Cylinder Head Gasket: Service and Repair

11 12 101 - Replacing cylinder head gasket (N12)





Special tools required:
- 11 4 470





Necessary preliminary tasks:
- Remove cylinder head Removal and Replacement.





Remove remnants of oil and dirt from pocket holes (1).

Important!
Work on sealing face on engine block and on cylinder head with special tool 11 4 470 only.
Do not use any metal-cutting tools.

Note:
Illustration shows N52.





Note identification marking on head gasket.

Important!
Rubber coating on cylinder head gasket must not be damaged under any circumstances.
If the cylinder head is remachined, a thicker coating + 0.3 mm is also available for service personnel.

Gasket (1) is a sheet-metal gasket





Check adapter sleeves (1) for damage and firm seating.
Lay cylinder head gasket on engine block.





Note:
Check cylinder head for deviation from flatness [1][2]Procedures.
Check cylinder head for water leaks Testing and Inspection.

Assemble engine.