Procedures

11 12 719 Resurfacing cylinder head lower face (N18)







Necessary preliminary work:
- Remove cylinder head.
- Remove exhaust camshaft.
- Remove intake camshaft.







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

NOTE:
Max. deviation from flatness (longitudinal) 0.10 mm
Illustration shows N43.







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

NOTE:
Max. deviation from flatness (transverse) 0.05 mm
Graphic shows N43.







Check cylinder head for watertightness.