92
DE352
19. Using an appropriate inside micrometer, measure the
inside diameter of the connecting rod bearing insert.
It must be within specifications or the bearings or
connecting rod must be replaced.
DE612
20. Measure the inside diameter of the connecting rod
piston pin bushing. It must be within specifications.
DE366
NOTE: If the piston pin bushing is replaced, the
lubrication hole must be aligned and the bushing
sized. It is recommended that only a qualified
machine shop replace bushings.
21. Examine the connecting rods for nicks, gouges, dis-
coloration, and stress lines.
DE623
22. Examine the piston pin bushing for galling or discol-
oration. If either condition exists, replace the bushing
or connecting rod.
DE623A
23. Measure the piston pins making sure to keep them
with their respective piston/connecting rod. The pis-
ton pins must measure within specifications.
DE351
24. Making sure pistons are clean and ring lands are free
of carbon deposits, measure ring to ring-land clear-
ance using new piston rings. If ring to ringland clear-
ance is excessive, new pistons must be installed.
