The purpose of this CBR is to outline the steps for adjusting brake pedal freeplay following Foot Brake...
Mack technical service bulletin CBR 2503 092025 for 2025-2026 Mack Pioneer PR (4) and 2026 Mack Anthem An (4).
- Bulletin number
- CBR 2503 092025
- Component
- Service brakes
- Summary
- The purpose of this CBR is to outline the steps for adjusting brake pedal freeplay following Foot Brake Modulator (FBM) replacement or when diagnostic code C10C3-77is present.
Vehicles covered
- Mack Pioneer PR (4) 2025-2026 20252026
- Mack Anthem An (4) 2026 2026
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