| Bulletin Date: | Jan. 10, 2023 |
| Component: | Service brakes, hydraulic |
| Bulletin Summary: | "this technical service bulletin (TSB) describes the verification and resolution of the fuel pump actuator housing and fuel pump actuator - air bleed check valve becoming contaminated with debris. Debris accumulation prevents fuel flow to d |
| Vehicles covered in this TSB: |
Cummins ISX15,
Cummins L9N.
|
| Bulletin Date: | Sep. 21, 2022 |
| Component: | Engine and engine cooling |
| Bulletin Summary: | Rmep used up the engine serial number (esn) range between 73x ?74999999 and the esns at rmep started using the 7500xxxx range. This range is already assigned to engines built from another cummins plant in 2011 |
| Vehicles covered in this TSB: |
Cummins B6.7n,
Cummins L9N.
|
| Bulletin Date: | Sep. 6, 2022 |
| Component: | Engine and engine cooling |
| Bulletin Summary: | This campaign is being issued for field action to authorize certified repair locations to replace the engine dataplate on certain my21 l9n engines. The current dataplate carries incorrect ap options. A new dataplate with the corrected ap op |
| Vehicles covered in this TSB: |
Cummins L9N.
|