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Home >> Ford >> 2004 >> Excursion 6.8 S, RWD >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine System - General Information - Excursion & F250-F550 Super Duty (Gasoline) >> General Procedures >> Piston - Ring-to-Groove Clearance

Piston - Ring-to-Groove Clearance

  1. Inspect the piston for ring land damage or accelerated wear.
    Fig 1: View Of Piston
    G02770373Courtesy of FORD MOTOR CO.
  2. Measure the piston ring-to-groove clearance.
    • If out of specification, install new components as necessary.
      Fig 2: Measuring Piston Ring-To-Groove Clearance
      G02770374Courtesy of FORD MOTOR CO.