Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
TSB160070-010317
Jan 3, 2017
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF EXCESSIVE AIR COMPRESSOR OIL CARRYOVER ON CERTAIN ENGINES INSTALLED IN TRANSIT BUS APPLICATIONS.
TSB160126-113016
Nov 20, 2016
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of engine oil leaks from the turbocharger compressor housing being misdiagnosed as a turbocharger oil seal malfunction on certain ISL G engines.
C1613B
Nov 17, 2016
060000 ENGINE (PWS)
THIS CAMPAIGN IS BEING ISSUED TO ADDRESS PLUGGING OF THE EGR COOLERS AND EGR VALVES RESULTING IN FC1896 AND/OR FC3382 ON CERTAIN ENGINES IN TRANSIT BUS APPLICATIONS. THIS CAMPAIGN AUTHORIZES CERTIFIED REPAIR LOCATIONS TO REPLACE THE VALVE S
TSB160123-111716
Nov 17, 2016
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of belt squeal noise from the front end accessory drive area during rapid deceleration conditions or belt flap/snap and low belt tension on certain engines.
TSB160091-111516
Nov 15, 2016
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin announces new service tools that provide a quick and easy way to determine the size of the cylinder block bore as well as the cylinder liner diameter. Engine malfunctions have been observed as 150 mm cylinde
C1847
Nov 8, 2016
060000 ENGINE AND ENGINE COOLING
This Campaign is being issued to address a calibration update in certain ISB6.7 engines installed in Thomas Built buses. This document authorizes repair locations to recalibrate the Engine Control Module (ECM) to the latest revision.
TSB160066-110716
Nov 7, 2016
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of external oil leaks originating from a cracked rocker lever cover on certain engines caused by an oxygen sensor branch of the wire harness being pinched between the
ATC1831
Nov 4, 2016
060000 ENGINE AND ENGINE COOLING
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
C1846
Nov 4, 2016
060000 ENGINE AND ENGINE COOLING
This Campaign is being issued to address calibration issues for the ISX12 engines in certain motor coach applications. Certified repair locations are authorized to update the Engine Control Module (ECM) calibration any time the unit is in
TSB160030-110416
Nov 4, 2016
060000 ENGINE AND ENGINE COOLING
This document announces new J-seal compatible exhaust manifold sections for all three piece exhaust manifolds. The new exhaust manifolds have been introduced to commonize the J-seal slip joint technology for all three piece exhaust manifol
TSB160088-110216
Nov 2, 2016
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin announces the release of new intake and exhuast rocker levers with lubricating oil feed and roller pin changes to improve robustness against corrosion and debris related damage in the roller to roller pin joi
TSB120053-110116
Nov 1, 2016
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin announces a wide valve camshaft lobe and valve rocker lever roller release to improve the robustness of the ISX valve camshaft. The camshaft lobe and rocker lever rollers were widened to reduce the contact s
TSB160118-110116
Nov 1, 2016
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin informs the field of a new exhaust manifold that has been redesigned and is thicker to make the manifold more robust.
TSB160031-101716
Oct 31, 2016
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF FAULT CODE 1715 ON INTERNATIONAL TRUCK AND ISC BUS CHASSIS DUE TO LOW DIESEL EXHAUST FLUID (DEF) LEVEL IN THE DEF TANK. THIS IS A REVISION TO A PREVIOUS COMMUNICA
TSB160091-083016
Oct 31, 2016
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN ANNOUNCES NEW SERVICE TOOLS THAT PROVIDE A QUICK AND EASY WAY TO DETERMINE THE SIZE OF THE CYLINDER BLOCK BORE AS WELL AS THE CYLINDER LINER DIAMETER. ENGINE MALFUNCTIONS HAVE BEEN OBSERVED AS 150 MM CYLINDE
TSB160112-101716
Oct 19, 2016
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE RESOLUTION OF CRACKS IN SELECT CAST AIR INTAKE MANIFOLD COVERS. A NEW WELDED AIR INTAKE MANIFOLD COVER HAS BEEN RELEASED TO REDUCE CRACK MALFUNCTIONS.
C1837
Oct 14, 2016
060000 ENGINE (PWS)
THIS IN-SHOP CAMPAIGN IS BEING ISSUED TO INSTALL ISOLATORS ON FUEL LINES #1 AND #6 ON CERTAIN ENGINES INSTALLED IN RV AND EMERGENCY VEHICLE APPLICATIONS. IT PROVIDES AUTHORIZATION FOR CERTIFIED REPAIR LOCATIONS TO INSTALL THE ISOLATORS TO
TSB160108-101216
Oct 14, 2016
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF THE AIR COMPRESSOR PUMPING LUBRICATING OIL INTO THE AIR SYSTEM ON CERTAIN ENGINES DUE TO THE AIR COMPRESSOR CYLINDER HEAD NOT MAINTAINING POSITIVE PRESSURE ON THE
CPGF-S-00000369-
Oct 13, 2016
060000 ENGINE (PWS)
THIS PRODUCT SUPPORT BULLETIN WAS ISSUED TO ALERT THE FIELD THAT ON CERTAIN GENERATOR SETS, A POTENTIAL CONDITION HAS BEEN IDENTIFIED WHICH MAY CAUSE THE GENERATOR SET COOLING FAN BOLTS TO LOOSEN AND BACK OUT. THIS CAN RESULT IN A LOSS OF
CMI-A9J8A-11
Oct 12, 2016
060000 ENGINE (PWS)
THIS OWNER LETTER WAS MAILED TO INFORM CUSTOMERS OF AN EMISSIONS CAMPAIGN ON CERTAIN ENGINES. IT REFERS TO CUMMINS CAMPAIGN C1634. THIS WAS A SECOND NOTIFICATION.
C1818A
Oct 11, 2016
060000 ENGINE (PWS)
THIS CAMPAIGN ADDRESSES CERTAIN ENGINES IN TRANSIT BUS APPLICATINS EXPERIENCING FREQUENT AFTERTREATMENT REGENERATION ISSUES. THIS FIELD ACTION AUTHORIZES CERTIFIED REPAIR LOCATIONS TO PRO-ACTIVELY RECALIBRATE THE ELECTRONIC CONTROL MODULE
TSB150040-101116
Oct 11, 2016
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE TROUBLESHOOTING AND REPAIR STEPS TO CORRECT BELT TENSIONER LOCATING PIN MALFUNCTIONS AND BELT SHREDDING ON CERTAIN ISB ENGINES IN THOMAS PUSHER SCHOOL BUSSES. ORIGINAL EQUIPMENT MANUFACTURER (O
TSB160087-081916
Oct 10, 2016
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE RESOLUTION AND CORRECTIVE ACTION FOR THE WATER-IN-FUEL SENSOR BEING NON-TRIMMABLE WITH THE INSITE ELECTRONIC SERVICE TOOL SOME ENGINE CONTROL MODULE (ECM) CALIBRATION CODES ALLOWED THE WATER-IN
T1830
Oct 5, 2016
060000 ENGINE (PWS)
THIS TEMPORARY REPAIR PRACTICE (TRP) IS BEING ISSUED TO ADDRESS DIESEL OXIDATION CATALYST (DOC) CRACKED INLET FLANGES ON CERTAIN ENGINES. THIE FIELD WILL BE NOTIFIED VIA A TECHNICAL SERVICE BULLETIN (TSB160099) TO VISUALLY INSPECT THE DOC
C1613C
Oct 4, 2016
060000 ENGINE (PWS)
THIS CAMPAIGN IS BEING ISSUED TO ADDRESS PLUGGING OF THE EGR COOLERS AND EGR VALVES RESULTING IN FC1896 AND/OR FC3382 ON CERTAIN ENGINES IN TRANSIT BUS APPLICATIONS. THIS CAMPAIGN AUTHORIZES CERTIFIED REPAIR LOCATIONS TO REPLACE THE VALVE S