Piston - Disassembly and Assembly Of Subassemblies

Piston

Material(s)






Exploded View










Disassembly

NOTE: If the piston and connecting rod are to be reinstalled, they must be assembled in the same orientation. Mark the piston orientation to the connecting rod reassembly.

1. Remove and discard the piston rings.





2. Remove and discard the 2 piston pin retainers.





3. Separate the piston from the connecting rod.

- Clean and inspect the piston and connecting rod. REFER to Connecting Rod Cleaning .






Assembly

1. Align the piston-to-connecting rod orientation marks and position the piston on the connecting rod.





2. NOTE: Lubricate the piston pin and pin bore with clean engine oil.
Install the piston pin in the piston and connecting rod assembly.





3. Install the 2 new piston pin retainers in the piston.





4. NOTE: Lubricate the piston and the new piston rings with clean engine oil.
Install the piston rings on the piston.





5. Align the piston rings on the piston.

1. Upper oil control segment ring gap location

2. Oil control spacer gap location

3. Lower oil control segment ring gap location