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.