Piston Ring-To-Groove Clearance

Inspect the piston for ring land damage or accelerated wear.

Fig 1: Inspecting Piston Ring Land For Damage Or Wear
Courtesy of FORD MOTOR CO.
Measure the piston ring-to-groove clearance.
- Refer to GENERAL SPECIFICATIONS .
- If out of specification, install new components as necessary. Refer to ENGINE for the procedure.
Fig 2: Measuring Piston Ring-To-Groove Clearance
Courtesy of FORD MOTOR CO.