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HOMESERVICE MANUALSFORD2021EDGE SE, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 244 (ENGINE - 6.2L V8)DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIESPISTONASSEMBLY
2021 Ford Edge SE, 4WD

Disassembly And Assembly Of Subassemblies: Piston: Assembly

2021 Ford Edge SE, 4WDSECTION Assembly
WARNING: This page is about a different car, the 2019 Ford F-350 Super Duty and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
  1. If the piston and/or connecting rod are being installed new, the connecting rod orientation marks and the arrow on the top of the dome of the piston should be facing toward the front of the engine block.
    GFD406074Courtesy of FORD MOTOR COMPANY
  2. NOTE: Align the piston-to-connnecting rod orientation marks made during disassembly.

    Install the piston to the connecting rod.

    GFD406075Courtesy of FORD MOTOR COMPANY
  3. Lubricate with clean engine oil and install the piston pin.
    GFD406076Courtesy of FORD MOTOR COMPANY
  4. Install the piston pin retainers.
    GFD406077Courtesy of FORD MOTOR COMPANY
    1. Lubricate with clean engine oil and install the lower oil control ring.
    2. Lubricate with clean engine oil and install the oil control expander ring with the expander tips up.
    3. Lubricate with clean engine oil and install the upper oil control ring.
    GFD406078Courtesy of FORD MOTOR COMPANY
  6. Lubricate with clean engine oil and install the lower compression ring with the hook feature pointing down toward the bottom of piston.
    GFD406079Courtesy of FORD MOTOR COMPANY
  7. Lubricate with clean engine oil and install the upper compression ring with the "O" mark on the ring pointing up toward the top of the piston.
    GFD406080Courtesy of FORD MOTOR COMPANY
  8. NOTE: The arrow on the top of the piston indicates the front of the engine.

    1. Center line of the piston parallel to the wrist pin bore.
    2. Upper compression ring gap location.
    3. Lower compression ring gap location.
    4. Upper oil control segment ring gap location.
    5. Oil control expander ring gap location.
    6. Lower oil control segment ring gap location.

GFD406081Courtesy of FORD MOTOR COMPANY
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.