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Valve Spring Strength

SPECIAL TOOL(S)

G07806431
Pressure Gauge, Valve/Clutch Spring
303-006 (TOOL-6513-DD) or equivalent
NOTE: Refer to the appropriate Engine article for the specification.
  1. Use the Valve/Clutch Spring Pressure Gauge to check the valve spring for correct strength at the specified valve spring length.
    Fig 1: Checking Valve Spring Correct Strength
    G07806432Courtesy of FORD MOTOR CO.