Valve - Spring Free Length

WARNING: This page is about a different car, the 2003 Lincoln Navigator and 2003 Ford Expedition. 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 SYSTEM & COMPONENT TESTING - GASOLINE for the procedure.
- If out of specification, install new components as necessary. Refer to REMOVAL & INSTALLATION - BLACKWOOD, EXPEDITION, F150 PICKUP & NAVIGATOR - GASOLINE for the procedure.
  
  Fig 1: Measuring Valve Spring Free Length
  Courtesy of FORD MOTOR CO.