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Home >> Lincoln >> 2004 >> Aviator AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine System-General Information >> General Procedures >> Piston Ring-To-Groove Clearance
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Piston Ring-To-Groove Clearance

  1. Inspect the piston for ring land damage or accelerated wear.
    Fig 1: Inspecting Piston For Ring Land
    G03264269Courtesy of FORD MOTOR CO.
  2. Measure the piston ring-to-groove clearance.
    • Refer to ENGINE for the procedure.
    • If out of specification, install new components as necessary. Refer to ENGINE for the procedure.
    Fig 2: Measuring Piston Ring-To-Groove Clearance
    G03264270Courtesy of FORD MOTOR CO.
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