x38)
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Timing chain and oil pump assembly cover bolt (M6x70)
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Timing chain and oil pump assembly cover bolt (M8x22)
18.6 ~ 23.5
1.9 ~ 2.4
13.7 ~ 17.4
Idler pulley assemlby bolt
42.2 ~ 53.9
4.3 ~ 5.5
31.1 ~ 39.8
Timing chain tensioner arm bolt
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Timing chain guide bolt
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Crankshaft pulley bolt
[47.0 ~ 50.9] + [38°~ 42°]
[4.8 ~ 5.2] + [38°~ 42°]
[34.7 ~ 37.6] + [38°~ 42°]
Engine support bracket bolt
29.4 ~ 41.1
3.0 ~ 4.2
21.6 ~ 30.3
Timing chain tensioner bolt
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Cylinder head
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]
Camshaft bearing cap bolt (M6)
[5.9] + [11.8~13.7]
[0.6] + [1.2~1.4]
[4.3] + [8.7~10.1]
Camshaft bearing cap bolt (M8)
18.6 ~ 22.6
1.9 ~ 2.3
13.7 ~ 16.6
Cylinder head bolt
[29.4] + [90°] + [90°]
[3.0] + [90°] + [90°]
[21.7] + [90°] + [90°]
CVVT assembly mounting bolt
63.7 ~ 73.5
6.5 ~ 7.5
47.0 ~ 54.2
OCV (Oil control valve) bolt
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Exhaust OCV (Oil control valve) adaptor bolt
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Cylinder block
Engine support bracket bolt
29.4 ~ 41.2
3.0 ~ 4.2
21.7 ~ 30.4
Ladder frame bolt
18.6 ~ 23.5
1.9 ~ 2.4
13.7 ~ 17.4
Connecting rod cap bolt
[17.7~21.6] + [88~92°]
[1.8~2.2] + [88~92°]
[13.0~15.9] + [88~92°]
Crankshaft main bearing cap bolt
[17.7~21.6] + [88~92°]
[1.8~2.2] + [88~92°]
[13.0~15.9] + [88~92°]
External damper flywheel
71.6 ~ 75.5
7.3 ~ 7.7
52.8 ~ 55.7
Lubrication system
Oil filter
11.8 ~ 15.7
1.2 ~ 1.6
8.7 ~ 11.6
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
25.3 ~ 32.5
Oil screen bolt
19.6 ~ 26.5
2.0 ~ 2.7
14.5 ~ 19.5
Oil pressure switch
7.8 ~ 11.8
0.8 ~ 1.2
5.8 ~ 8.7
Oil level gauge assembly mounting bolt
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Cooling system
Water pump pulley bolt
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Water pump bolt
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Water temperature control assembly mounting bolt
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Water inlet fitting nut
18.6 ~ 23.5
1.9~ 2.4
13.7 ~ 17.4
Water pipe mounting bolt (M6)
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Water pipe mounting nut
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Water pipe mounting bolt (M8)
Repair procedures
Compession Pressure Inspection     If the there is lack of power, excessive oil consumption or poor fuel economy, measure the compression pressure. 1. Make sure the oil in the ...

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