2585306 - 1016E38 single cylinder head or (one) l or r, removed - grinding

Check that the flatness of the lower cylinder head plane corresponds to the recommended values.
MeasurementValue
-Lower plane planarity (mm)0.1
If lower surface flatness of the lower cylinder head is not within specified values, grind from the nominal head height and then fit a new gasket with the number of notches determined as described below.The head may be levelled to 0.1 m if starting from a gasket with 0 notches and using a new gasket with 1 notch.The head may be levelled to 0.2 m if starting from a gasket with 0 notches and using a new gasket with 2 notches.The head may be levelled to 0.1 m if starting from a gasket with 1 notch and using a new gasket with 2 notches.
When within limit conditions (head gasket with 2 notches before levelling), the lower head surface cannot be levelled.
MeasurementValue
-Nominal height (mm)105.5 ± 0.05