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Home >> Ford >> 2002 >> Crown Victoria Base, 4.6 9 >> Repair and Diagnosis (Single Page) >> General Information >> Engine >> Engine System - General Information >> General Procedures >> Valve Seat Inspection >> Valve & Seat Refacing Measurements

Valve & 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.
    • Be sure margin width is within specification.
    Fig 1: Inspecting Valve Seat
    G01941831Courtesy of FORD MOTOR CO.
  2. Inspect for abnormalities on the valve face and seat.
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