2. Lubricate the O-ring surface with a thin layer of engine oil.
3. Using a special nozzle and a torque wrench, tighten the filter to a torque of 22±2 Nm.
4. If there is no nozzle, tighten the filter as follows:
- A) screw the filter until the sealing ring touches the adapter;
- b) shade the filter 3/4 turn.