Valve Spring Installed Length

WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

Measure the installed length of each valve spring.
- If out of specification, install new components. Refer to ENGINE for the procedure.
  
  Fig 1: Measuring Installed Length Of Valve Spring
  Courtesy of FORD MOTOR CO.