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Cummins ISX12 Technical Service Bulletins


Latest Technical Service Bulletins of Cummins ISX12

Cummins ISX12 engine and engine cooling TSB (Bulletin TSB220122)

Bulletin Date: Feb. 29, 2024
Component: Engine and engine cooling
Bulletin Summary: This technical service bulletin describes the verification and resolution of exhaust gas recirculation (egr) coolant leaks caused by corrosion of the gas tubes due to certain truck wash chemicals. This is a revision to a previously submitte
Vehicles covered in this TSB:
Cummins ISX12, Cummins Isx12 G, Cummins X12, Cummins X15.

Cummins ISX12 engine and engine cooling TSB (Bulletin TSB140019)

Bulletin Date: Feb. 26, 2024
Component: Engine and engine cooling
Bulletin Summary: This document, in conjunction with the information provided within the manuals listed in table 1 provides inspection and repair guidelines following the malfunction of an xpi fuel pump pumping plunger and/or roller tappet assembly. The lev
Vehicles covered in this TSB:
Cummins ISX12, Cummins ISX15.

Cummins ISX12 engine and engine cooling TSB (Bulletin ATC2685 A)

Bulletin Date: Aug. 31, 2023
Component: Engine and engine cooling
Bulletin Summary: This atc is being issued to address potential fuel shutoff valve failures on certain isx12n cm2380 x120b engines. This document authorizes cummins certified locations to replace fuel shutoff valve part number 5537854 or 5467826 with an impr
Vehicles covered in this TSB:
Cummins ISX12.