Valve - Seat Runout

WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

Use the Valve Seat Runout Gauge to check valve seat runout.

Fig 1: Checking Valve Seat Runout Using Valve Seat Runout Gauge
Courtesy of FORD MOTOR CO.