Piston, Pin, and Connecting Rod Replacement: Inspection

WARNING: This page is about a different car, the 2013 Honda Fit, 2012 Honda Fit, 2011 Honda Fit, 2010 Honda Fit, and 2009 Honda Fit. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Inspect the piston, the piston pin, and the connecting rod when they are at room temperature.

Measure the diameter of the piston pin.
Piston Pin Diameter

Standard (New): 17.996-18.000 mm (0.7085-0.7087 in.)

Fig 1: Measuring Diameter Of Piston Pin
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Zero the dial indicator to the piston pin diameter.

Fig 2: Identifying Dial Indicator
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check the difference between the piston pin diameter and the piston pin hole diameter in the piston.
Piston Pin-to-Piston Clearance

Standard (New): 0.010-0.017 mm (0.0004-0.0007 in.)

Fig 3: Measuring Piston Pin-To-Piston Clearance
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check the difference between the piston pin diameter and connecting rod small end diameter.
Piston Pin-to-Connecting Rod Interference

Standard (New): 0.019-0.036 mm (0.0007-0.0014 in.)

Fig 4: Checking Piston Pin-To-Connecting Rod Interference
Courtesy of AMERICAN HONDA MOTOR CO., INC.