Valve - Stem Diameter

WARNING: This page is about a different car, the 2004 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.

Measure the diameter of each intake and exhaust valve stem at the points shown. Verify the diameter is within specification.
- Refer to the appropriate ENGINE article for additional information.
- If out of specification, install new components as necessary. Refer to the appropriate ENGINE article.
  
  Fig 1: Measuring Valve Stem Diameter
  Courtesy of FORD MOTOR CO.