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October 29, 2019 Service bulletin

Customer Advisory Letter for WABCO HP air dryer turbo cut-off valve replacement.

Western Star technical service bulletin CAL_WS_42001 for 2019-2020 Western Star 4700, 2019-2020 Western Star 5700 and 2019-2020 Western Star 6900 and others.

Bulletin number
CAL_WS_42001
Component
Service brakes, air
Summary
Customer Advisory Letter for WABCO HP air dryer turbo cut-off valve replacement.

Owners of these vehicles have filed 2 complaints in the brakes category.

Vehicles covered

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