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August 20, 2021 Service bulletin

Technical Service Letter for GHG21 Detroit DD16 Poor Acceleration Complaints In Western Star 49X Chassis...

Western Star technical service bulletin 21TS-12 for 2021-2022 Western Star 49X.

Bulletin number
21TS-12
Component
Engine and engine cooling
Summary
Technical Service Letter for GHG21 Detroit DD16 Poor Acceleration Complaints In Western Star 49X Chassis When Lightly Loaded.

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

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