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.