Disassembly And Assembly Of Subassemblies: Piston: Disassembly

2021 Ford Edge SE, 4WDSECTION Disassembly
WARNING: This page is about a different car, the 2018 Ford F-350 Super Duty and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan, can cause engine failure.
  1. Remove and discard the piston rings.
    GFD201728Courtesy of FORD MOTOR COMPANY
    • Remove and discard the piston pin retainers.

    • Remove the piston pin.

    GFD201729Courtesy of FORD MOTOR COMPANY
  2. 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 for reassembly.

    Remove the piston from the connecting rod.

    GFD201730Courtesy of FORD MOTOR COMPANY
  3. Inspect the piston and the connecting rod. Refer to: Piston Inspection .
GFD201731Courtesy 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:

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