ENGINE - ENGINE MECHANICAL
INSPECT CYLINDER HEAD
Inspect for flatness
Using a precision straight edge and thickness gauge,
measure the surfaces contacting the cylinder block
and the manifolds for warpage.
0.20 mm (O.0079 in.)
Cylinder Block Side
If warpage is greater than maximum. replace the cylin-
Intake Manifold Side
Exhaust Manifold Side
Inspect for cracks
Using a dye penetrant. check the intake ports. exhaust
ports and surface contacting the cylinder block.
If cracked. replace the cylinder head.
Inspect cylinder head bolts
Using vernier calipers. measure the
diameter of the compressed thread at the measuring
Standard outer diameter:
10.800 - 11.000 mm (0.4252 - 0.4331
Minimum outer diameter:
If the outer diameter is less than minimum. replace the
Using a gasket scraper. chip off any carbon from the
Using a wire brush. thoroughly clean the valve.