Valve mechanism 1. Valve: cannot be processed, only lapping is allowed; mark the mounting position for reinstallation; 2. Cylinder head; 3. Valve stem seal; 4. Valve spring; 5. Valve spring plate; 6. Valve cracker; 7. Lid: replace; removal: with the camshaft frame installed, use an awl to pry the cover from one side and remove; installation: press in without sealant using a suitable mandrel; pressing depth 1...2 mm; 8. Shaft gasket: replace; 9. Exhaust camshaft; 10. Bolt: take into account the sequence when unscrewing; 11. Camshaft frame: with integrated camshaft bearings; 12. Intake camshaft; 13. Roller lever: Mark the mounting position for reinstallation; check the roller bearings for ease of rotation; lubricate working surfaces before installation; 14. Hydraulic compensator retaining bracket; 15. Hydraulic compensator: mark the mounting position for reinstallation; lubricate working surfaces before installation
Support frame - bolt tightening sequence and torque
Tighten the bolts in 2 stages in the sequence shown
| Stage | Bolts | Tightening torque |
| 1 | "1...24" | Screw in by hand until it stops. The support frame should fit against the cylinder head over the entire contact surface |
| 2 | "1...24" | 10Nm |