Cbr
Mack technical service bulletin CBR 2431 072025 for 2025 Mack Pioneer PR (4).
- Bulletin number
- CBR 2431 072025
- Component
- Fuel/propulsion system
- Summary
- CBR - This CBR solution addresses crank no start and engine dying issues in some VN (4) and PR (4) models caused by an incorrect fuel line configuration and/or fuel line fitting not seated correctly.
Vehicles covered
- Mack Pioneer PR (4) 2025 2025
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