E30 BMW
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engine
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
- 7. Exhaust system
+ 7.1.2. Exhaust system of cars 318i
- 7.2. System of decrease in toxicity of exhaust gases
7.2.2. Self-diagnostics of system of injection of Motronic
7.2.3. Processor block (ECU block)
7.2.4. Sensors of system of automatic control of the engine
7.2.5. System of compulsory ventilation of a case (PCV system)
7.2.6. Catching system паров gasoline (EVAP system)
7.2.7. Catalytic converter
+ 8. Transmissions
+ 9. Coupling
+ 10. Brake system
+ 11. Running gear
+ 12. Body
+ 13. Electric equipment
+ 14. Good advice
7.2.5. System of compulsory ventilation of a case (PCV system)
| GENERAL INFORMATION |
The system of compulsory ventilation of a case is intended for decrease in the content of hydrocarbons in engine emissions because of a suction of gases from an engine case. Vnutrikarternye gases go for reburning in engine cylinders.
Device of system of compulsory ventilation of a case (М20)
| System of the closed type. Vnutrikarternye gases go directly to the air filter under the influence of pressure in the engine. Gases with fresh air do not mix up. In a branch pipe for an exit of gases the plamegasitel is established. |
Hose of ventilation of a case
| Gases leave a cover of a head of cylinders through a hose. |
| The filter in system of ventilation of a case is not provided, therefore periodically clean channels of an exit of gases from dirt and a deposit. |