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October 17, 2025 Service bulletin

Technical Service Bulletin for TufTrac M12 Bolts

Western Star technical service bulletin TSB-32-020-WST for 2020 Western Star 4900, 2020-2021 Western Star 4700 and 2020-2022 Western Star 5700 and others.

Bulletin number
TSB-32-020-WST
Component
Suspension
Summary
Technical Service Bulletin for TufTrac M12 Bolts

Owners of these vehicles have filed 1 complaints in the suspension category.

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