Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
T1697
Sep 4, 2015
060000 ENGINE (PWS)
THIS TEMPORARY REPAIR PRACTICE IS BEING ISSUED TO RECALIBRATE THE VARIABLE GEOMETRY TURBOCHARGER (VGT) ACTUATOR OF CERTAIN ISX15 CM2350 ENGINES. IT PROVIDES AUTHORIZATION FOR CERTIFIED REPAIR LOCATIONS TO RECALIBRATE THE VGT ACTUATOR ANYTIM
TSB-150130
Sep 1, 2015
060000 ENGINE (PWS)
CUMMINS: THE INTAKE VALVE HAS THERMAL STRESSES DUE TO ACIDIC CORROSION THAT IS INITIATED BY FATIGUE CRACKING THAT OVER TIME PORTION OF INTAKE VALVE SEPARATES FROM VALVE HEAD AND ENTERS CYLINDER. *PE
CM-2350
Aug 28, 2015
350000 EQUIPMENT
CUMMINS: THERE ARE 8 ENGINE CONTROL MODULE (ECM) HAVING SHORT TO GROUND DAMAGE AROUND AREA OF ANY 3 SPECIFIC SCREW LOCATIONS AND ECM HAD TWO FINAL MANUFACTURED ASSEMBLY LINES (A AND B) AND CONFIRMED ALL 8 FAILURES THROUGH SCREW CELL OF LIN
CMI-K6L5D-08
Aug 28, 2015
060000 ENGINE (PWS)
THIS COMMUNICATION SUMMARIZED AN ISSUE WITH THE MANUFACTURING PROCESS OF THE ELECTRONIC CONTROL MODULE. THIS COMMUNICATION WAS SENT BY THE ENGINE ASSEMBLY PLANT TO VEHICLE OEM PLANTS. THIS ISSUE COULD RESULT IN A BLOWN FUSE AND THE ENGINE
TSB100327-082415
Aug 27, 2015
350000 EQUIPMENT
THIS TECHNICAL SERVICE BULLETIN SUMMARIZES VALVE STEM SEAL USE FOR THE ENGINE. A NEW VALVE STEM SEAL DESIGN WAS IMPLEMENTED TO REDUCE SEAL DAMAGE DURING INSTALLATION.
TSB101596-082415
Aug 27, 2015
350000 EQUIPMENT
THIS TECHNICAL SERVICE BULLETIN INTRODUCES THE REQUIRED COMPONENTS TO SALVAGE DAMAGED CYLINDER HEAD AND MAIN BEARING CAPSCREW HOLE THREADS.
C1634
Aug 21, 2015
060000 ENGINE (PWS)
THIS CAMPAIGN IS TO ADDRESS TURBOCHARGER ACTUATOR FAILURES IN CERTAIN ENGINES IN TRANSIT BUS APPLICATIONS. THIS CAMPAIGN AUTHORIZES THE RECALIBRATION OF THE TURBOCHARGER ACTUATOR.
TSB150104-081715
Aug 21, 2015
092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
THIS TECHNICAL SERVICE BULLETIN DESRIBES A HIGH PRESSURE FUEL PUMP PERFORMANCE TEST AND NEW SERVICE TOOL TO ASSIST IN TROUBLESHOOTING FAULT CODE 559. THIS IS AN UPDATED VERSION OF A PREVIOUSLY RELEASED BULLETIN.
TSB150126-072715
Aug 21, 2015
061320 ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER
THIS TECHNICAL SERVICE BULLETIN DESCRIBES PART SUPERSESSION OF TURBOCHARGERS. THE TURBOCHARGER WASTEGATE ACTUATOR DESIGN AND ELBOW HOSE COUPLING WERE REVISED TO INCREASE TURBOCHARGER ROBUSTNESS.
WC-C-1634
Aug 21, 2015
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
CUMMINS: THE TURBO ACTUATOR IS CALIBRATED WITH LATEST SOFTWARE TO HELP REDUCE TURBO ACTUATOR FAILURES IN SOME TRANSIT BUSES. *PE
C1694
Aug 18, 2015
060000 ENGINE (PWS)
THIS CAMPAIGN AUTHORIZES CERTIFIED REPAIR LOCATIONS TO RE-CALIBRATE THE ECM ON ISL CM2350 ENGINES IN TRANSIT BUS APPLICATIONS.
WC-C-1694
Aug 18, 2015
060000 ENGINE (PWS)
CUMMINS: INFORMATION BEING PROVIDED REGARDING WARRANTY CAMPAIGN RE-CALIBRATION, ON CERTAIN TRANSIT BUS APPLICATIONS, ENGINE CONTROL MODULE (ECM) BY CERTIFIED REPAIR LOCATIONS. NO MODEL OR YEARS LISTED. *PE
TSB150135-080415
Aug 15, 2015
090000 FUEL SYSTEM, OTHER
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE CIRCUMSTANCES UNDER WHICH TO CHANGE AN AIR/FUEL MIXER ORIENTED IN THE WRONG DIRECTION.
T1629A
Aug 14, 2015
060000 ENGINE (PWS)
THIS TEMPORARY REPAIR PRACTICE IS BEING ISSUED TO ADDRESS UNITS THAT HAVE FOUND FAULT CODE 1887, 3545, AND/OR 3583 ACTIVE OR INACTIVE. THE IMPLEMENTATION OF THIS TRP WILL CORRECT THE ISSUE OF LIQUID IMPINGMENT BY APPLYING A WATER SHIELD OV
T1689A
Aug 14, 2015
060000 ENGINE (PWS)
THIS TEMPORARY REPAIR PRACTICE ADDRESSES CERTAIN ENGINES THAT HAVE ACTIVE OR INACTIVE FAULT CODES 1887 OR 3583. IMPLEMENTATION OF THIS PRACTICE WILL CORRECT THE ISSUE OF WATER INTRUSION BY APPLYING A WATER SHIELD OVER THE SCR OUTLET NOX SE
TSB150036-071415
Aug 13, 2015
350000 EQUIPMENT
THIS TECHNICAL SERVICE BULLETIN ANNOUNCES NEW SHORT TURBOCHARGER SERVICE KIT PART NUMBERS FOR SPECIFIC TURBOCHARGER PERFORMANCE PART OPTIONS BY APPLICATION. THIS IS A REVISION TO A PREVIOUSLY SUBMITTED COMMUNICATION.
TSB150116-072115
Aug 13, 2015
080000 FUEL SYSTEM, DIESEL
THIS TECHNICAL SERVICE BULLETIN ANNOUNCES A NEW SERVICE TOOL FOR DIESEL EXHAUST FLUID (DEF) SYSTEM TROUBLESHOOTING, ESPECIALLY FOR FAULT CODES 1682, 3574 AND 3596.
C1638C
Aug 11, 2015
092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
THIS CAMPAIGN IS TO REPLACE THE LUBRICATING OIL FILTER BYPASS VALVE. THE NEW BYPASS VALVE DESIGN HAS MORE EFFECTIVE SEALING CAPABILITY AND PROVIDES BETTER PROTECTION TO FUEL PUMP LUBRICATED COMPONENTS.
T1693
Aug 11, 2015
060000 ENGINE (PWS)
THIS TEMPORARY REPAIR PRACTICE ADDRESSES OXYGEN SENSOR FAILURES ON CERTAIN ENGINES. THIS PRACTICE WILL ALLOW FOR THE INSTALLATION OF AN OXYGEN SENSOR HARNESS ADAPTER IN THE OXYGEN SENSOR CIRCUITS IN THE EVENT OF A WARRANTABLE OXYGEN SENSO
TSB150132-073115
Aug 10, 2015
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THAT USING HEAVY DUTY EXHAUST GAS RECIRCULATION (EGR) COOLER TEST STRIPS TO TEST MIDRANGE EGR COOLERS FOR INTERNAL COOLANT LEAKS IS NOT AN ACCEPTABLE PRACTICE AND WILL NOT PROVIDE ACCURATE RESULTS.
TSB150098-062215
Aug 7, 2015
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN ANNOUNCES THE INTRODUCTION OF THE 2015 ISV5.0 ENGINE.
TSB-150122
Aug 3, 2015
060000 ENGINE (PWS)
CUMMINS: DUE TO AN INCORRECT ALIGNMENT OF HIGH PRESSURE INJECTOR SUPPLY LINE AND FUEL RAIL, A FUEL LEAKAGE HAS OCCURRED FROM HIGH PRESSURE INJECTOR SUPPLY LINE AND NEEDS TO BE REINSTALLED CORRECTLY. NO MODEL OR YEARS LISTED.
TSB-150127
Aug 3, 2015
350000 EQUIPMENT
CUMMINS: SOME ENGINES EXPERIENCE LOW PRESSURE REGULATORS OSCILLATION THAT CAN CAUSES AN IDLE SURGE, INTERMITTENTLY AND HAVE N IMPACT ON PRESSURE READINGS IN INSITE ELECTRONIC SERVICE TOOL BUT AFFECTS GAS MASS FLOW SENSOR MEASUREMENT. MODE
TSB150130-072915
Aug 3, 2015
350000 EQUIPMENT
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE CONFIRMATION AND RESOLUTION OF INTAKE VALVE CHORDAL FAILURES.
TSB-150123
Jul 28, 2015
356000 EQUIPMENT ADAPTIVE/MOBILITY
CUMMINS: DUE TO UNDERSIZED AIR COMPRESSOR AIR INTAKE, ALONG WITH AIR DISCHARGE PIPE, THERE IS AN EXTERNAL OIL LEAK COMING FROM AIR COMPRESSOR DISCHARGE LINE. NO MODEL OR YEARS LISTED. *PE