Opel Omega

since 1993-1999 release

Repair and operation of the car



Opel Omega
+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Repair of engines
   + 3.1. SOHC engines of 2,0 liters
   + 3.2. DOHC engines of 2,0 liters
   + 3.3. 2,5 and 3,0 liters engines
   + 3.4. Partition of all petrol engines
   - 3.5. 2,0 liters diesel engine
      3.5.1. Technical characteristics
      3.5.2. Repair operations on the engine installed in the car
      3.5.3. Check of pressure of compression 3_5_4.htm
      3.5.5. Gas distribution mechanism
      3.5.6. Cover of a head of the block of cylinders
      3.5.7. Pulley of a bent 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 heater
      3.5.16. Sealing rings of a bent shaft
      3.5.17. Flywheel
      3.5.18. Suspension brackets of the power unit
      - 3.5.19. Capital repairs of the 2,0 liters diesel engine
         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. Bent 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 capital repairs
         3.5.19.8. Piston rings
         3.5.19.9. Working gaps of radical bearings
         3.5.19.10. Working gaps of conrod bearings
         3.5.19.11. Start of the engine after capital repairs
   + 3.6. 2,5 liters diesel six-cylinder engine
+ 4. Heating system and ventilation
+ 5. Fuel, exhaust systems
+ 6. System of start of the engine
+ 7. System of ignition
+ 8. Coupling
+ 9. Transmissions
+ 10. Main transfer, half shafts
+ 11. Brake system
+ 12. Suspension bracket and steering
+ 13. Body
+ 14. Body electric equipment
785173a6



3.5.19.8. Piston rings

GENERAL INFORMATION

Arrangement of piston rings on the piston

Arrangement of locks of piston rings of petrol engines

I – top and lower sealing rings

II – a maslootrazhatelny ring

Arrangement of locks of piston rings

I – top sealing ring

II – the second sealing ring

III – an oil scraper ring

Installation


Before installation of new piston rings check a gap in the ring lock.

Arrange pistons and piston rings according to cylinders in which they will work.

PERFORMANCE ORDER
1. Install the top sealing ring in the first cylinder and the bottom of the piston push it in the cylinder to the cylinder basis.

Prevention

The top and average sealing rings are various, an external surface of an average ring conical.


2. Using the probe, measure a gap in the ring lock.
3. Repeat process of measurement with the ring established in the top part of the cylinder, and compare results of measurement to specifications.
4. If a gap too small, it it is necessary to increase, soshlifovyvy ring end faces.
5. If a gap in the ring lock too big, check correctness compliance of rings to your engine.
6. Repeat operation of check for each ring in the first cylinder and then for rings in other cylinders.
7. Install piston rings on pistons in the same way, as well as at removal.
8. After installation of piston rings on the piston check ease of movement of a piston ring in a flute of the piston and put locks of piston rings.