Disassembly And Assembly Of Subassemblies: Piston: Assembly
WARNING: This page is about a different car, the 2011 Mercury Milan and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- Align the piston-to-connecting rod orientation marks and position the connecting rod in the piston.
- Lubricate the piston pin and pin bore with clean engine oil.
- Install the piston pin in the piston and connecting rod assembly.
- Install the piston pin retaining clips in the piston.
- Lubricate the piston and the new piston rings with clean engine oil.
- Install the piston rings onto the piston as shown in the illustration.
- Center line of the piston parallel to the wrist pin bore
- Upper compression ring gap location
- Upper oil control segment ring gap location
- Lower oil control segment ring gap location
- Expander ring and lower compression ring gap location
NOTE:
The piston compression lower ring should be installed with the "O" mark on the ring face pointing up toward the top of the piston.
NOTE:
When installing the piston oil control spacer, orient the gap such that the cut ends are pointed toward the top of the piston.