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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 E316 for 2021-2025 Kenworth T680, 2021-2024 Peterbilt 579 and 2021-2024 Peterbilt 389 and others.

Bulletin number
E316
Component
Engine
Summary
The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to include the latest prognostics bulletin verbiage.

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

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