Helpful advice. Clean the crankcase ventilation system before each oil change.
To clean the crankcase ventilation system on a car, you will need: a 10 mm spanner and a Phillips-head screwdriver.
1. Remove the decorative engine cover (see "Removal and installation the decorative engine cover").

2. Loosen the clamp and disconnect the crankcase ventilation system branch hose from the air supply pipe.

3. Disconnect the other end of the large branch hose of the crankcase ventilation system from the fitting on the cylinder head cover and remove the hose.

4. Similarly, remove the small branch hose of the crankcase ventilation system by disconnecting it from the throttle assembly fittings and the cylinder head cover...

5 - and the supply hose of the crankcase ventilation system, disconnecting it from the fittings of the cylinder block and the cylinder head cover.
6. Wash the hoses with gasoline or kerosene, blow with compressed air and dry. Clean the holes of the fittings and pipes for connecting the hoses.
7. Remove the cylinder head cover (see "Replacing the cylinder head cover gasket").

8. Unscrew the long 1 and short 2 bolts securing the oil separator from the inside of the cylinder head cover and remove the washers.
9. Remove the oil separator housing.

10. Remove the mesh pack from the cylinder head cover.

11. Thoroughly wash the screens, oil separator housing and cylinder head cover with kerosene.

12. Rotate the meshes in the bag so that they are oriented the same way, and place the bag in the lid so that on one side it rests against the protrusions in the lid, and on the other side...

13. ...the hole for the bolt securing the oil separator housing was visible. Install the oil separator housing and tighten the bolts that secure it.
14. Check the condition of the cylinder head cover gasket, replace if necessary. Install the cover onto the cylinder head.
15. Install the system hoses on the vehicle in the reverse order of removal.
