CYLINDER HEAD INSPECTION

CYLINDER HEAD INSPECTIONSM1759392

E6U011012201E02

1.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.

B3E0110E008

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.

C3U0110E0032

Maximum distortion, manifold side

0.10 mm {0.004 in}

Maximum cutting length, manifold side

0.15 mm {0.006 in}