1. Switch off the engine and remove a hose of ventilation of a case from the PCV valve. |
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2. Start the engine and install a hand finger on the valve. During the operation of the engine vacuum which increases at increase in turns of the engine has to be felt. |
3. After removal of a finger from the valve the valve has to open, at the same time it will make the clicking sound. |
4. If the valve does not work, unscrew it from an inlet collector. |
5. Install the new valve of ventilation of a case and establish on it a hose. |