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
         3.5.19.1. Technical characteristics
         3.5.19.2. Head of the block of cylinders
         3.5.19.3. Pistons and rods
         3.5.19.4. Cranked shaft
         3.5.19.5. Block of cylinders of the engine
         3.5.19.6. Radical bearings and bearings of rods
         3.5.19.7. Engine balance of assembly at major maintenance
         3.5.19.8. Piston rings
         3.5.19.9. Working gaps of radical bearings
         3.5.19.10. Working gaps of shatunny bearings
         3.5.19.11. Engine start after major maintenance
   + 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


3.5.19.1. Technical characteristics

GENERAL INFORMATION

Head of the block of cylinders
The most admissible neploskosnost of the bottom surface of a head of the block of cylinders
N/A
Height of a head of the block of cylinders
140 mm
Width of a saddle of the valve
1,4-1,8 mm
Valves
Height of the directing plug of the valve in a cylinder head
11,20-11,50 mm
Diameter of a core of the valve:
  – inlet valve:
     • nominal (K)
5,955-5,970 mm
     • the 1st increased size (0,075 mm – K1)
6,030-6,045 mm
     • the 2nd increased size (0,150 mm – K2)
6,105-6,120 mm
  – final valve:
     • nominal (K)
5,945-5,960 mm
     • the 1st increased size (0,075 mm – K1)
6,020-6,035 mm
     • the 2nd increased size (0,150 mm – K2)
6,095-6,110 mm
Exit of a core of the valve
less than 0,03 mm
Diameter of an opening of the directing plug of the valve:
  – nominal (K)
6,000-6,012 mm
  – the 1st increased size (0,075 mm – K1)
6,075-6,090 mm
  – the 2nd increased size (0,150 mm – K2)
6,150-6,165 mm
Gap between a core and directing the valve
N/A
Length of the valve:
  – the new
97,1-97,2 mm
  – the minimum
96,9-97,0 mm
Diameter of a plate of the valve:
  – inlet valve
28,9-29,1 mm
  – final valve
25,9-26,1 mm
Block of cylinders
The most admissible neploskosnost
N/A
Diameters of cylinders:
  – the standard:
     • group of the sizes 8
83,975-83,985 mm
     • group of the sizes 99
83,985-83,995 mm
     • group of the sizes 00
83,995-84,005 mm
     • group of the sizes 01
84,005-84,015 mm
     • group of the sizes 02
84,015-84,025 mm
  – the increased size (0,5 mm)
N/A
Maximum ovality of the cylinder
N/A
Maximum konusnost of the cylinder
N/A
Pistons and rings
Diameter of the piston:
  – the standard:
     • group of the sizes 8
N/A
     • group of the sizes 99
N/A
     • group of the sizes 00
N/A
     • group of the sizes 01
N/A
     • group of the sizes 02
N/A
  – the increased size (0,5 mm)
N/A
Piston gap in the cylinder
N/A
Gaps of the lock of a piston ring (established in an opening):
  – top and bottom sealing rings
0,3-0,5 mm
  – maslosjemny ring
0,4-1,4 mm
Gap of a piston ring in the piston:
  – top and bottom sealing rings
0,02-0,04 mm
  – maslosjemny ring
0,01-0,03 mm
Thickness of a piston ring:
  – top sealing ring:
     • X20DTL engine
2,00 mm
     • X20DTH engine
2,50 mm
  – bottom sealing ring:
     • X20DTL engine
1,75 mm
     • X20DTH engine
2,00 mm
  – maslosjemny ring
3,0 mm
Piston fingers
Diameter
29 mm
Length
68 mm
Rod
Lateral gap of the bottom head of a rod
0,07-0,28 mm
Cranked shaft
Axial люфт
0,05-0,15 mm
Diameters of radical necks:
  – 1st group of the sizes (green)
67,966-67,974 mm
  – 2nd group of the sizes (brown)
67,974-67,982 mm
  – the 1st reduced (0,25 mm)
67,716-67,732 mm
  – the 2nd reduced (0,50 mm)
67,466-67,482 mm
Diameters of shatunny necks:
  – the standard
48,971-48,990 mm
  – the 1st reduced (0,25 mm)
48,721-48,740 mm
  – the 2nd reduced (0,50 mm)
48,471-48,490 mm
Maximum ovality
0,03 mm
Maximum konusnost
N/A
Working gap of the radical bearing
0,016-0,069 mm
Working gap of the bearing of the bottom head of a rod
0,010-0,061 mm