Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
TSB140048-042914
May 5, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF LEAKING DIESEL EXHAUST FLUID (DEF) LEAKING FROM THE AFTERTREATMENT DEF DOSING UNIT ELECTRICAL CONNECTOR. MULTIPLE ELECTRICAL DIAGNOSTIC FAULT CODES CAN BE SET DUE
C0539C
May 2, 2014
060000 ENGINE (PWS)
THIS CAMPAIGN AUTHORIZES FIELD REPAIR LOCATIONS TO REPLACE THE FUEL LIFT PUMP AND RECALIBRATE THE ELECTRONIC CONTROL MODULE (ECM) ON CERTAIN ENGINES IN SCHOOL BUS, TRANSIT BUS AND EMERGENCY VEHICLE APPLICATIONS. THIS CAMPAIGN IS BEING RELE
C1437B
May 2, 2014
060000 ENGINE (PWS)
THIS CAMPAIGN WAS ISSUES TO IMPROVE ENGINE AND AFTERTREATMENT RELIABILITY. IT PROVIDES AUTHORIZATION FOR CERTIFIED REPAIR LOCATIONS TO RECALIBRATE THE ENGINE WITH IMPROVED SOFTWARE.
TSB110033-021811
Apr 29, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF LUBRICATING OIL AERATION ON SOME ENGINES DUE TO GROOVES WORN IN THE LUBRICATING OIL PUMP SUCTION TUBE BORE. TYPICAL ENGINE COMPLAINTS FOR THIS ISSUE ARE LOW OIL P
TSB140030-041714
Apr 29, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATON AND RESOLUTION OF EARLY LIFE OIL CONSUMPTION IN CERTAIN ENGINES CAUSED BY VERTICAL LINER LOBING. THIS IS A REVISION TO A PREVIOUS COMMUNICATION.
TSB-140049
Apr 23, 2014
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CUMMINS: AT EITHER THE CUP PLUG OR OIL SUMP, OF CAMSHAFT REAR END COVER IS AN ENGINE OIL LEAK THAT IS CAUSING CONFUSION. *PE
TSB140019-021414
Apr 23, 2014
060000 ENGINE (PWS)
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
TSB130182-041414
Apr 16, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF FAULT CODES 1921, 1922, 1981, 3375 AND 3376 BEING SET ON CERTAIN ENGINES INSTALLED IN PACCAR CHASSIS DUE TO INCORRECT GROUND WIRING IN THE DIESEL EXHAUST FLUID (DE
C1395A
Apr 11, 2014
060000 ENGINE (PWS)
THIS CAMPAIGN AUTHORIZES CERTIFIED REPAIR LOCATIONS TO RECALIBRATE THE ENGINE CONTROL MODULE (ECM) AND CLEAN THE EXHAUST GAS RECIRCULATION (EGR) VALVE, CONNECTION TUBE AND EGR DELTA PRESSURE PORTS ON CERTAIN ENGINES IN CONVENTIAL DRIVE TRAN
T1479A
Apr 11, 2014
060000 ENGINE (PWS)
AS NEW ECM CALIBRATIONS ARE INSTALLED, THE COMPATIBILITY OF THE ECM CALIBRATION AND THE SCR CATALYST MUST BE MAINTAINED. THIS TEMPORARY REPAIR PRACTICE ALLOWS FOR THE INSPECTION OF THE SCR CATALYST PER TSB130099 WHEN A NEW ECM CALIBRATION I
TSB101060-092410
Apr 11, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF AN ISSUE WITH INSITE 7.4 ELECTRONIC SERVICE TOOL. AFTER UPGRADING TO THIS VERSION, SOME USERS ARE SEEING THAT SOME SPEED RELATED PARAMETERS THAT SHOULD BE ADJUSTA
TSB101067-100710
Apr 11, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN ANNOUNCES A PRODUCT IMPROVEMENT FOR THIS ENGINE MODEL'S WATER PUMP. THE IMPROVED PUMP CONTAINS A MORE ROBUST WATER PUMP PULLEY THAT IS CAPABLE FO WITHSTANDING HIGHER SIDE-LOADING FORCES.
TSB140039-040714
Apr 9, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF DIESEL PARTICULATE FILTER (DPF) OUTLET TEMPERATURE SENSOR WIRES DAMAGED DURING INSTALLATION OF THE AFTERTREATMENT SELECTIVE CATALYTIC REDUCTION (SCR) CATALYST MOUN
TSB140038-040614
Apr 8, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF INLET AND OUTLET NOX SENSOR WIRE LEAD DAMAGE CAUSED BY THE USE OF INCORRECT WIRE TIES.
TSB-140039
Apr 7, 2014
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CUMMINS: INSTALLATION OF AFTERTREATMENT SELECTIVE CATALYTIC REDUCTION (SCR) CATALYST MOUNTING STRAP, CAUSED DIESEL PARTICULATE FILTER (DPF) OUTLET TEMPERATURE SENSOR WIRE TO BE DAMAGED, IN SWITCH BACK EXHAUST CONFIGURATION. *PE
C1388B
Apr 2, 2014
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
THIS CAMPAIGN ADDRESSES FAULT CODE 3569 OCCURRENCES ON CERTAIN AFTERTREATMENT SYSTEMS THAT MAY LEAD TO FAILED DIESEL EMISSIONS FLUID (DEF) DOSING VALVES IN TRANSIT BUS APPLICATIONS. THE REROUTING OF THE DEF SUPPLY LINE AND COOLANT LINES TO
TSB140007-032614
Mar 31, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN INTRODUCES NEW OPTIONS AND PART NUMBERS FOR EXHAUST GAS RECIRCULATION (EGR) COOLERS.
T1277B
Mar 28, 2014
060000 ENGINE (PWS)
THIS TEMPORARY REPAIR PRACTICE ALLOWS THE DRILLING/TAPPING AND INSTALLATION OF A P-CLIP TO THE CYLINDER HEAD IN THE EVENT OF AN ENGINE BRAKE HARNESS FAILURE RESULTING FROM DAMAGE CAUSED BY CONTACT WITH THE ROCKER LEVERS DURING ENGINE OPERAT
T1354A
Mar 28, 2014
060000 ENGINE (PWS)
THIS TEMPORARY REPAIR PRACTICE PERMITS CLEANING/REPLACING A DIESEL PARTICULATE FILTER (DPF) ON CERTAIN ENGINES WHICH EXPERIENCE FAULT CODES 3375, 3376, 1981 OR 1922. IN ORDER TO QUALIFY, TROUBLESHOOTING MUST HAVE BEEN COMPLETED AND THERE I
SB-3082
Mar 27, 2014
060000 ENGINE (PWS)
MOTOR COACH IND. (MCI): TO CORRECT AN ACTIVE FAULT CODE (2311), EXPERIENCED IN THE ENGINE, A NEW CALIBRATION ECM IS BEING INSTALLED. *PE
TSB110249-032515
Mar 27, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN ANNOUNCES A NEW VEE-RIBBED DRIVE BELT IN WATER PUMP DRIVE OPTION WP9329 AS PART OF A PRODUCT IMPROVEMENT.
TSB120180-012214
Mar 27, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN INTRODUCES NEW FAN HUB PULLEYS FOR THE AFFECTED ENGINE MODELS AND PROVIDES DIRECTION ON SUPERCESSION/COMPATIBILITY FOR DIFFERENT FRONT END ACCESSORY DRIVE ARRANGEMENTS.
T1465A
Mar 24, 2014
060000 ENGINE (PWS)
THIS TEMPORARY REPAIR PRACTICE DIRECTS THE ACTIONS FOR CERTAIN FUEL PUMP REPAIRS ON ENGINES THAT HAVE CERAMIC PUMPING PLUNGERS IN THE HIGH PRESSURE PUMP. THE REPAIR ACTION WILL APPLY WHEN EITHER THE CERAMIC PLUNGER(S) IS FRACTURED OR DAMAG
TRP-1465
Mar 21, 2014
350000 EQUIPMENT
CUMMINS: INSTRUCTION REPAIR IS PROVIDED WHEN CERAMIC PLUNGER(S) ARE EITHER FRACTURED OR DAMAGE TO ROLLER/TAPPET ASSEMBLY, THEN REPAIR ACTION WILL APPLY. *PE UPDATED 10/24/14. *PE
TSB130175-031714
Mar 20, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF FAULT CODE 3375 AND/OR 3376 ON CERTAIN ENGINES INSTALLED IN VOLVO VNL CHASSIS. THIS MAY BE CAUSED BY INSULATION FIBERS FROM THE EXHAUST FLEX PIPE PLUGGING THE INL