Caution: Refer to Safety Glasses Caution in the Preface section.
- Clean the sealing surfaces.
- Inspect the cylinder head gasket and the 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 damage.
Specification
The cylinder head sealing surfaces must be flat within 0.15 mm (0.0059 in) maximum.
- Measure the height of the cylinder head from sealing surface to sealing surface. The cylinder head height should be 95.9-96.1 mm (3.775-3.783 in) (a).
If the cylinder head height is less than 95.9 mm (3.775 in), replace the cylinder head.
- Inspect all threaded holes for damage.
- Inspect the valve seats for excessive wear and burned spots.