Piston, Pin, and Connecting Rod Replacement: Disassembly

WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

Remove the piston from the engine block (see CRANKSHAFT AND PISTON REMOVAL ).
Apply new engine oil to the piston pin snap rings (A) and turn them in the ring grooves until the end gaps are lined up with the cutouts in the piston pin bores (B).
NOTE: Take care not to damage the ring grooves.

Fig 1: Applying Engine Oil To Piston Pin Snap Rings
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove snap rings (A) from both sides of the piston. Start at the cutout in the piston pin bore. Remove the snap rings carefully so they do not go flying or get lost. Wear eye protection.

Fig 2: Removing Snap Rings
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Heat the piston and connecting rod assembly to about 158°F (70°C), then remove the piston pin.

Fig 3: Heating Piston And Connecting Rod Assembly
Courtesy of AMERICAN HONDA MOTOR CO., INC.