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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine System-General Information >> General Procedures >> Valve Seat Inspection >> Valve and Seat Refacing Measurements

Valve and Seat Refacing Measurements

CAUTION: After grinding valves or valve seats, check valve clearance.
  1. Check the valve head and seat.
    • Check valve angles.
    • Check margin width.
    • Refer to SPECIFICATIONS for the procedure.
    • Be sure margin width is within specification.
      Fig 1: Identifying Valve Margin Width
      G04003866Courtesy 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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