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August 1, 1998 Service bulletin

Anti-skid brake system (ABS) light on and 4WABS codes set

Ford technical service bulletin 4637 for 1999 Ford F-250, 1999 Ford F-350 and 1999 Ford F-450 SD and others.

Bulletin number
4637
Component
Service brakes, hydraulic: antilock/traction control/electronic limited slip: ABS warning light
Summary
Anti-skid brake system (ABS) light on and 4wabs codes set. Tt

Owners of these vehicles have filed 205 complaints in the brakes category.

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