Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
TSB140008-092714
Oct 13, 2014
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
THIS TECHNICAL SERVICE BULLETIN INTRODUCES A NEW VERTICAL PLATE EXHAUST GAS RECIRCULATION (EGR) COOLER. THIS IS A REVISION TO A PREVIOUS COMMUNICATION.
TSB140019-102914
Oct 13, 2014
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
TSB140134-100914
Oct 13, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN ANNOUNCES REVISED REPAIR PRACTICES FOR THESE ENGINES. THE DIESEL PARTICULATE FILTER (DPF) MUST BE REPLACED WITH A NEW OR RECON AFTERTREATMENT DPF WHEN IT FAILS THE BEFORE CLEANING AFTERTREATMENT DPF RESTRICT
TSB140139-092914
Oct 8, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERFICATION AND RESOLUTION OF FAULT CODE 3494 ON CERTAIN ENGINES IN THOMAS BUILT SCHOOL BUSES. UNDER CERTAIN CONDITIONS AT ENGINE START-UP, THE VEHICLE WILL LOG A MALFUNCTION ON THE MALFUNCTION
C1422B
Oct 7, 2014
060000 ENGINE (PWS)
THIS CAMPAIGN AUTHORIZES THE REPLACEMENT OF THE FLEXPLATE ON CERTAIN ENGINES. THIS IS A REVISION TO A PREVIOUS COMMUNICATION.
TSB-12028
Oct 7, 2014
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
CUMMINS: DUE TO AN ISSUE OF HEAVY BUILD UP DEPOSITS IN NOZZLE RING AND OUTER SEAL RING IN TURBINE HOUSING, CAUSED BY COOLANT IN EXHAUST GAS, MANY OF THE TURBOCHARGER ARE BEING REPLACED ON CERTAIN ENGINES. *PE
TSB-140115
Oct 7, 2014
060000 ENGINE (PWS)
CUMMINS: WHEN AT DISTRIBUTOR LOCATIONS, ENGINE CONTROL MODULE (ECM) MUST HAVE REQUIRED ADDITIONAL STEPS TO BE CERTIFIED AS GREENHOUSE GAS (GHG) COMPLIANT. *PE
TSB130099-100614
Oct 7, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF INCOMPATIBLE ENGINE CONTROL MODULE (ECM) CALIBRATIONS AND AFTERTREATMENT SELECTIVE CATALYTIC REDUCTIN (SCR) CATALYSTS. THIS IS A REVISION TO A PREVIOUS COMMUNICA
T1564A
Oct 3, 2014
060000 ENGINE (PWS)
THIS TEMPORARY REPAIR PRACTICE ADDRESSES BELT JUMP DURING ENGINE SHUTDOWN ON CERTAIN ENGINES IN RECREATIONAL VEHICLES. THIS ACTION AUTHORIZES REPLACEMENT OF THE BELT AND TENSIONER SHOULD THEY ENCOUNTER THIS FAILURE.
TSB110181-092914
Oct 2, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF ENGINE SPEED INSTABILITY RELATED TO TRUCK VACUUM BLOWER OR PUMP ENGAGEMENT. SOME UNITS WITH TRANSFER CASES HAVE EXHIBITED ENGINE SPEED INSTABILITY WHEN THE VACUU
TSB140136-092914
Oct 2, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF OIL LEAKS AT THE NON-HYDRAULIC DRIVE FRONT COVER. THIS LEAKAGE IS ATTRIBUTED TO POROSITY IN A WALL OF THE CAST ALUMINUM GEAR HOUSING IN CERTAIN ENGINES.
010-028
Oct 1, 2014
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
CUMMINS: TURBOTECHNOLOGIES: REPLACEMENT PROCEDURE FOR THE ISB4.5 CM2350 B104 TURBO ACTUATOR. *LJ
TSB-140130
Sep 30, 2014
060000 ENGINE (PWS)
CUMMINS: THE INLET METERING VALVE CAN LEAD TO A PREMATURE MALFUNCTION OF VALVE AND SOME TRUCKS REQUIRED INLET METERING VALVE BE CLOCKED FOR CLEARANCE OF CAB FLOOR THAT WILL PUT ASSEMBLY COMPONENTS IN A BIND. *PE UPDATED 8/14/15. *P
TSB140130-092314
Sep 30, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF FUEL ACTUATOR INLET METER VALVE CLEARANCE ISSUES ON CERTAIN ENGINES INSTALLED IN PETERBILT 365LC CAR HAULERS.
TSB140134-092914
Sep 30, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN ANNOUNCES REVISED REPAIR PRACTICES FOR THESE ENGINES. THE DIESEL PARTICULATE FILTER (DPF) MUST BE REPLACED WITH A NEW OR RECON AFTERTREATMENT DPF WHEN IT FAILS THE BEFORE CLEANING AFTERTREATMENT DPF RESTRICT
TSB140135-092914
Sep 30, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN ANNOUNCES AN INCREASE IN THE NUMBER OF CLEANING SWEEPS FOR THE INTAKE AIR THROTTLE AT ENGINE OFF. THIS CHANGE IS TO INCREASE THE ROBUSTNESS OF THE INTAKE AIR THROTTLE AND WILL CREATE AN ACTUATOR CYCLE NOISE
C1555C
Sep 23, 2014
092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
THIS CAMPAIGN ADDRESSES HIGH PRESSURE FUEL PUMP CERAMIC PLUNGER FRACTURES IN CERTAIN ENGINES. THIS ACTION AUTHORIZES CERTIFIED REPAIR LOCATIONS TO REPLACE THE BARRELS, PLUNGERS AND TAPPETS IN THE HIGH PRESSURE FUEL PUMP HEAD. THIS IS A RE
C1556A
Sep 23, 2014
092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
THIS CAMPAIGN ADDRESSES HIGH PRESSURE FUEL PUMP CERAMIC PLUNGER FRACTURES IN CERTAIN ENGINES. THIS ACTION AUTHORIZES CERTIFIED REPAIR LOCATIONS TO REPLACE THE BARRELS, PLUNGERS AND TAPPETS IN THE HIGH PRESSURE FUEL PUMP HEAD. THIS IS A RE
WC-C-1555
Sep 23, 2014
060000 ENGINE (PWS)
CUMMINS: THE HIGH PRESSURE FUEL PUMP CERAMIC HEAD HAS THE PLUNGERS, THE BARREL'S, TAPPETS REPLACED IN ENGINE. *PE UPDATED 2/13/15. *PE
WC-C-1556-A
Sep 23, 2014
060000 ENGINE (PWS)
CUMMINS: INFORMATION PROVIDED TO ADDRESS THE FRACTURES OF THE HIGH PRESSURE FUEL PUMP CERAMIC PLUNGER AND TO REPLACE THE BARRELS, PLUNGER, AND TAPPETS. *PE
TSB-140129
Sep 22, 2014
350000 EQUIPMENT
CUMMINS: INFORMATION PROVIDED REGARDING THE MIXED AND INTERCHANGEABLE OF NEW CONNECTING ROD ASSEMBLY, PART NUMBER 5289332, AND OLD PART NUMBER 49454670, IN SAME ENGINE. *PE
T1564
Sep 19, 2014
060000 ENGINE (PWS)
THIS TEMPORARY REPAIR PRACTICE ADDRESSES BELT JUMP DURING ENGINE SHUTDOWN ON CERTAIN ENGINES IN RECREATIONAL VEHICLES. THIS ACTION AUTHORIZES REPLACEMENT OF THE BELT AND TENSIONER SHOULD THEY ENCOUNTER THIS FAILURE.
TSB-110277
Sep 18, 2014
060000 ENGINE (PWS)
CUMMINS: FOR 15 LITER ENGINES, NEW CYLINDER BLOCK AND CYLINDER LINER WERE INTRODUCED AND CYLINDER BLOCK HAD BEEN DESIGNED TO BE BACKWARD COMPATIBLE AND CYLINDER LINER IS DESIGNED NOT TO CROSS COMPATIBLE BETWEEN CYLINDER BLOCK DESIGN. *
TSB110277-091514
Sep 18, 2014
350000 EQUIPMENT
THIS TECHNICAL SERVICE BULLETIN EXPLAINS THAT A NEW CYLINDER BLOCK AND CYLINDER LINER WERE INTRODUCED IN PRODUCTION AND SERVICE. THE NEW CYLINDER BLOCK WAS DESIGNED TO BE BACKWARD COMPATABLE FOR REPAIRS; HOWEVER, THE CYLINDER LINER DESIGN
TSB140107-091514
Sep 18, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF IMPROPER ROUTING OF THE TWIN CYLINDER AIR COMPRESSOR DISCHARGE LINE LEADING TO AIR COMPRESSOR CRANKSHAFT FAILURES IN CERTAIN ENGINES INSTALLED IN PACCAR VEHICLES.