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October 1, 2021 Service bulletin

ConMet Front Hub to Rotor Fasteners

Freightliner technical service bulletin SF613 for 2021 Freightliner Cascadia, 2021 Freightliner Columbia and 2021 Freightliner Business Class M2 and others.

Bulletin number
SF613
Component
Service brakes, hydraulic
Summary
ConMet Front Hub to Rotor Fasteners. On certain vehicles, the front rotor nuts may not be torqued to manufacturer specification. Loose components could cause damage to the ABS tone rings, the ABS sensors, and the anchor plate mounting fasteners.

Owners of these vehicles have filed 4 complaints in the brakes category.

Vehicles covered

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