Cylinder Head Inspection for Warpage

1.Remove the cylinder head.

2.Inspect the camshaft.

3.Check the cylinder head for warpage. Measure along the edges, and three ways across the center.

  • If warpage is less than 0.08 mm (0.003 in.) cylinder head resurfacing is not required.
  • If warpage is between 0.08 mm (0.003 in.) and 0.2 mm (0.008 in.), resurface the cylinder head.
  • Maximum resurface limit is 0.2 mm (0.008 in.) based on a height of 120 mm (4.72 in.).

Cylinder Head Height: 
Standard (New): 119.9-120.1 mm
(4.720-4.728 in.)