Valve - Guide Inner Diameter

Measure the inner diameter of the valve guides in two directions where indicated.
- Refer to the appropriate ENGINE MECHANICAL article for the procedure.
Fig 1: Measuring Valve - Guide Inner Diameter Using Special Tool
Courtesy of FORD MOTOR CO.
If the valve guide is not within specifications, ream the valve guide and install a valve with an oversize stem or remove the valve guide and install a new valve guide.