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

Specifications
Description
Specifications
Limit
General
Type
In-line, DOHC

Number of cylinders
4

Bore
81.0 mm (3.1890 in.)

Stroke
97.0 mm (3.8189 in.)

Total displacement
1999 cc (121.99 cu.in.)

Compression ratio
12.5±0.2 : 1

Firing order
1-3-4-2

Valve timing
Intake valve
Open
[BTDC 38° ~ ATDC 2°(initial position)] ~ [ATDC 42°]

Close
[ABDC 43° ~ ABDC 83°(initial position)] ~ [ABDC 123°]

Exhaust valve
Open
BBDC 54° ~ ABDC 6°

Close
ATDC 1° ~ ATDC 61°

Camshaft
Cam height
Intake
39.0 mm (1.5354 in.)

Exhaust
38.66 mm (1.5220 in.)

Journal outer diameter
Intake
No.1: 35.959 ~ 35.975 mm
(1.41571 ~ 1.41634 in.)

No.2,3,4,5: 22.959 ~ 22.975 mm
(0.90390 ~ 0.90453 in.)

Exhaust
No.1: 35.959 ~ 35.975 mm
(1.41571 ~ 1.41634 in.)

No.2,3,4,5: 22.959 ~ 22.975 mm
(0.90390 ~ 0.90453 in.)

Bearing oil clearance
Intake
No.1: 0.032 ~ 0.062 mm
(0.00126 ~ 0.00244 in.)

No.2,3,4,5: 0.032 ~ 0.062 mm
(0.00126 ~ 0.00244 in.)


Exhaust
No.1: 0.032 ~ 0.062 mm
(0.00126 ~ 0.00244 in.)


No.2,3,4,5: 0.032 ~ 0.062 mm
(0.00126 ~ 0.00244 in.)


End play
0.10 ~ 0.19 mm (0.0039 ~ 0.0075 in.)

Valve
Valve length
Intake
102.22 mm (4.0244 in.)
101.97 mm (4.0146 in.)
Exhaust
104.04 mm (4.0961 in.)
103.79 mm (4.0862 in.)
Stem outer diameter
Intake
5.465 ~ 5.480 mm (0.21516 ~ 0.21575 in.)

Exhaust
5.458 ~ 5.470 mm (0.21488 ~ 0.21535 in.)

Face angle
45.25° ~ 45.75°

Thickness of valve head
(margin)
Intake
1.41 ~ 1.71 mm (0.0555 ~ 0.0673 in.)

Exhaust
1.55 ~ 1.85 mm (0.0610 ~ 0.0728 in.)

Valve stem to valve guide clearance
Intake
0.020 ~ 0.047 mm (0.00079 ~ 0.00185 in.)

Exhaust
0.030 ~ 0.054 mm (0.00118 ~ 0.00213 in.)

Valve guide
Length
Intake
43.8 ~ 44.2 mm (1.7244 ~ 1.7402 in.)

Exhaust
43.8 ~ 44.2 mm (1.7244 ~ 1.7402 in.)

Inner diameter
Intake
5.500 ~ 5.512 mm (0.21654 ~ 0.21701 in.)

Exhaust
5.500 ~ 5.512 mm (0.21654 ~ 0.21701 in.)

Valve seat
Width of seat contact
Intake
1.05 ~ 1.35 mm (0.0413 ~ 0.0532 in.)

Exhaust
1.35 ~ 1.65 mm (0.0532 ~ 0.0650 in.)

Seat angle
Intake
44° 45' ~ 45° 6'

Exhaust
44° 45' ~ 45° 6'

Valve spring
Free length
45.93 mm (1.8083 in.)

Load
19.6 ± 1.0 kg / 37.0 mm
(43.21 ± 2.20 lb / 1.4567 in.)

45.7 ± 1.8 kg / 27.0 mm
(100.75 ± 3.97 lb / 1.0630 in.)

Out of squareness
Less than 1.5°

Cylinder head
Flatness of gasket surface
Less than 0.05 mm (0.0020 in.) for total area

Less than 0.02 mm (0.0008 in.) for a section of 100 mm (3.9370 in.) x 100 mm (3.9370 in.)

Flatness of manifold mounting surface
Intake
Less than 0.10 mm (0.0039 in.)

Exhaust
Less than 0.10 mm (0.0039 in.)

Piston
Piston outer diameter
80.97 ~ 81.00 mm (3.1878 ~ 3.1890 in.)

Piston to cylinder clearance
0.02 ~ 0.04 mm (0.0008 ~ 0.0016 in.)

Ring groove width
No. 1 ring
1.030 ~ 1.050 mm (0.04055 ~ 0.04134 in.)

No. 2 ring
1.230 ~ 1.250 mm (0.04843 ~ 0.04921 in.)

Oil ring
2.010 ~ 2.025 mm (0.07913 ~ 0.07972 in.)

Piston ring
Side clearance
No. 1 ring
0.040 ~ 0.080 mm (0.00157 ~ 0.00315 in.)

No. 2 ring
0.040 ~ 0.080 mm (0.00157 ~ 0.00315 in.)

Oil ring
0.020 ~ 0.055 mm (0.00079 ~ 0.00216 in.)

End gap
No. 1 ring
0.15 ~ 0.30 mm (0.0059 ~ 0.0118 in.)

No. 2 ring
0.30 ~ 0.45 mm (0.0118 ~ 0.0177 in.)

Oil ring
0.20 ~ 0.40 mm (0.0079 ~ 0.0157 in.)

Piston pin
Piston pin outer diameter
19.997 ~ 20.000 mm (0.78728 ~ 0.78740 in.)

Piston pin hole inner diameter
20.004 ~ 20.009 mm (0.78756 ~ 0.78775 in.)

Piston pin hole clearance
0.004 ~ 0.012 mm (0.00016 ~ 0.00047 in.)

Connecting rod small end hole inner diameter
20.007 ~ 20.015 mm (0.78768 ~ 0.78799 in.)

Piston pin-to-connecting rod bushing oil clearance
0.007 ~ 0.018 mm (0.00028 ~ 0.00071 in.)

Connecting rod
Connecting rod big end inner diameter
48.000 ~ 48.018 mm (1.88976 ~ 1.89047 in.)

Connecting rod bearing oil clearance
0.024 ~ 0.042 mm (0.00094 ~ 0.00165 in.)

Side clearance
0.10 ~ 0.25 mm (0.0039 ~ 0.0098 in.)

Crankshaft
Main journal outer diameter
54.942 ~ 54.960 mm (2.16307 ~ 2.16378 in.)

Pin journal outer diameter
44.954 ~ 44.972 mm (1.76984 ~ 1.77055 in.)

Main bearing oil clearance
0.016 ~ 0.034 mm (0.00063 ~ 0.00134 in.)

End play
0.07 ~ 0.25 mm (0.0028 ~ 0.0098 in.)

Cylinder block
Cylinder bore
81.00 ~ 81.03 mm (3.1890 ~ 3.1902 in.)

Flatness of gasket surface
Less than 0.05 mm (0.0020 in.) for total area

Less than 0.02 mm (0.0008 in.) for a section of 100 mm (3.9370 in.) x 100 mm (3.9370 in.)

Engine oil
Oil quantity
Total
4.5 L (1.19 U.S.gal., 4.76 U.S.qt., 3.96 lmp.qt.)
When replacing a short engine or block assembly
Oil pan
3.7 L (0.98 U.S.gal., 3.91 U.S.qt., 3.26 lmp.qt.)

Drain and refill
4.0 L (1.06 U.S.gal., 4.23 U.S.qt., 3.52 lmp.qt.)
Including oil filter
Oil grade
Specifications
5W-20 / API SM& ILSAC GF-4 (or above) / ACEA A5 (or above)
   
API SL, ILSAC GF-3, ACEA A3 Class engine oil can be used if the recommended engine oil is not available.
Refer to the "Lubrication System" for recommended SAE viscosity number.

Oil pressure (at 1,000rpm)
90.22 kPa (0.92 kgf/cm?, 13.09 psi) or above
Oil temperature (oil pan): 110±2°C (230±35.6°F)
Oil Pump
Relief valve opening pressure
500.14 ~ 600.16 kPa (5.10 ~ 6.12 kgf/cm?,
72.54 ~ 87.05 psi) (5~6bar)

Side clearance
0.040 ~ 0.090 mm (0.00157 ~ 0.00354 in.)

Body clearance
0.200 ~ 0.292 mm (0.00787 ~ 0.01149 in.)

Guide clearance
0.030 ~ 0.075 mm (0.00118 ~ 0.00295 in.)

Cooling system
Cooling method
Forced circulation with cooling fan

Coolant quantity
Approx. 6.6 L (1.66 U.S.gal., 6.97 U.S.qt., 5.81 lmp.qt.)

Electric thermostat (ECT)
Type
Wax pellet type

Opening
temperature
100±2°C (212±35.6°F)

Full opening valve lift / temperature
More than 8 mm (0.3 in.) / 115°C (239°F)

Radiator cap
Main valve opening pressure
93.16 ~ 122.58 kPa
(0.95 ~ 1.25 kgf/cm?, 13.51 ~ 17.78 psi)

Vacuum valve opening pressure
0 ~ 6.86 kPa (0 ~ 0.07 kgf/cm?, 0 ~ 1.00 psi)


Liquid Gasket
Location
Product
Mating surface of timing chain cover
Threebond 1217H or equivalent
Front area of mating surface between cam carrier and cylinder head
Front area of mating surface between cylinder block and head
Upper area of mating surface between timing chain cover and cam carrier
Front upper area of cylinder block 
Front upper area of cylinder head gasket
Lower area of cam carrier
Lower area of cylinder block
Mating surface of oil pan
Mating surface of oil pressure switch
THREEBOND 2403

Tightening Torques
Item
N.m
kgf.m
lb-ft
Engine mounting
Engine mounting bracket to body fixing bolt
49.0 ~ 63.7
5.0 ~ 6.5
36.2 ~ 47.0
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
58.8 ~ 73.5
6.0 ~ 7.5
43.4 ~ 54.2
Engine mounting support bracket to engine support bracket fixing nut
58.8 ~ 73.5
6.0 ~ 7.5
43.4 ~ 54.2
Transaxle mounting bracket to body fixing bolt
49.0 ~ 63.7
5.0 ~ 6.5
36.2 ~ 47.0
Transaxle mounting bracket  to transaxle mounting support bracket fixing bolt
88.3 ~ 107.9
9.0 ~ 11.0
65.1 ~ 79.6
Roll rod bracket to 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 & nut
107.9 ~ 127.5
11.0 ~ 13.0
79.6 ~ 94.0
Timing system
Crankshaft pulley bolt
196.1 ~ 205.9
20.0 ~ 21.0
144.7 ~ 151.9
Timing chain cover service plug bolt
29.4 ~ 39.2
3.0 ~ 4.0
21.7 ~ 28.9
Timing chain cover bolt (M10x55)
39.2 ~ 49.0
4.0 ~ 5.0
28.9 ~ 36.2
Timing chain cover bolt (M10x85)
39.2 ~ 49.0
4.0 ~ 5.0
28.9 ~ 36.2
Timing chain cover bolt - Seal bolt (M6x38)
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Timing chain cover bolt - Seal bolt (M8x50)
19.6 ~ 23.5
2.0 ~ 2.4
14.5 ~ 17.4
Timing chain cover bolt (M8x50)
18.6 ~ 23.5
1.9 ~ 2.4
13.7 ~ 17.4
Timing chain cover bolt (M8x28)
18.6 ~ 23.5
1.9 ~ 2.4
13.7 ~ 17.4
Timing chain tensioner bolt
9.8 ~ 11.8
1.0 ~ 1.2
7.2 ~ 8.7
Timing chain tensioner arm bolt
18.6 ~ 22.6
1.9 ~ 2.3
13.7 ~ 16.6
Timing chain guide bolt
18.6 ~ 22.6
1.9 ~ 2.3
13.7 ~ 16.6
Cylinder head
Engine cover mounting bolt
7.8 ~ 9.8
0.8 ~ 1.0
5.8 ~ 7.2
Ignition coil bolt
9.8 ~ 11.8
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    Repair procedures
    Compression Pressure Inspection     • If the there is lack of power, excessive oil consumption or poor fuel economy, measure the compression pressure. 1. Warm up and st ...