Valve - Spring Strength

Fig 1: Identifying Special Tool

Courtesy of FORD MOTOR CO.

Use a Valve/Clutch Spring Tester to check the valve spring for correct strength at the specified valve spring length.
- For additional information, refer to Specifications in the appropriate ENGINE article .
- If out of specification, install new components as necessary. Refer to the appropriate ENGINE article for the procedure.
Fig 2: Checking Valve Spring Correct Strength
Courtesy of FORD MOTOR CO.