According to the manufacturer's recommendation, the crankcase ventilation system must be cleaned every 60 thousand kilometers.
Note. Clean the crankcase ventilation system before every oil change.
You will need: key «for 8», Phillips screwdriver, pliers with narrow jaws.
1. Remove the decorative engine cover (see «Removal and installation of a decorative casing of the engine»).
2. Remove the air filter (see «Removal and installation of the air filter»).
3. Loosen clamp..
4.... and disconnect the hose of the large branch of the crankcase ventilation system from the air supply hose.
5. Loosen clamp..
6.... and disconnect the air supply hose from the throttle assembly.
7. Having loosened the clamp, disconnect the hose of the large branch of the crankcase ventilation system from the cylinder head cover and remove it.
8. Similarly, remove the hose of the small branch of the crankcase ventilation system by disconnecting it from the fittings of the throttle assembly and the cylinder head cover.
9. Loosen clamp..
10.... and remove the supply hose of the ventilation system by disconnecting it from the pipe of the cylinder head cover..
11.... and in the same way from the fitting of the cylinder block.
12. Wash the hoses with gasoline or kerosene, blow with compressed air and dry. Clean the openings of the fittings and branch pipes for connecting hoses.
13. Remove the cylinder head cover (see «Replacing the cylinder head cover gasket»).
14. Turn out six bolts of fastening of a separator from the inside of a cover of a head of the block …
15.... and remove the separator.
16. Squeeze the retainers of the oil separator separator with pliers..
17.... and remove the oil deflector from the oil separator.
18. Gently pry off the rubber sealing ring with a screwdriver...
19....and take it off. Replace a heavily compressed or loose ring with a new one.
Note. Before installing the head cover, clean (from old sealant) and degrease the mating surfaces of the cylinder head and head cover. Apply a thin layer of sealant to the mating surface of the cylinder head.
20. Install hoses and parts in the reverse order of removal.