Subaru Legacy

Since 1990-1998 of release

Repair and car operation



Subaru Legasi
+ 1.1. Identification numbers
+ 2. Maintenance service
+ 3. Engines
+ 4. Heating, ventilation
+ 5. Fuel system
- 6. An exhaust system
   6.1. Service of final system
   - 6.2. Reduction of toxicity of exhaust gases and management of engine work
      6.2.1. Technical characteristics
      6.2.2. Self-diagnostics system (OBD) and codes
      6.2.3. The electronic control block (ECM)
      6.2.4. The gauge of temperature of a cooling liquid
      6.2.5. The gauge of position throttle заслонки
      6.2.6. Gauges of a cranked shaft, a camshaft, speed of the car
      6.2.7. The oxygen gauge
      6.2.8. The gauge of a stream of air
      6.2.9. The detonation gauge
      6.2.10. The pressure gauge in an inlet collector
      6.2.11. Replacement of the gauge of temperature of a cooling liquid
      6.2.12. Replacement of the gauge of a stream of air
      6.2.13. Replacement of the gauge of oxygen
      6.2.14. Replacement of the gauge of position throttle заслонки
      6.2.15. Replacement of the gauge of an angle of rotation of a cranked shaft
      6.2.16. Replacement of the gauge of position of a camshaft
      6.2.17. Replacement of the gauge of a detonation
      6.2.18. Replacement of the gauge of speed of the car
      6.2.19. Replacement of the gauge of pressure
      6.2.20. System of repeated burning of the fulfilled gases (EGR)
      6.2.21. System of catching of steams of fuel (EVAP)
      6.2.22. System of compulsory ventilation картера (PCV)
      6.2.23. The catalyst
+ 7. Systems of start, ignition
+ 8. Transmissions
+ 9. Coupling, shaft
+ 10. Brake system
+ 11. A suspension bracket
+ 12. A steering
+ 13. A body
+ 14. An electric equipment


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6.2.22. System of compulsory ventilation картера (PCV)
THE GENERAL DATA

The diagramme of system of compulsory ventilation картера


The diagramme of system of compulsory ventilation картера the engine with турбонагнетателем

The system of compulsory ventilation картера (PCV) serves for reduction of emission of hydrocarbons by tap of steams from картера the engine. It is carried out by giving of atmospheric air from the air filter in картер the engine where it mixes up with gases available there and then comes back through the system valve in an inlet collector.

The basic details of system PCV is a valve of system PCV, hoses for atmospheric air and the vacuum hoses connecting details of system with the engine.

For maintenance of normal work of the engine idling system PCV valve blocks a stream in the presence of high depression in an inlet collector. At infringements in work (for example, at defects of piston rings) the system serves for tap more a significant amount of the broken gases through an aperture for ventilation картера in the air filter, than it happens at a compression normal amount.