Valve Guide Inspection

WARNING: This page is about a different car, the 2007 Mazda B3000, 2006 Mazda B3000, 2005 Mazda B3000, 2004 Mazda B3000, and 2003 Mazda B3000. 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. Verify the diameter is within specification. Refer to SPECIFICATIONS .

Fig 1: Measuring Valve Guide Inner Diameter
Courtesy of MAZDA MOTORS CORP.
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.