Explorer 2WD V8-4.6L VIN 8 (2006)
Valve Guide: Service and Repair
Valve - Guide Inner Diameter
1. Measure the inner diameter of the valve guides in 2 directions where indicated.
2. 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.
Valve - Guide Reaming
1. Use a hand-reaming kit to ream the valve guide.
2. Reface the valve seat.
3. Clean the sharp edges left by reaming.
