7.3L Power Stroke – ENGINE OILING – OIL COOLER ASSEMBLY – Reassembly

1. Apply engine oil to NEW “O” rings and “O” ring mating surfaces. Install large “O” rings and then small “O” rings          on oil cooler.
2. Install oil cooler front and rear headers on oil cooler. Ensure locating clips are aligned in slots and headers are             installed evenly on oil cooler.