Piston Ring-to-Groove Clearance

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to the appropriate Engine for the specification.

Inspect the piston for ring land damage or accelerated wear.

Fig 1: Identifying Piston
Courtesy of FORD MOTOR CO.
Measure the piston ring-to-groove clearance.

Fig 2: Measuring Piston Ring-To-Groove Clearance
Courtesy of FORD MOTOR CO.