| Bulletin Date: | Jun. 1, 2016 |
| Component: | Engine (pws) |
| Bulletin Summary: | This technical service bulletin describes the troubleshooting and repair steps to address high oil consumption and reduced spark plug life due to lifted valve guide seals. The issue is addressed by replacing the valve guide seals. |
| Vehicles covered in this TSB: |
Cummins B,
Cummins B5.9 Gas Plus.
|
| Bulletin Date: | Jan. 4, 2016 |
| Component: | Engine (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 B5.9 Gas Plus,
Cummins C Gas Plus,
Cummins C8.3g,
Cummins Isb5.9 G,
Cummins ISL,
Cummins L10g,
Cummins Westport Isl G,
Cummins Westport Isx12 G.
|
| Bulletin Date: | Oct. 9, 2015 |
| Component: | Cooling system hose |
| Bulletin Summary: | This technical service bulletin describes the verification and resolution of a turbocharger coolant hose leak on certain engines as a result of damage caused by a hose clamp. |
| Vehicles covered in this TSB: |
Cummins B5.9,
Cummins B5.9 G,
Cummins B5.9 Gas Plus,
Cummins Isb5.9 G.
|