4. NOTE: The piston pin retainer gap orientation must be toward the top of the piston.
Install the piston pin retainers.
5. Lubricate and install the oil control rings.
1. Upper oil control ring.
2. Oil control expander ring.
3. Lower oil control ring. Material : Motorcraft® SAE 5W-20 Premium Synthetic Blend Motor Oil (U.S.) / XO-5W20-QSP (U.S.) (WSS-M2C945-A)
Source reference 476
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.