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October 1, 1999 Service bulletin

Some vehicles equipped with 4.0L sohc engines may exhibit a vibration / moan / boom at idle

Ford technical service bulletin 7270 for 1997-2000 Ford Explorer and 1997-2000 Mercury Mountaineer.

Bulletin number
7270
Component
Engine and engine cooling: engine: gasoline
Summary
Some vehicles equipped with 4.0l sohc engines may exhibit a vibration / moan / boom at idle. Tt

Owners of these vehicles have filed 655 complaints in the engine category.

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