Cylinder head inspection

80. Inspect cylinder head for signs of damage.
81. Clean joint surfaces on cylinder head and block. Clean oil and coolant passages. De-carbonise piston crowns and cylinder head if necessary. Clean cylinder head bolt threads, check for damage, replace if necessary. Check that overall length of each cylinder head bolt does not exceed 243.41 mm, replace all bolts if length of any bolt exceeds this dimension. Check camshaft cover gasket for damage, replace if necessary.

Cylinder head inspection

1. Check cylinder head for warping across centre and from corner to corner. Maximum warp = 0.10 mm

CAUTION: Cylinder heads may not be refaced, replace head assembly if warping exceeds figure given.