Some medium duty vehicles equipped with the 7.3L powerstroke diesel engine may exhibit a cackling noise...

Bulletin number

00253

Component

Engine and engine cooling: engine: gasoline

Summary

Some medium duty vehicles equipped with the 7.3l powerstroke diesel engine may exhibit a cackling noise above the normal sound of the diesel combustion. This noise may should like a rod knock, but is intermittent and increases in intensity as the engine warms up to operating temperature. Tt

Owners of these vehicles have filed 2 complaints in the engine category.