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CYLINDER HEAD INSPECTION

B3E011010100201

1. Perform color contrast penetrate examination on the cylinder head surface.

  • Replace the cylinder head if necessary.

2. Inspect for the following and repair or replace if necessary.

  (1) Sunken valve seats
  (2) Excessive camshaft oil clearance and end play

3. Measure the cylinder head for distortion in six directions as shown in the figure.

  • If it exceeds the maximum specification, replace the cylinder head.

Maximum distortion:

  0.10 mm {0.004 in}

4. Measure the manifold contact surface distortion as shown in the figure.

  • If it exceeds the maximum specification, grind the surface or replace the cylinder head.

Maximum distortion:

  0.10 mm {0.004 in}

Maximum grinding:

  0.15 mm {0.006 in}