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Valve Spring Strength

Special Tools

Illustration Tool Name Tool Number
GF0000211
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.
    • For additional information, refer to Specifications in the appropriate section in Group 303.
    • If out of specification, install new components as necessary. Refer to the appropriate procedures.
  2. Fig 1: Measuring Valve Spring Strength
    GF0000212Courtesy of FORD MOTOR CO.