Cylinder head 1. Cylinder head seal: replace; after replacement, replace the coolant and oil; 2. Bolt: insert with thread varnish; 10 Nm; 3. Hall sensor "G40": for camshaft position; 4. Cylinder head: Place the removed cylinder head on a foam pad, otherwise the glow plugs may be damaged; cannot be processed; before installation, check the presence of 2 centering bushings of the oil pump and cylinder block; after replacement, replace the coolant and oil; 5. Washer; 6. Bolt: replace; take into account the sequence when unscrewing; 7. Oil pressure sensor "F1": switching pressure 0.3...0.6 bar; check; 20 Nm; 8. Sealing cuff: replace; 9/19. Bolt: 20 Nm; 10. Engine suspension eye; 11. Sealing cuff: replace; 12. Threaded plug: 20 Nm; 13. Gasket: replace; 14. Vacuum pump; 15. Bolt; 16. Connecting pipe of cooling system hoses: with coolant temperature sensor "G62"; the image does not correspond to the version in the car; 17. Bolt; 18. Gasket: replace; 20. Engine suspension eye
Cylinder head - bolt tightening sequence and torque
Replace bolts that were tightened with additional turning.
Tighten the bolts in 4 stages in the sequence shown.
| Stage | Bolts | Tightening torque/angle of rotation |
| 1 | "1...10" | 30 Nm |
| 2 | "1...10" | 50 Nm |
| 3 | "1...10" | turn 90° |
| 4 | "1...10" | turn 90° |
Cylinder head gasket marking 1. Part number; 2. Holes; 3. Do not take into account
Note: The thickness of the cylinder head gasket to be installed depends on the piston protrusion. If only the cylinder head gasket is replaced, a new gasket with the same designation as the old one should be used.