Valve - Spring Free Length

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.

Measure the free length of each valve spring.
- 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 1: Measuring Free Length Of Each Valve Spring
  Courtesy of FORD MOTOR CO.