Procedures

11 12 719 Grinding cylinder head sealing surface (N63)





Necessary preliminary work:
^ Remove cylinder head.





Cylinder head disassembled:
Check evenness of cylinder head lower face with a standard straightedge (1).

Note:
Maximum deviation from flatness: longitudinal 0.10 mm.





Note:
Maximum deviation from flatness: 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.