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January 14, 2025 Other

Service Solution for Power Steering Reservoir Fill Cap Venting

Western Star technical service bulletin SS778-WST for 2015-2022 Western Star 4700, 2015-2022 Western Star 5700 and 2023-2025 Western Star 47X and others.

Bulletin number
SS778-WST
Component
Steering
Summary
Service Solution for Power Steering Reservoir Fill Cap Venting

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

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