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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 463 (Engine - 4.0L SOHC) >> Disassembly And Assembly Of Subassemblies >> Piston >> Assembly

Disassembly And Assembly Of Subassemblies: Piston: Assembly

WARNING: This page is about a different car, the 2004 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Apply a light coat of clean engine oil to all parts. Install the piston in the connecting rod with the cylinder number side of the rod and the indentation notch in the piston on the same side.
  1. Install the large chamfered side of the connecting rod bearing bore facing toward the engine front on the RH bank connecting rod and facing toward the rear of the engine on LH bank connecting rod.
    2. NOTE: The oil hole in connecting rod must face the RH side of the cylinder block and the arrow on the piston must face the front of the engine block.
    Fig 1: Positioning Piston Pin In Bore Aligned With Connecting Rod Bore
    G03274826Courtesy of FORD MOTOR CO.
  2. Position the piston pin in the bore aligned with the connecting rod bore.
    3. NOTE: If the piston pin is removed from the piston, a new piston and pin assembly must be used. Do not reuse the piston or piston pin.
  3. Gradually heat the pin bore side of the connecting rod to approximately 232°C-316°C (467°F-626°F) and immediately install the piston pin.
  4. Using the special tool, press the piston pin into the piston and connecting rod assembly.
    Fig 2: Pressing Piston Pin Into Piston And Connecting Rod Assembly
    G03274827Courtesy of FORD MOTOR CO.
  5. Install the piston rings. For additional information, refer to ENGINE SYSTEM-GENERAL INFORMATION .
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