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Valve Guide Inner Diameter
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
- Measure the inner diameter of the valve guides in two directions where indicated.
Courtesy of FORD MOTOR CO.
- If the valve guide is not within specifications, install a new cylinder head assembly.