Operation CHARM: Car repair manuals for everyone.

Piston Pin: Testing and Inspection






PISTON PIN HOLE DIAMETER
Measure each piston pin hole diameter at the four points shown.

Replace piston that is not within specifications.





PISTON PIN DIAMETER
Use a micrometer to inspect the piston pin diameter in the X and Y directions at points A, B. C and D as shown.

Replace piston pin that is not within specifications.