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July 10, 2026 Service bulletin

The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to...

Kenworth technical service bulletin E318 for 2022-2025 Kenworth T680, 2021-2025 Peterbilt 389 and 2022-2025 Kenworth T880 and others.

Bulletin number
E318
Component
Engine
Summary
The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to include the latest prognostics bulletin verbiage. The Warranty section has also been updated to include Peterbilt specific SRT codes for filing cross-division repairs.

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

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