Piston and Connecting Rod Assemble

Piston and Connecting Rod Assemble

Tools Required

EN-46745 Piston Pin Retainer Remover and Installer




1. Lubricate the piston pin with clean engine oil.





Important: The oil hole, in the connecting rod, should be facing the exhaust side of the block.

2. Install one of the piston pin retainers into the retainer groove using EN-46745




3. Install the connecting rod and piston pin. Push the piston pin in until it bottoms against the installed piston pin retainer.




4. Install the second piston pin retainer.





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

Important: The piston ring end gaps must be staggered 90 degrees apart.

5. Install the following components of the bottom ring assembly (oil control ring).
1. The expander
2. The lower oil control ring
3. The upper oil control ring




6. Install the middle ring (compression ring) with the napier groove facing down.
7. Install the top ring.