Operation CHARM: Car repair manuals for everyone.

Service Limits & General Specifications

CYLINDER HEAD DISTORTION
1 lean surface of cylinder head.





2. Use a reliable straightedge and feeler gauge to check the flatness of cylinder head mating surface.
- Check along six positions as shown.
Head surface flatness
Standard: Less than 0.03 mm (0.0012 inch)
Limit: 0.1 mm (0.004 inch)
- If beyond the specified limit, replace or resurface it.
- Resurfacing limit:
The limit for cylinder head resurfacing is determined by the amount of cylinder block resurfacing.
Amount of cylinder head resurfacing is A.
Amount of cylinder block resurfacing is B.
The maximum limit is: A + B = 0.2 mm (0.008 inch) as follows
After resurfacing cylinder head, check that camshaft rotates freely by hand. If resistance is felt, replace cylinder head.
Nominal cylinder head height: 117.8 - 118.0 mm (4.638 - 4.646 inch)





Cylinder Head