Opel Omega

since 1993-1999 of release

Repair and car operation



Opel Omega
+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Repair of engines
   + 3.1. SOHC engines in volume 2,0 liters
   + 3.2. DOHC engines in volume 2,0 liters
   + 3.3. Engines in volume 2,5 and 3,0 liters
   + 3.4. Partition of all petrol engines
   - 3.5. Diesel engine in volume 2,0 liters
      3.5.1. Technical characteristics
      3.5.2. Repair operations on the engine established in the car
      3.5.3. Check of pressure of compression 3_5_4.htm
      3.5.5. Gazoraspredeleniye mechanism
      3.5.6. Cover of a head of the block of cylinders
      3.5.7. Pulley of a cranked shaft
      3.5.8. Chain cover
      3.5.9. Natyazhiteli of a chain
      3.5.10. Chains and asterisks
      3.5.11. Camshafts and pushers
      3.5.12. Head of the block of cylinders
      3.5.13. Oil pallet
      3.5.14. Oil pump
      3.5.15. Oil radiator
      3.5.16. Sealing rings of a cranked shaft
      3.5.17. Flywheel
      3.5.18. Suspension brackets of the power unit
      + 3.5.19. Major maintenance of the diesel engine in volume 2,0 liters
   + 3.6. Diesel six-cylinder 2,5-liter engine
+ 4. Heating system and ventilation
+ 5. Fuel, exhaust systems
+ 6. System of start of the engine
+ 7. Ignition system
+ 8. Coupling
+ 9. Transmissions
+ 10. Main transfer, semi-axes
+ 11. Brake system
+ 12. Suspension bracket and steering
+ 13. Body
+ 14. Body electric equipment


3.5.1. Technical characteristics

GENERAL INFORMATION

The engine with four cylinders, cooled by water with one top camshaft put in action by a chain
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
1995 cm3
Operating procedure of cylinders
1–3–4–2 (the N 1 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

Moments of an inhaling, N of m.

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