Hyundai Elantra: General Information / Specifications
Hyundai Elantra AD (2016-2020) Service Manual / Engine Mechanical System / General Information / 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)
| |||||||||
| 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 | < | |
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 ...
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