Valve - Seat Width
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 valve seat width. If necessary, grind the valve seat to specification.
- Measure the intake valve seat width.
- Measure the exhaust valve seat width.
- Recheck the valve spring installed length after the seats have been ground, and shim the valve springs as necessary to achieve the correct installed spring length.
- Refer to ENGINE - 3.9L & 4.2L for the procedure.