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September 8, 2020 Service bulletin

ConMet Work Instructions for Inspection of ConMet Disc Brake Rotor to Hub Fastener

Freightliner technical service bulletin CONMET FLAT ROTO for 2021 Freightliner Cascadia, 2021 Freightliner Business Class M2 and 2021 Freightliner Coronado.

Bulletin number
CONMET FLAT ROTO
Component
Service brakes, hydraulic
Summary
ConMet Work Instructions for Inspection of ConMet Disc Brake Rotor to Hub Fastener. Please see the attached instructions on inspecting the ConMet disc brake rotor to hub fastener. Rotor mounting studs installed on steer and drive hubs on vehicles with flat rotors may fracture due to hydrogen embrittlement.

Owners of these vehicles have filed 3 complaints in the brakes category.

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