67. Engine Oil Cooler Cleaning and Inspection

Engine Oil Cooler Cleaning and Inspection





Caution: Refer to Engine Oil Cooler Debris Caution (Engine Oil Cooler Debris Caution).

1. Inspect the oil cooler housing (2) and the oil cooler core (1) for cracks or casting imperfections.
2. Inspect the oil cooler housing for damaged bolt hole threads.
3. Inspect the oil cooler housing and core for damaged seal surfaces.
4. Inspect the oil cooler core for damaged or broken cooling fins.
5. Inspect for restrictions within the coolant passages of the core or housing.
6. Inspect for restrictions within the oil passages of the core or housing.
7. Inspect for a leaking coolant hose fitting (3).