Vektr B. Opel
+ 1.1. Governing bodies and control devices
+ 2. Maintenance
- 3. Engines
+ 3.1. Repair of the SOCH engine established in the car
+ 3.2. Repair of the DOCH engine established in the car
+ 3.3. Repair of the diesel engine of 1,7 l established in the car
- 3.4. Repair of the diesel engine of 2,0 l established in the car
3.4.1. Introduction
3.4.2. Technical characteristics
3.4.3. Check of pressure of compression
3.4.4. Top dead point (VMT) of the piston of the first cylinder
3.4.5. Check and adjustment of the mechanism of a gazoraspredeleniye
3.4.6. Cover of a head of the block of cylinders
3.4.7. Pulley of a cranked shaft
3.4.8. Chain cover
3.4.9. Natyazhiteli of a chain
3.4.10. Chains and asterisks
3.4.11. Camshafts and pushers
3.4.12. Head of the block of cylinders
3.4.13. Oil pallet
3.4.14. Oil pump
3.4.15. Oil radiator
3.4.16. Replacement of sealing rings of a cranked shaft
3.4.17. Flywheel
3.4.18. Suspension brackets of the power unit
+ 3.5. Major maintenance of engines
+ 4. Heating, ventilation
+ 5. Fuel system
+ 6. Systems of start, ignition
+ 7. Transmission
+ 8. Brake system
+ 9. Running gear
+ 10. Body
+ 11. Electric equipment
+ 12. Main malfunctions
3.4.2. Technical characteristics
| GENERAL INFORMATION |
The engine with four cylinders, cooled by water with one top camshaft put in action by a chain.
| Engine | |
| Engine code: | |
| – turbo of low pressure |
X20DTL
|
| – turbo of a high pressure |
X20DTH
|
| Diameter of the cylinder |
84 mm
|
| Piston stroke |
90 mm
|
| Working volume |
1994 cm3
|
| Operating procedure of cylinders |
1–3–4–2 (the N1 cylinder is from a chain)
|
| Direction of rotation of a cranked shaft |
clockwise, if to take a detached view chains
|
| Extent of compression |
18,5:1
|
| Maximum capacity: | |
| – turbo of low pressure |
60 kW at 4300 rpm
|
| – turbo of a high pressure |
74 kW at 4300 rpm
|
| Maximum torque: | |
| – turbo of low pressure |
185 Nanometers at 1800-2500 rpm
|
| – turbo of a high pressure |
205 Nanometers at 1600-2750 rpm
|
| Pressure of compression |
17-24th bar
|
| The maximum distinction of pressure of compression between any two cylinders |
1,0 bar
|
| Camshaft | |
| Люфт |
0,04-0,14 mm
|
| The most admissible radial palpation |
0,06 mm
|
| Lifting of a cam of the valve |
8,0 mm
|
| Greasing system | |
| Minimum admissible pressure of oil at turns of idling and engine 80 temperature ° With |
1,5 bar
|
| Tightening moments | |
| Sharnirny bolt of a basic plate of a pulley of the mechanism of a tension |
42 Nanometers
|
| Bolts of fastening of a rack of the mechanism of a tension |
23 Nanometers
|
| Bolts of fastening of a cover of bearings of a camshaft |
20 Nanometers
|
| Bolts of fastening of a cover of a head |
8 Nanometers
|
| Bolt of fastening of an asterisk of a camshaft: | |
| – stage 1 |
90 Nanometers
|
| – stage 2 |
to tighten on a corner 60 °
|
| – stage 3 |
to tighten on a corner 30 °
|
| Bolts of fastening of a cover of the bearing of the bottom head of a rod: | |
| – stage 1 |
35 Nanometers
|
| – stage 2 |
to tighten on a corner 45 °
|
| – stage 3 |
to tighten on a corner 15 °
|
| Bolt of fastening of a pulley of a cranked shaft: | |
| – stage 1 |
150 Nanometers
|
| – stage 2 |
to tighten on a corner 45 °
|
| – stage 3 |
to tighten on a corner 15 °
|
| Bolts of fastening of a head of the block of cylinders: | |
| – stage 1 |
25 Nanometers
|
| – stage 2 |
to tighten on a corner 65 °
|
| – stage 3 |
to tighten on a corner 65 °
|
| – stage 4 |
to tighten on a corner 65 °
|
| – stage 5 |
to tighten on a corner 65 °
|
| – stage 6 |
to tighten on a corner 15 °
|
| Bolts of fastening of a transmission to the engine: | |
| – bolts М8 |
20 Nanometers
|
| – bolts М10 |
40 Nanometers
|
| – bolts М12 |
60 Nanometers
|
| Bolts of fastening of a lobby and the right support of the power unit to the engine |
60 Nanometers
|
| Nuts of fastening of a lobby and the right suspension bracket of the power unit to the bottom frame |
45 Nanometers
|
| Bolts of fastening of a back support of the power unit to a bracket |
45 Nanometers
|
| Bolts of fastening of a back support of the power unit to a frame |
20 Nanometers
|
| Bolts of draft of compensation of a torque |
60 Nanometers
|
| Bolts of fastening of a transmission to the engine: | |
| – bolts М8 |
20 Nanometers
|
| – bolts М10 |
40 Nanometers
|
| – bolts М12 |
60 Nanometers
|
| Bolts of fastening of a flywheel: | |
| – stage 1 |
45 Nanometers
|
| – stage 2 |
to tighten on a corner 30 °
|
| – stage 3 |
to tighten on a corner 15 °
|
| Bolt of fastening of an asterisk of the fuel pump |
20 Nanometers
|
| Bolts of fastening of covers of bearings: | |
| – stage 1 |
90 Nanometers
|
| – stage 2 |
to tighten on a corner 60 °
|
| – stage 3 |
to tighten on a corner 15 °
|
| Safety valve of pressure of the oil pump |
60 Nanometers
|
| Cover of the oil pump |
8 Nanometers
|
| Bolts of fastening of a pipe of a maslopriyemnik |
8 Nanometers
|
| Bolts of fastening of a spray of the block of cylinders |
22 Nanometers
|
| Bolts of fastening of the oil pallet to the block of cylinders |
20 Nanometers
|
| Bolts of fastening of the oil pallet to a transmission: | |
| – bolts М8 |
20 Nanometers
|
| – bolts М10 |
40 Nanometers
|
| Masloslivny stopper |
18 Nanometers
|
| Sharnirny bolt of the left natyazhitel of a loop |
20 Nanometers
|
| Head of a natyazhitel of a loop |
60 Nanometers
|