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5.7. Check of system of ventilation of a case (PCV)

PERFORMANCE ORDER
1. Launch the engine and warm up it up to the normal working temperature.
2. Leave the engine to work with idling rotation frequency.
3. Disconnect a hose of ventilation of a case from a cover of a head of the block of cylinders.
4. A finger close a hose of ventilation of a case.
5. Make sure that in a hose depression is felt.
6. Remove the valve of ventilation of a case.
7. Blow the valve from outside And, at the same time from outside In there has to be an air.
8. Blow the valve from outside In, at the same time from outside But there should not be an air.
9. If necessary replace the valve.