Valve Spring Strength

SPECIAL TOOL DESCRIPTION

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 the ENGINE article for additional information .
- If out of specification, install new components as necessary. Refer to the ENGINE article .

Fig 1: Measuring Valve Spring Strength

Courtesy of FORD MOTOR CO.