Valve Spring Strength

WARNING: This page is about a different car, the 2003 Mercury Marauder, 2003 Mercury Grand Marquis, and 2003 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

Special Tool(s)

Fig 1: Identifying Special Tool(s)

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 ENGINE 4.6L 2V or ENGINE 4.6L 4V .
- If out of specification, install new components as necessary. Refer to ENGINE 4.6L 2V or ENGINE 4.6L 4V .
  
  Fig 2: Checking Valve Spring For Correct Strength Using Valve/Clutch Spring Pressure Gauge
  Courtesy of FORD MOTOR CO.