Hyundai Sonata: General Information / Specifications
Hyundai Sonata LF 2014-2019 Service Manual / Engine Mechanical System / General Information / 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) |
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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