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Home >> Ford >> 2011 >> Explorer Base, AWD, 6F55 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine System - General Information >> General Procedures >> Valve Seat Inspection >> General Procedure

General Procedure

NOTE: Refer to general specifications in the appropriate 303-01 engine section for the appropriate specification.
NOTE: After grinding valves or valve seats, always check valve clearance.
  1. Check the valve head and seat.
    • Check valve angles.
    • Check margin width.
    • Be sure margin width is within specification.
    Fig 1: Locating Valve Angles And Margin Width
    G07420910Courtesy of FORD MOTOR CO.
  2. Inspect for abnormalities on the valve face and seat. Install a new cylinder head assembly if abnormalities are found.
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