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3. Cleaning of combustion chamber
Using a wire brush, remove all carbon deposits from the
combustion chambers.
CAUTION:
•
Be careful not to scratch the cylinder head gasket con-
tact surfaces.
4. Cleaning of valve guide bushings
Using a valve guide brush and solvent, clean all the valve
guide bushings.
5. Cleaning of cylinder head
Using a soft brush and solvent, thoroughly clean the cylin-
der head.
6. Inspection of cylinder head for flatness
Using a precision straight edge and a feeler gauge, check
the gasket surfaces contacting the cylinder block and
manifolds for warpage.
Maximum Surface Warpage
Cylinder Block Side:
Intake Manifold Side:
Exhaust Manifold Side:
If surface warpage of the cylinder block side exceeds the
maximum limit, replace the cylinder head.
0.10 mm
0.10 mm
0.10 mm
EM–33
JEM00125-00111
JEM00126-00112
JEM00127-00113
JEM00128-00114
JEM00129-00115
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