Engine Mechanical System
Specifications
In this manual: Engine Mechanical System
~9min read
Specifications
| Description | Specifications | Limit | |
| General | |||
| Good | 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 | 11,5±0,2:1 | ||
| Firing order | 1-3-4-2 | ||
| Valve Timing | |||
| Intake Valve | Open | BTDC 10° / ATDC 40° | |
| Closed | 67° ABDC ~ 17° ABDC | ||
| Exhaust Valve | Open | BBDC 54° / ABDC 6° | |
| Closed | BTDC 1° ~ BTDC 61° | ||
| Camshaft | |||
| CAM LOBE HEIGHT | LIMIT | 39.0 mm (1.5354 in) | |
| exhaust | 38.7 mm (1.5236 in.) | ||
| Crankpin Outer Diameter | LIMIT | 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 | LIMIT | 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.) |
|||
| Thrust Clearance | 0.10~0.19 mm (0.0039~0.0075 in.) | ||
| Valve | |||
| Valve length | LIMIT | 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 | LIMIT | 5.465 ~ 5.480 mm (0.21516 ~ 0.21575 in.) | |
| exhaust | 5.458 ~ 5.470 mm (0.21488 ~ 0.21535 in.) | ||
| Contact surface angle | 45,25°~45,75° | ||
| Valve head thickness (tolerance) |
LIMIT | 1.30 mm (0.0512 in.) | |
| exhaust | 1.26 mm (0.0496 in.) | ||
| Valve stem-to-guide clearance | LIMIT | 0.020 ~ 0.047 mm (0.00079 ~ 0.00185 in.) | |
| exhaust | 0.030 ~ 0.054 mm (0.00118 ~ 0.00213 in.) | ||
| VALVE GUIDE | |||
| Length | LIMIT | 43.8~44.2 mm (1.7244~1.7402 in.) | |
| exhaust | 43.8~44.2 mm (1.7244~1.7402 in.) | ||
| Inner Diameter | LIMIT | 5.500 ~ 5.512 mm (0.21654 ~ 0.21701 in.) | |
| exhaust | 5.500 ~ 5.512 mm (0.21654 ~ 0.21701 in.) | ||
| VALVE SEAT | |||
| Seat width | LIMIT | 1.05~1.35 mm (0.0413~0.0532 in.) | |
| exhaust | 1.35~1.65 mm (0.0532~0.0650 in.) | ||
| Seat Angle | LIMIT | 44° 45' ~ 45° 6' | |
| exhaust | 44° 45' ~ 45° 6' | ||
| Valve Spring | |||
| Free Length | 45.93 mm (1.8083 in.) | ||
| Charge | 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.) |
|||
| Misalignment | Less than 1.5° | ||
| CYLINDER HEAD COVER | |||
| Gasket Surface Flatness | Total area less than 0.05 mm (0.0020 in.) | ||
| Less than 0.02 mm (0.0008 in.) for a 100 mm (3.9370 in.) × 100 mm (3.9370 in.) section | |||
| Manifold Mounting Surface Flatness | LIMIT | 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.) | ||
| To 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 ~ 0.060 (0.00079 ~ 0.00236 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 | 0.20–0.50 mm (0.0079–0.0197 in.) | ||
| Piston Pin | |||
| Piston Pin Outer Diameter | 19.997~20.000 mm (0.78728~0.78740 in.) | ||
| Piston pin bore inside diameter | 20.008~20.013 mm (0.78771~0.78791 in.) | ||
| Piston Pin Bore Clearance | 0.004~0.016 mm (0.00016~0.00063 in.) | ||
| Connecting rod small end bore inside diameter | 20.008~20.013 mm (0.78771~0.78791 in.) | ||
| Oil clearance between piston pin and connecting rod | 0.007~0.016 mm (0.00028~0.00063 in.) | ||
| CONNECTING ROD | |||
| Connecting Rod Large End Inside 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 Outside Diameter | 54.942 ~ 54.960 mm (2.16307 ~ 2.16378 in.) | ||
| Journal Bearing Outside 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.) | ||
| Thrust Clearance | 0.07 ~ 0.25 mm (0.0028 ~ 0.0098 in.) | ||
| Cylinder block | |||
| Cylinder Bore Diameter | 81.00~81.03 mm (3.1890~3.1902 in.) | ||
| Gasket Surface Flatness | Total area less than 0.05 mm (0.0020 in.) | ||
| Less than 0.02 mm (0.0008 in.) for a 100 mm (3.9370 in.) × 100 mm (3.9370 in.) section | |||
| Engine Oil | |||
| Oil Quantity: | General | 4.5 L (1.19 U.S. gal, 4.76 U.S. qt, 3.96 L qt) | When replacing a short engine or block |
| DRAIN OIL | 3.7 L (0.98 US gal, 3.91 US qt, 3.26 Imp qt) | ||
| Drain and Refill | 4 L (1.06 US gal, 4.23 US qt, 3.52 Imp qt) | including oil filter | |
| Specifications | 5W-30 / ACEA A5 (or higher) |
||
| Oil Pressure (at 1000 rpm) | 98.07 kPa (1.0 kgf/cm², 14.22 psi) or more | Oil temperature (oil pan): 110 ± 2 °C | |
| Oil Pump | |||
| Relief Valve Opening Pressure | Step 1: 115~185 kPa (1.17~1.89 kgf/cm², 16.68~26.83 psi) Step 2: 500–600 kPa (5.10–6.12 kgf/cm², 72.52–87.02 psi) |
||
| Side Clearance | 0.040 ~ 0.090 mm (0.00157 ~ 0.00354 in.) | ||
| Body clearance | 0.200 ~ 0.292 mm (0.00787 ~ 0.01150 in.) | ||
| Guide clearance | 0.030 ~ 0.075 mm (0.00118 ~ 0.00295 in.) | ||
| COOLING SYSTEM | |||
| Cooling Method | Forced circulation with cooling fan | ||
| Coolant Capacity | 6.9 L (1.82 US gal, 7.29 US qt, 6.06 liters) | ||
| Thermostat | Good | Wax Pellet Type | |
| OPENING TEMPERATURE |
88 ± 1,5 °C | ||
| Temperature / Valve Lift at Fully Open | More than 8 mm (0.3 in.) / 100 °C | ||
| RADIATOR CAP | Main Valve Opening Pressure | 93.16~122.58 kPa (0.95~1.25 kgf/cm², 13.51~17.78 psi) |
|
| Vacuum Valve Opening Pressure | 0–6.86 kPa (0–0.07 kgf/cm², 0–1.00 psi) | ||
Liquid gasket
| LOCATION | Product |
| Mating surface of timing chain cover | Threebond 1217H or equivalent |
| Front side of the contact surface between the camshaft bracket and the cylinder head | |
| Front area of the contact surface between the cylinder block and the cylinder head | |
| Upper area of the contact surface between the timing chain cover and the camshaft support | |
| Front upper part of cylinder block | |
| Cylinder head gasket, front upper part | |
| Lower part of the camshaft bracket | |
| Lower part of the cylinder block | |
| Mating surface of oil pan | |
| Oil pressure switch contact surface | TRIPLE BOND 2403 |
Tightening Torque
| Item | N·m | kgf·m | lbf·ft |
| Engine Mounting | |||
| Bolt - Engine Mounting Bracket to Body | 63,7~83,4 | 6,5~8,5 | 47,0~61,5 |
| Nut - Engine Mounting Insulator to Engine Mounting Bracket | 88,3~107,9 | 9,0~11,0 | 65,1~79,6 |
| Bolt - Engine Mounting Bracket to Engine Bracket | 88,3~107,9 | 9,0~11,0 | 65,1~79,6 |
| Nut - Engine Mounting Bracket to Engine Support | 88,3~107,9 | 9,0~11,0 | 65,1~79,6 |
| Bolt - Transmission Mounting Bracket to Body | 63,7~83,4 | 6,5~8,5 | 47,0~61,5 |
| Bolt - Transmission Mounting Insulator to Transmission Mounting Bracket | 88,3~107,9 | 9,0~11,0 | 65,1~79,6 |
| Front Roll Rod Bracket-to-Subframe Bolt | 49,0~63,7 | 5,0~6,5 | 36,2~47,0 |
| Mounting bolt and nut between the roller arm bracket and the roller arm bracket | 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 Hole Plug Bolt | 29,4 - 39,2 | 3,0–4,0 | 21,7 - 28,9 |
| Timing chain cover bolt (M10 x 55) | 39,2~49,0 | 4,0~5,0 | 28,9~36,2 |
| Timing chain cover bolt (M10 x 85) | 39,2~49,0 | 4,0~5,0 | 28,9~36,2 |
| Timing chain cover bolt - waterproof bolt (M6 x 38) | 9,8 - 11,8 | 1,0 - 1,2 | 7,2 - 8,7 |
| Timing chain cover bolt - waterproof bolt (M8 x 50) | 19,6~23,5 | 2,0~2,4 | 14,5~17,4 |
| Timing chain cover bolt (M8 x 50) | 18,6~23,5 | 1,9~2,4 | 13,7~17,4 |
| Timing chain cover bolt (M8 x 28) | 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 Bolts | 18,6~22,6 | 1,9~2,3 | 13,7~16,6 |
| CYLINDER HEAD COVER | |||
| Engine case bolt | 7,8 - 9,8 | 0,8 - 1,0 | 5,8 - 7,2 |
| 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] |
| Fuel pump adapter bolt | 21,6~26,5 | 2,2~2,7 | 15,9~19,5 |
| CVVT bolt (left/right) | 64,7~76,5 | 6,6~7,8 | 47,7~56,4 |
| Camshaft Bearing Cap Bolt (M6) | 11,8~13,7 | 1,2~1,4 | 8,7~10,1 |
| Camshaft bearing cap bolt (M8) | 18,6~22,6 | 1,9~2,3 | 13,7~16,6 |
| Camshaft bracket bolt | 18,6~22,6 | 1,9~2,3 | 13,7~16,6 |
| Cylinder Head Bolt | (32,4~36,3) + (90~95°) + (90~95°) | (3,3~3,7) + (90~95°) + (90~95°) | (23,9~26,8) + (90~95°) + (90~95°) |
| Engine mounting bolt (front/rear) | 34,3~39,2 | 3,5 - 4,0 | 25,3~28,9 |
| Camshaft position sensor (LH/RH) | 9,8 - 11,8 | 1,0 - 1,2 | 7,2 - 8,7 |
| Oil control valve (OCV) bolt (LH/RH) | 9,8 - 11,8 | 1,0 - 1,2 | 7,2 - 8,7 |
| Cylinder block | |||
| Flywheel Bolt (M/T) | 117,7~127,5 | 12,0~13,0 | 86,8~93,9 |
| Drive plate bolt (transaxle) | 117,7~127,5 | 12,0~13,0 | 86,8~93,9 |
| Connecting Rod Bearing Cap Bolt | (17,7 ~ 21,6) + (88 ~ 92°) | (1,8 ~ 2,2) + (88 ~ 92°) | (13,0 ~ 15,9) + (88 ~ 92°) |
| Oil pan bolt | 18,6~23,5 | 1,9~2,4 | 13,7~17,4 |
| Main bearing cap bolts | [27,5~31,4] + [120~125°] | [2,8~3,2] + [120~125°] | [20,3~23,1] + [120~125°] |
| Crankshaft position sensor wheel screw | 10,8~11,8 | 1,1~1,2 | 8,0~8,7 |
| Knock sensor | 18,6~23,5 | 1,9~2,4 | 13,7~17,4 |
| Lubrication System | |||
| Oil Drain Plug | 34,3~44,1 | 3,5~4,5 | 25,3~32,5 |
| 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 Filter Bolt | 19,6 - 26,5 | 2,0 - 2,7 | 14,5 - 19,5 |
| Oil filter nut | 11,8~13,7 | 1,2~1,4 | 8,7~10,1 |
| Oil pressure sensor | 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 Bolts | 9,8 - 11,8 | 1,0 - 1,2 | 7,2 - 8,7 |
| Water inlet union nut | 18,6~23,5 | 1,9~2,4 | 13,7~17,4 |
| Water temperature control assembly bolt | 9,8 - 11,8 | 1,0 - 1,2 | 7,2 - 8,7 |
| Heater hose bolt | 19,6~23,5 | 2,0~2,4 | 14,5~17,4 |
| Intake and Exhaust System | |||
| Air intake hose clamp bolt | 2,9~4,9 | 0,3~0,5 | 2,2~3,6 |
| Air Cleaner Mounting Bolt | 3,9~5,9 | 0,4~0,6 | 2,9~4,3 |
| Electronic Throttle Control (ETC) Module Bolt | 9,8 - 11,8 | 1,0 - 1,2 | 7,2 - 8,7 |
| Intake Manifold Mounting Bolt | 18,6~23,5 | 1,9~2,4 | 13,7~17,4 |
| Intake manifold bolt | 18,6~23,5 | 1,9~2,4 | 13,7~17,4 |
| Intake manifold nut | 18,6~23,5 | 1,9~2,4 | 13,7~17,4 |
| Oxygen sensor (front/rear) | 39,2 ~ 49,0 | 4,0~5,0 | 28,9~36,2 |
| Exhaust manifold heat shield bolt | 9,8 - 11,8 | 1,0 - 1,2 | 7,2 - 8,7 |
| Exhaust Manifold Bracket Bolt | 39,2 ~ 49,0 | 4,0~5,0 | 28,9~36,2 |
| Exhaust manifold nut | 34,3~39,2 | 3,5 - 4,0 | 25,3~28,9 |
| Catalytic converter/muffler nut | 39,2~58,8 | 4,0~6,0 | 28,9~43,4 |
Test yourself
A quick Hyundai Tucson quiz: every answer comes with an explanation and a link to the manual page.
Was this page helpful?