The attached procedures document has been updated with more detail and explanations
Kenworth technical service bulletin 45-070 for 2017-2026 Kenworth T680, 2017-2026 Peterbilt 579 and 2017-2025 Kenworth T800 and others.
- Bulletin number
- 45-070 (45-070)
- Component
- Engine
- Summary
- The attached procedures document has been updated with more detail and explanations. This is not a stand-alone procedure. Cummins Quickserve troubleshooting will specify the use of these procedures while troubleshooting specific fault codes.
Owners of these vehicles have filed 9 complaints in the engine category.
Vehicles covered
- Kenworth T680 2017-2026 20192020202120222023202420252026
- Peterbilt 579 2017-2026 20192020202120222023202420252026
- Kenworth T800 2017-2025 20182019202020212022202320242025
- Peterbilt 389 2017-2024 20172018201920202021202220232024
- Kenworth T880 2017-2026 20192020202120222023202420252026
- Peterbilt 567 2017-2025 20182019202020212022202320242025
- Kenworth C500 2017-2025 20182019202020212022202320242025
- Kenworth T800B 2021-2025 20212022202320242025
- Peterbilt 365 2017-2025 20182019202020212022202320242025
- Peterbilt 367 2017-2025 20182019202020212022202320242025
- Kenworth W990 2018-2026 20192020202120222023202420252026
- Peterbilt 589 2024-2026 202420252026
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