| Four cylinder, water cooled engine with one chain driven overhead camshaft | |
| Engine code: | |
| - low pressure turbo |
X20DTL
|
| - high pressure turbo |
X20DTH
|
| Cylinder diameter |
84 mm
|
| Piston stroke |
90 mm
|
| Working volume |
1995 cm³
|
| Cylinder firing order |
1–3–4–2 (cylinder N 1 is located on the chain side)
|
| Direction of rotation of the crankshaft |
clockwise when viewed from the chain side
|
| Compression ratio |
18,5:1
|
| Maximum power: | |
| - low pressure turbo |
60 kW at 4300 rpm
|
| - high pressure turbo |
74 kW at 4300 rpm
|
| Maximum torque: | |
| - low pressure turbo |
185 Nm at 1800 – 2500 rpm
|
| - high pressure turbo |
205 Nm at 1600 – 2750 rpm
|
| Compression pressure |
17 – 24 bar
|
| Maximum difference in compression pressure between any two cylinders |
1.0 bar
|
| Camshaft | |
| Backlash |
0.04 – 0.14 mm
|
| Maximum permissible radial runout |
0.06 mm
|
| Valve cam lift |
8.0 mm
|
| Lubrication system | |
| Minimum allowable oil pressure at idle speed running and engine temperature 80°C |
1.5 bar
|
Tightening torques, Nm
| Tensioner Pulley Support Plate Pivot Bolt |
42 Nm
|
| Tensioner strut mounting bolts |
23 Nm
|
| Camshaft Bearing Cap Fastening Bolts |
20 Nm
|
| Head cover mounting bolts |
8 Nm
|
| Camshaft Sprocket Mounting Bolt: | |
| - stage 1 |
90 Nm
|
| - stage 2 |
turn to an angle of 60°
|
| - stage 3 |
turn to an angle of 30°
|
| Connecting rod lower head bearing cap mounting bolts: | |
| - stage 1 |
35 Nm
|
| - stage 2 |
turn to an angle of 45°
|
| - stage 3 |
turn by 15°
|
| Crankshaft pulley mounting bolt: | |
| - stage 1 |
150 Nm
|
| - stage 2 |
turn to an angle of 45°
|
| - stage 3 |
turn by 15°
|
| Cylinder head mounting bolts: | |
| - stage 1 |
25 Nm
|
| - stage 2 |
turn to an angle of 65°
|
| - stage 3 |
turn to an angle of 65°
|
| - stage 4 |
turn to an angle of 65°
|
| - stage 5 |
turn to an angle of 65°
|
| - stage 6 |
turn by 15°
|
| Gearbox to engine mounting bolts: | |
| – M8 bolts |
20 Nm
|
| – M10 bolts |
40 Nm
|
| – M12 bolts |
60 Nm
|
| Front and right powertrain support mounting bolts to the engine |
60 Nm
|
| Front and right powertrain suspension mounting nuts to the lower frame |
45 Nm
|
| Bolts securing the rear support of the power unit to the bracket |
45 Nm
|
| Bolts securing the rear support of the power unit to the frame |
20 Nm
|
| Torque Compensation Rod Bolts |
60 Nm
|
| Gearbox to engine mounting bolts: | |
| – M8 bolts |
20 Nm
|
| – M10 bolts |
40 Nm
|
| – M12 bolts |
60 Nm
|
| Flywheel mounting bolts: | |
| - stage 1 |
45 Nm
|
| - stage 2 |
turn to an angle of 30°
|
| - stage 3 |
turn by 15°
|
| Fuel pump sprocket mounting bolt |
20 Nm
|
| Bearing cap mounting bolts: | |
| - stage 1 |
90 Nm
|
| - stage 2 |
turn to an angle of 60°
|
| - stage 3 |
turn by 15°
|
| Oil pump pressure relief valve |
60 Nm
|
| Oil pump cover |
8 Nm
|
| Oil receiver pipe mounting bolts |
8 Nm
|
| Cylinder Block Nozzle Mounting Bolts |
22 Nm
|
| Oil pan to cylinder block mounting bolts |
20 Nm
|
| Oil pan to gearbox mounting bolts: | |
| – M8 bolts |
20 Nm
|
| – M10 bolts |
40 Nm
|
| Oil drain plug |
18 Nm
|
| Left hinge tensioner pivot bolt |
20 Nm
|
| Loop tensioner head |
60 Nm
|
(Article posted on Internet portal: «OpelBook.ru»)
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