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 0.05 mm (0.002 in.) cylinder head resurfacing is not required.
  • If warpage is between 0.05 mm (0.002 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 104 mm (4.09 in.).

Cylinder Head Height: 
Standard (New): 103.95-104.05 mm (4.093-4.096 in.)