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Valve Spring Strength

SPECIAL TOOL(S)

G04626871

Courtesy of FORD MOTOR CO.

Pressure Gauge, Valve/Clutch Spring
303-006 (TOOL-6513-DD) or equivalent

Use a Valve/Clutch Spring Pressure Gauge to check the valve spring for correct strength at the specified valve spring length.
- Refer to ENGINE for the procedure.
- If out of specification, install new components as necessary. Refer to ENGINE for the procedure.
  
  Fig 1: Measuring Valve Spring Strength
  Courtesy of FORD MOTOR CO.