Cummins L9 Technical Service Bulletins


Latest Technical Service Bulletins of Cummins L9

Cummins L9 engine and engine cooling TSB (Bulletin TSB210203)

Bulletin Date: Feb. 29, 2024
Component: Engine and engine cooling
Bulletin Summary: This technical service bulletin describes the verification and resolution of repeated plugging of suction side fuel filter prior to required maintenance interval. This is a revision to a previously submitted communication.
Vehicles covered in this TSB:
Cummins L9.

Cummins L9 engine and engine cooling TSB (Bulletin T7007)

Bulletin Date: Jan. 25, 2024
Component: Engine and engine cooling
Bulletin Summary: This trp is being issued to address exhaust throttle valve (exhaust pressure regulator) failures on certain l9 cm2350 l120c engines installed in hce equipment. This trp allows certified cummins repair locations to remove the etv/epr (cummin
Vehicles covered in this TSB:
Cummins L9.

Cummins L9 engine and engine cooling TSB (Bulletin TSB240006)

Bulletin Date: Jan. 10, 2024
Component: Engine and engine cooling
Bulletin Summary: This technical service bulletin describes the verification and resolution of issue of reduce the problem of external oil leak and prevent debris from entering through the crankshaft seal.
Vehicles covered in this TSB:
Cummins ISC, Cummins ISL, Cummins L9.