Section 03-03: Engine Cooling
1996 F-150, F-250, F-350, F-Super Duty, Bronco Vehicles and F-250, F-350 and F-Super Duty Vehicles with 7.3L Diesel Engines Workshop Manual
DESCRIPTION AND OPERATION

Engine Oil Cooler

An oil cooler (6A642) is used on the 7.5L gasoline engine, and 7.3L diesel engine.

On the 5.8L engine and 7.5L engine, the oil cooler is part of the oil filter adapter. The lower radiator hose (8286) attaches to the inlet side of the oil cooler and the oil cooler outlet hose connects to the inlet side of the water pump (8501). Oil going to the full-flow oil filter (6731) passes through the oil cooler as well.

The oil cooler used on the 7.3L diesel engine is attached to the side of the cylinder block (6010). Coolant flows through a set of tubes attached to bulkheads. As oil flows around these tubes, excess heat is transferred to the coolant.