1. The valve of system of ventilation of a case is located in a cover of the valvate mechanism.

38.2a Disconnect a hose from the valve of system of ventilation of a case...

38.2b... then unscrew the valve

2. Disconnect a hose, unscrew the valve from a cover and connect a hose (38.2a and 38.2b).

3. When the engine works in the idling mode, close - a finger a valve opening. If there is no depression, check whether the valve or a hose is littered.

4. Kill the engine. Disconnect the valve and blow it from outside with a carving. If air does not pass through the valve, replace it.