Problems of Piston Pin and Their Remedies

Problems of Piston Pin and Their Remedies Points : problems of piston pin and their remedies, importance and problems related to piston pin, problems in internal combustion engines, ic, engine Defects of piston pins (gudgeon pin) are wear or breakage. Theses give rise to small end knock, or much more serious damage if the rod detaches itself. Due to wear of the piston pin clearance occurs on both floating and pressed in pins.


In free floating, when the pin is worn, it should be replaced. If the pin bore in the piston measure larger than specified replace the piston. The pin bore may also be reamed larger. Oversize piston pins can than be used.

In case of pressed in pin service measure pin and pin bore wear compare to specify and replace or repair parts as needed. Many shops send new pistons and pins to a machine shop for fitting.