Disassembly And Assembly Of Subassemblies: Piston: Disassembly

2025 Mercedes Benz Sprinter 3500XD 2D Cab Chassis Extended, RWDSECTION Disassembly
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the piston rings from the piston.

    Discard the piston rings.

  2. Remove the 2 piston pin retainers and the piston pin.
  3. 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.
  4. Separate the piston from the connecting rod.
  5. Clean and inspect the piston and connecting rod. For additional information, refer to ENGINE SYSTEM - GENERAL INFORMATION
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.