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September 1, 1999 Service bulletin

Some vehicles built prior to 4/1/1999 may exhibit turbocharger noise, exhaust noise, or oil / soot...

Ford technical service bulletin 6900 for 1999 Ford F-250 SD, 1999 Ford F-350 SD and 1999 Ford F-450 SD and others.

Bulletin number
6900
Component
Engine and engine cooling: engine: gasoline: turbo/supercharger
Summary
Some vehicles built prior to 4/1/1999 may exhibit turbocharger noise, exhaust noise, or oil / soot presence on rear of engine or turocharger. Tt

Owners of these vehicles have filed 147 complaints in the engine category.

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