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Valve Spring Strength

SPECIAL TOOL(S)

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