Valve Spring Strength

WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

SPECIAL TOOL(S) CHART

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.
- For additional information, refer to the General Specification chart in the appropriate engine article.
- If out of specification, install new components as necessary. Refer to the appropriate article for the procedure.
  
  Fig 1: Measuring Valve Spring Strength
  Courtesy of FORD MOTOR CO.