P. I 1. Cylinder head seal: replace; installation position: part number faces the cylinder head; after replacement, replace coolant and oil; 2. Bolt; 3. Bolt: 70 Nm; 4. High pressure pump timing belt drive gear; 5. Rear toothed belt protection; 6. Camshaft lip seal: replace; 7. Seal rings: replace; 8. Hollow bolt; 9. Fuel rail: comply with cleanliness standards; do not change the bend of high pressure pipelines; 10. Bolt: 23 Nm; 11. Cooling system line; 12. Bolt: take into account the sequence when unscrewing; replace; 13. Eye for engine mounting; 14. Bolt M8: 23 Nm; 15. Bolt MB: 9 Nm; 16. Cylinder head: the removed cylinder head with installed glow plugs must not be placed on the contact surface, since the glow plug rods slightly protrude beyond the contact surface; modification of the cylinder head of TDI engines is prohibited; after replacement, change coolant and oil
Cylinder head gasket marking
- 1. Holes
- 2. Part number
Note: The left and right cylinder head gaskets cannot be mixed up; they have different shapes.
Cylinder head - bolt sequence and torque
Replace cylinder head bolts. Tighten the bolts in sequence -1...8- in 5 stages as follows.
- 1. Tighten the bolts by hand until they stop.
- 2. Tighten to 35 Nm.
- 3. Tighten to 60 Nm.
- 4. Turn 90°.
- 5. Turn 90°.
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