Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
T1975
Dec 15, 2017
060000 ENGINE (PWS)
This Temporary Repair Practice authorizes the inspection and replacement of all six rocker levers on identified Engine Serial Numbers when any rocker lever ball has fractured at the interface of shank and flange on rocker lever.
TSB170124-112820
Dec 7, 2017
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution to incorrect fuel pump timing. This problem is not related to the timing of the fuel pump gear to the fuel pump. The fuel pump gear is keyed or indexed to the pump ca
TSB170119-112020
Nov 28, 2017
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of a charging system alternator bracket malfunction: IC Bus CE Series. The malfunction is due to the use of a non-approved Dual Freon compressor sysstems installed by
TSB170120-112020
Nov 28, 2017
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of Aftertreatment Diesel Particulate Filter (DPF) soot load and regeneration fault codes on International IC Buses. The air cleaner accordion boot seal does not seal
TSB170122-112720
Nov 28, 2017
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of White Residue / Diesel Exhaust Fluid (DEF) Staining On Exhaust as caused by urea not being decomposed/atomized to gaseous state completely. Presence of white stain
CMI-K5C5D-12
Nov 27, 2017
350000 EQUIPMENT
This is a recall notice of a Cummins Filtration product containment request. It has been determined that the FF5418 may have a potential quality issue with the lid, which could potentially lead to a fuel leak.
TSB170121-112720
Nov 27, 2017
060000 ENGINE AND ENGINE COOLING
This Technical Servcie Bulletin describes the verification and resolution of the generator set will crank but not start and typically there will be no fault code but if the generator is cranked for too long (30 seconds), it will show fault
TSB140019-111020
Nov 17, 2017
092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
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
TSB140017-111320
Nov 16, 2017
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of a lubricating oil leak and high crankcase pressure fault codes on engines with an internal crankcase breather filter. The engines are experiencing crankcase breath
TSB150105-111320
Nov 13, 2017
060000 ENGINE (PWS)
This Technical Service Bulletin announces new aftertreatment Selective Catalyst Reduction (SCR) catalyist part numbers and supporting parts. This is a revision to a previously submitted communication.
TSB170117-110920
Nov 10, 2017
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of a fracture of rocker lever ball at interface of shank and flange on rocker lever causing low power, white smoke, black smoke, and/or abnormal engine noise. If frac
TSB170066-051620
Nov 6, 2017
080000 FUEL SYSTEM, DIESEL
This Technical Servcie Bulletin announces the new diamond-like coated steel fuel pump plungers. Fuel pump head ceramic plungers have been replaced with steel diamond-like coated plungers which are more robust and resistant to fractures and
ATC1950
Oct 27, 2017
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
This Account Team Coverage is being issued to update certain ISX15 CM2350 valve rocker assemblies. This field action provides authorization for certified repair locations to replace the intake and exhaust valve rocker assemblies on eligible
ATC1958
Oct 27, 2017
072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
This Account Team Coverage is being issued to upgrade certain ISX15 CM2350 High Pressure Fuel Pump Tappets. This ATC action provides authorization for certified repair locations to replace the brass roller pin tappets in the high pressure f
C1941B
Oct 27, 2017
063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
This field action authorizes certified repair locations to recalibrate the ECM and upfit the unit with an improved SCR Catalyst on certain ISL9 CM2350 L101 engines installed in Transit Bus Applications. New SCRs delete the NH3 Sensor and mo
TSB150089-102020
Oct 23, 2017
080000 FUEL SYSTEM, DIESEL
This Technical Service Bulletin describes the verification and resolution of some cases in which the aftertreatment Diesel Exhaust Fluid (DEF) dosing lines are not being fully purged during the purge cycle. This can result in internal crack
TSB170108-100920
Oct 23, 2017
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution to cracks found on single module aftertreatment selective catalytic reduction (SCR) insulation heat shields. The aftertreatment SCR is not to be replaced for insulati
T1949
Oct 17, 2017
061110 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
This Temporary Repair Practice is being issued to address belt jump resulting in belt shred on certain ISC/ISL Engines in PACCAR applications. The TRP allows for installation of an additional idler assembly and longer belt where these fail
TSB170081-100920
Oct 16, 2017
118000 ELECTRICAL SYSTEM:SOFTWARE
This Technical Service Bulletin announces the verifcation and resolution to active fault code 3555 after downloading engine control module (ECM) calibration codes released June 2017 or later due to compatibility issues with OEM dash configu
TSB170083-100920
Oct 16, 2017
118000 ELECTRICAL SYSTEM:SOFTWARE
This Technical Service Bulletin announces the verification and resolution to active fault code 3555 after downloading engine controll module (ECM) calibration codes released June 2017 or later due to compatibility issues with original equip
TSB170022-100920
Oct 13, 2017
060000 ENGINE (PWS)
This Technical Service Bulletin describes the release of a Steel Piston and Aluminum Piston Kit. The new steel piston replaces the original aluminum piston for select ISL G CM2180 models for improved piston durability. This is a revision t
TSB160031-092920
Oct 2, 2017
080000 FUEL SYSTEM, DIESEL
This Technical Service Bulletin describes the verification and resolution of Diesel Exhaust Fluid (DEF) quality fault codes on International Truck and IC Bus Chassis due to a low Diesel Exhaust Fluid (DEF) level in the DEF tank. This is a r
C1904B
Sep 28, 2017
103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
This In-Shop Campaign authorizes certified repair locations to re-calibrate the ECM on certain 2017 L9 CM2350 engines, any time the unit is in for maintenance or repairs, with certain restrictions on reimbursements.This is a revision to a p
ATC1831B
Sep 26, 2017
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
This Account Team Coverage is being issued to address inadequate v-band not torque on certain ISL G aftertreatment catalysts in New Flyer applications. This action will allow for the installation of a lock nut in addition to the existing v
TSB170102-092120
Sep 26, 2017
112000 ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
This Technical Service Bulletin describes the verification and resolution of belt shredding beginning on the inside rib caused by the charging system alternator not being properly aligned.