2002 Ford Focus SVTFACTORY OEM SERVICE PROCEDURE

Disassembly And Assembly Of Subassemblies: Piston: Assembly

WARNING: This page is about a different car, the 2003 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place (1) sleeve in (2) and position (3) pin locator into the center hole of sleeve.
    Fig 1: Positioning Pin Locator Into Center Hole Of Sleeve
    G01615384Courtesy of FORD MOTOR CO.
  2. Position the piston to be assembled onto the locator.
    Fig 2: Positioning Piston Onto Locator
    G01615385Courtesy of FORD MOTOR CO.
  3. Press the pin into the piston and the connecting rod with driver.
    Fig 3: Pressing Pin Into Piston And Connecting Rod
    G01615386Courtesy of FORD MOTOR CO.
  4. Install the piston rings using a suitable expander. The compression ring is to be installed with the grooved side facing down.
    Fig 4: Installing Piston Rings
    G01615387Courtesy of FORD MOTOR CO.
  5. NOTE: The connecting rod bearings are selective fit to provide the necessary clearance. refer to ENGINE SYSTEM-GENERAL INFORMATION to measure the clearance and select the proper connecting rod bearing.
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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.