Retrofit
Kenworth technical service bulletin R2103 for 2020 Kenworth T680, 2020 Peterbilt 579 and 2020 Peterbilt 389 and others.
- Bulletin number
- R2103
- Component
- Engine and engine cooling
- Summary
- Retrofit - The emissions exemption will be expiring on 5/15/2022 for certain pre-production vehicles equipped with PACCAR MX-11 and MX-13 EPA 2021 Emissions engines. Production-level components are now available to make these vehicles compliant.
Owners of these vehicles have filed 2 complaints in the engine category.
Vehicles covered
- Kenworth T680 2020 2020
- Peterbilt 579 2020 2020
- Peterbilt 389 2020 2020
- Kenworth T880 2020 2020
- Peterbilt 567 2020 2020
- Peterbilt 520 2020 2020
- Peterbilt 365 2020 2020
- Kenworth W990 2020 2020
- Peterbilt 367 2020 2020
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