Removal
1. Prepare the car for work (see "Preparing the car for maintenance and repair").
2. Remove the decorative engine cover.
3. Disconnect the drive cable from the throttle valve and move it together with the mounting bracket towards the radiator (see "Throttle assembly - removal, gasket replacement and installation").
4. Using a Phillips screwdriver, loosen the clamps securing the three crankcase ventilation hoses. We remove the hoses from the cylinder head cover pipes.
5. Using a 10 mm socket wrench, unscrew the two nuts securing the cylinder head cover.
6. Remove the washer and rubber bushing from each cylinder head stud.
Recommendation. Damaged rubber bushings must be replaced.
7. Remove the cover.
8. Remove the gasket from the cover.
Flushing
1. Unscrew the oil filler cap.
2. Using a 10 mm socket wrench, unscrew the two bolts securing the oil separator housing.
3. Remove the case.
4. Remove the oil separator screens.
5. Wash the removed parts with kerosene, wipe with a rag and blow with compressed air (from a tire pump).
6. Assemble the oil separator in reverse order.
Installation
1. Remove any remaining oil from the mating surface of the cylinder head, to which the cover gasket is pressed.
2. Place the new gasket into the cover.
Warning! The radii on the right and left sides of the cover are different. Make sure the gasket is installed correctly.
3. Apply a thin layer of Loctite-574 or similar sealant to the corners of the gasket.
4. Install the cylinder head cover in the reverse order of removal.