31. Piston and Connecting Rod Assemble

Piston and Connecting Rod Assemble

^ Tools Required
- EN-46745 Piston Pin Retainer Remover and Installer





1. Important: Install the piston onto the connecting rod with the arrow oriented toward the front of the engine.

Assemble the connecting rod and the piston.





2. Notice: Install the piston pin retainers correctly in the retaining groove during assembly in order to avoid engine damage.

Use the following procedure to assemble the piston pin and the retainer:
1 Coat the piston pin with oil.
2 Install one side of one piston pin retainer into the retaining groove using EN-46745. Rotate the retainer until it is fully seated in the groove.
3 Install the connecting rod and the piston pin. Push the piston pin until it bottoms in the previously installed retainer.
4 Install the second piston pin retainer, using EN-46745.
5 Ensure that the piston moves freely.





3. Notice: Use a piston ring expander to install the piston rings. The rings may be damaged if expanded more than necessary.

Install the following components of the oil control ring assembly (bottom ring):
1 The expander
2 The lower oil control ring
3 The upper control ring
4. Install the lower compression ring (second ring). Place the manufacturer's mark facing up.
5. Install the upper compression ring (top ring).