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May 17, 2004 Service bulletin

Turbo-induced exhaust moan/drone at 1600-1800 RPM on 6.0L built prior to 9/29/2003. tt

Ford technical service bulletin 0494 for 2004 Ford F-250 SD, 2004 Ford F-350 and 2003-2004 Ford Excursion and others.

Bulletin number
0494
Component
Engine and engine cooling: exhaust system
Summary
Turbo-induced exhaust moan/drone at 1600-1800 RPM on 6.0l built prior to 9/29/2003. Tt

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