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February 6, 1998 Service bulletin

Some vehicles may experience an audible 50 hz body boom

Ford technical service bulletin 983284 for 1997-1998 Ford Expedition and 1997-1998 Lincoln Navigator.

Bulletin number
983284
Component
Structure: body
Summary
Some vehicles may experience an audible 50 hz body boom. Tt

Owners of these vehicles have filed 71 complaints in the body category.

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