CYLINDER HEAD
90-857138R1 MAY 2000 Page 4A-13
Cleaning and Inspection
Cylinder Head
1. Inspect the cylinder head for mineral deposit blockage/corrosion in the water passage
ways, clean any deposits/corrosion observed.
2. Inspect the cylinder head for carbon deposits In combustion chamber (use round scrap-
er to clean away deposits). Be careful not to scratch or remove material.
EX
IN
57255
b
a
a
a-Water Passages
b-Combustion Chamber
3. Using a straight edge and a thickness gauge inspect cylinder head for warpage. Re-
place cylinder head If out of specification.
Cylinder Head Warpage Limit
0.0012 in. (0.03 mm)