Information Only – New Level 1 required tools are available to support MY21B MX engines.
Peterbilt technical service bulletin TIB 98-020 for 2021-2022 Peterbilt 579, 2021-2022 Peterbilt 389 and 2021-2022 Peterbilt 567 and others.
- Bulletin number
- TIB 98-020
- Component
- Equipment
- Summary
- Information Only – New Level 1 required tools are available to support MY21B MX engines.
Vehicles covered
- Peterbilt 579 2021-2022 20212022
- Peterbilt 389 2021-2022 20212022
- Peterbilt 567 2021-2022 20212022
- Peterbilt 587 2021 2021
- Peterbilt 520 2021 2021
- Peterbilt 320 2021 2021
- Peterbilt 365 2021 2021
- Peterbilt 367 2021-2022 20212022
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