Cylinder Head Gasket: Service and Repair

11 12 101 Replacing Cylinder Head Gasket (N16)

Special tools required:







Necessary preliminary tasks:
- Remove cylinder head.







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

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

NOTE: Graphic 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 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.
Check cylinder head for watertightness.
Assemble engine.