| Bulletin Date: | Mar. 20, 2023 |
| Component: | Engine and engine cooling |
| Bulletin Summary: | This technical service bulletin announces introduction of new fuel shut off valves part nos. 5397343 and 4389457. This is an update to the previously submitted communication. |
| Vehicles covered in this TSB: |
Cummins B5.9 G,
Cummins C8.3 G,
Cummins Isb5.9 G,
Cummins Isb6.7g,
Cummins Isl G,
Cummins Isx12 G,
Cummins L10g.
|
| Bulletin Date: | Mar. 16, 2021 |
| Component: | Brakes (pws) |
| Bulletin Summary: | This technical service bulletin desribes the troubleshooting steps to diagnose natural gas leaks into the engine cooling system. Many natural gas fuel systems use engine coolant to warm the natural gas high pressure regulator and/or heat |
| Vehicles covered in this TSB: |
Cummins B Gas Plus,
Cummins B5.9 G,
Cummins C Gas Plus,
Cummins C8.3g,
Cummins Isb5.9 G,
Cummins Isc8.3,
Cummins L Gas Plus,
Cummins L10,
Cummins Westport Isl G,
Cummins Westport Isx12 G.
|
| Bulletin Date: | Mar. 9, 2021 |
| Component: | Gasoline fuel system |
| Bulletin Summary: | This technical service bulletin informs the field of an issue causing fuel pump leaks on bosch common rail fuel systems. High fuel inlet and fuel drain line restrictions can lead to an external or internal fuel leak from the fuel pump. It |
| Vehicles covered in this TSB: |
Cummins B6.7,
Cummins Isb5.9 G,
Cummins Isb6.7.
|