Cylinder Head Assembly: Testing and Inspection
CYLINDER HEAD INSPECTION1. Inspect the cylinder head surface for cracks and other damage using a red dye penetrant.
^ If there is a malfunction, replace the cylinder head.
2. Measure the combustion chamber side of the cylinder head for distortion in six directions as shown in the figure using a straight edge and feeler gauge.
^ If the distortion exceeds the maximum specification, replace the cylinder head.
Maximum distortion, head gasket side 0.10 mm (0.004 in)
3. Inspect the contact surface of the exhaust manifold and the intake manifold for distortion by measuring as shown in the figure using a straight edge and feeler gauge.
^ If the distortion exceeds the maximum specification, grind the surface or replace the cylinder head.
Maximum distortion, manifold side 0.10 mm (0.004 in)
Maximum cutting length, manifold side 0.15 mm (0.006 in)