Valve Spring Strength: Procedure

WARNING: This page is about a different car, the 2005 Ford RV Cutaway, 2005 Ford Econoline, 2005 Ford E450 Super Duty, and 2005 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

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