FixVault

Valve - Guide Inner Diameter

  1. Measure the inner diameter of the valve guides in 2 directions where indicated. For 2.0L Zetec engine procedure see appropriate section in ENGINE - 2.0L ZETEC . For 3.0L (4V) engine procedure see appropriate section in ENGINE - 3.0L (4V) .
    Fig 1: Measuring Inner Diameter Of Valve Guides
    G03429576Courtesy of FORD MOTOR CO.
  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.