Piston Ring-to-Groove Clearance

WARNING: This page is about a different car, the 2009 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools

Illustration	Tool Name	Tool Number
Courtesy of FORD MOTOR CO.	Feeler Gauge Set	303-D027 (D81L-4201-A) or equivalent

NOTE: Refer to the SPECIFICATIONS .

Inspect the piston for ring land damage or accelerated wear.

Fig 1: Identifying Piston

Courtesy of FORD MOTOR CO.

Using the Feeler Gauge Set, measure the piston ring-to-groove clearance.

Fig 2: Measuring Piston Ring-To-Groove Clearance Using Feeler Gauge Set

Courtesy of FORD MOTOR CO.