Q: How to service and repair the piston by measuring its diameter on Ford Excursion?
A: To service and repair the piston, measure its diameter at a point 90 degrees from the piston pin, specifically 42 mm down from the top of the piston.
Q: How to service and repair the piston on Ford F-350 Super Duty?
A: To maintain the piston, disassembble the subassemblies, clips and the piston pin. Wash and wipe the piston and connecting rod. To assemble, lubricate the connecting rod, place the identification markings face up, the connecting rod, and the piston pin, retaining the clips.