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April 1, 2000 Service bulletin

Some vehicles may exhibit a repetitive knock/ thump noise from the left front which is proportional to the...

Ford technical service bulletin 8561 for 2001 Ford Explorer Sport and 2001 Ford Explorer Sport Trac.

Bulletin number
8561
Component
Service brakes, hydraulic: foundation components
Summary
Some vehicles may exhibit a repetitive knock/ thump noise from the left front which is proportional to the wheel speed when braking. Mr

Owners of these vehicles have filed 22 complaints in the brakes category.

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