85425ea0 Check of the camshaft and case of the camshaft

1. Examine the surfaces of bearings in the camshaft case. If bearings are worn-out or damaged, the case needs to be replaced.
2. Examine the camshaft. If necessary replace it.
3. Replace a sealing ring of the camshaft.
4. Wash out gasoline the filter located in a camshaft case cover.