Passport EX 2WD V6-3.2L SOHC (6VD1) (1997)
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Piston: Testing and Inspection
PISTON DIAMETER
NOTE:
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Carefully clean away all the carbon adhering to the piston head and the piston ring grooves.
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Never use a wire brush to clean the pistons. Damage will result.
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Visually check each piston for cracking, scoring, and other signs of excessive wear.
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If any of the above conditions are present, the piston must be replaced.
1. Measure the piston outside diameter with micrometer at the piston grading position and a right angle to the piston pin.
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Piston grading position (from piston head): 31.0 mm (1.22 inch).
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The size mark for piston outside diameter is represented by the "G" as shown in the illustration. Measure the cylinder bore inside diameter.
