Overhaul

11 12 719 - Grinding cylinder head sealing surface (N63)





Necessary preliminary tasks:
- Remove cylinder head.





Cylinder head disassembled:
Check evenness of cylinder head sealing face with a standard straight-edge (1).

Note:
Maximum plane deviation: longitudinal 0.10 mm.





Note:
Maximum plane deviation: transversal 0.05 mm.

- Machining limit





Note:
A cylinder head gasket (+REP) 0.3 mm thicker than usual can be obtained for machined (resurfaced) cylinder heads.