97 Engine Changes PDF

A service bulletin that outlines significant changes made to the 7.3L DIT engine for the 1997 model year, specifically addressing the Ford Econoline, F Super Duty, F-250 HD, and F-350. The document details modifications in the crankcase, valve train, lubrication, water pump, and glow plug controller. New designs in components aim to reduce engine noise and improve assembly. A parts application chart provides a comparison of parts used in 1997 and earlier model years, including descriptions and part numbers.