Valve Spring Strength

WARNING: This page is about a different car, the 2004 Mercury Marauder, 2004 Mercury Grand Marquis, and 2004 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Special Tools

Courtesy of FORD MOTOR CO.

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