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Special Tool(s)

SPECIAL TOOL SPECIFICATION

G03897663
 Pressure Gauge, Valve/Clutch Spring 303-006 (TOOL-6513-DD) or equivalent
  1. Use a Valve/Clutch Spring Pressure Gauge to check the valve spring for correct strength at the specified valve spring length.
    • Refer to the appropriate engine article for the procedure.
    • If out of specification, install new components as necessary. Refer to the appropriate engine article for the procedure.
      Fig 1: Measuring Valve Spring Strength
      G03919823Courtesy of FORD MOTOR CO.
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