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 |
Engine (6007) should be at normal operating temperature.
In addition to maintaining the correct coolant level, the radiator fins must be cleaned and the cooling system inspected periodically for leaks in order to be sure the system operates at maximum efficiency.
Check the cooling system for dirty or rusty appearance. Dirty or rusty coolant requires replacement to protect the cooling system from corrosion damage.