For 1990-2009 cars only
- Clean the sealing surfaces.
- Inspect the cylinder head gasket and mating surfaces for leaks, corrosion, and blowby.
- Inspect the cylinder head for cracks.
- Inspect the length and the width of the cylinder head using a feeler gage and a straight edge.
- Check the sealing surfaces for deformation and warpage. The cylinder head sealing surfaces must be flat within 0.050 mm (0.002 inch) maximum.
- Measure the height of the cylinder head from sealing surface to sealing surface. The cylinder head height should be 134.08 to 134.23 mm. If the cylinder head height is less than 134.08 mm, replace the cylinder head.
- Inspect all threaded holes for damage.
- Inspect valve seats for excessive wear and burned spots.
Caution: Refer to Safety Glasses Caution in the Preface section.
