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
CLEANING AND INSPECTION

Radiator Cap

 

  1. Inspect the areas under the vacuum valve and rubber seal for rust or dirt particles.

  1. Using warm tap water, raise and clean the vacuum valve and rubber seals. Thoroughly flush away loose rust or dirt particles trapped under the vacuum valve and rubber seal and on the surfaces of the seals.

  1. Inspect and remove any imbedded rust or dirt particles on the sealing surfaces of the rubber seal.

  1. Inspect the radiator filler neck opening for rust or dirt particles on the sealing surface at the bottom of the filler neck opening. Use a clean cloth and wipe the sealing surface to remove any rust or dirt particles. If paint is observed on the filler neck sealing surface, remove it using paint thinner.






    ItemPart NumberDescription
    1—Seal Surface (Part of 8100)
    2—Under Rubber Seal
    (Part of 8100)
    3—Overflow System Seal with Recovery System
    (Part of 8100)
    4—Under Vacuum Valve
    (Part of 8100)
    5—Sealing Surface
    (Part of 8100)