Valve - Stem Diameter
WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. 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 ENGINE - 3.9L & 4.2L for the procedure.
- If out of specification, install new components as necessary. Refer to ENGINE - 3.9L & 4.2L for the procedure .