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Disassembly And Assembly Of Subassemblies: Piston: Assembly

WARNING: This page is about a different car, the 2010 Lincoln MKZ and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  1. Align the piston-to-connecting rod orientation marks and position the connecting rod in the piston.
  2. Lubricate the piston pin and pin bore with clean engine oil.
  3. Install the piston pin in the piston and connecting rod assembly.
  4. Install the new piston pin retaining clips in the piston.
    • The piston pin retaining clip gap orientation must be toward the top or dome of piston.
  5. Lubricate the piston and the new piston rings with clean engine oil.
  6. Install the piston rings onto the piston as shown in illustration.
    1. Center line of the piston parallel to the wrist pin bore
    2. Upper compression ring gap location
    3. Upper oil control segment ring gap location
    4. Lower oil control segment ring gap location
    5. Expander ring and lower compression ring gap location
    NOTE: The piston compression upper and lower ring should be installed with the "O" mark on the ring face pointing up toward the top of the piston.
    Fig 1: Identifying Piston Rings Installation Position Onto Piston
    G06062545Courtesy of FORD MOTOR CO.
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