Tools Required

EN-46745  Piston Pin Retainer Remover and Installer

Fig 1: View Of Piston Pin Retaining Clips
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1. Lubricate the piston pin with clean engine oil.
Fig 2: Identifying Connecting Rod Oil Hole
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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  .
Fig 3: View Of Piston Pin & Connecting Rod
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3. Install the connecting rod and piston pin. Push the piston pin in until it bottoms against the installed piston pin retainer.
Fig 4: View Of Piston Pin Retaining Clips
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4. Install the second piston pin retainer.
Fig 5: Piston Ring Expander
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NOTE: 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
Fig 6: Identifying Middle Ring
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6. Install the middle ring (compression ring) with the napier groove facing down.
7. Install the top ring.