Cummins ISL Technical Service Bulletins


Latest Technical Service Bulletins of Cummins ISL

Cummins ISL 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.

Cummins ISL engine and engine cooling TSB (Bulletin TSB220227)

Bulletin Date: Apr. 24, 2023
Component: Engine and engine cooling
Bulletin Summary: This technical service bulletin describes the verification and resolution of external lubricating oil leak issue that can occur at the tappet guide screw by an updated screw installation procedure. This is an update to the previously submit
Vehicles covered in this TSB:
Cummins Isc8.3, Cummins ISL, Cummins Isl 9, Cummins L9.

Cummins ISL engine and engine cooling TSB (Bulletin TSB220220)

Bulletin Date: Apr. 14, 2023
Component: Engine and engine cooling
Bulletin Summary: This technical service bulletin describes the verification and resolution of missing cup plugs from the fuel drain line at the front face of the cylinder head and the external fuel leak issue. This is an update to the previously submitted c
Vehicles covered in this TSB:
Cummins B6.7, Cummins Isb6.7, Cummins ISL, Cummins L9.