| 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: | Jun. 26, 2018 |
| Component: | Engine (pws) |
| Bulletin Summary: | This campaign addresses a calibration update in certain engines. The campaign enables authorized repair locations to calibrate the engine control module to the latest revision. |
| Vehicles covered in this TSB: |
Cummins Westport Isx12 G.
|
| Bulletin Date: | Feb. 25, 2016 |
| Component: | Engine (pws) |
| Bulletin Summary: | This technical service bulletin communicates the release of a new lubricating oil filter bypass valve. The oil filter bypass valve can leak, caused by improper sealing of the lubricating oil filter bypass valve plunger in the lubricating o |
| Vehicles covered in this TSB: |
Cummins ISM,
Cummins Isx11.9,
Cummins ISX12,
Cummins ISX15,
Cummins Westport Isx12 G.
|