Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 440 bulletins for KENWORTH
TIB 15-024
Aug 12, 2016
010000 STEERING
Steering Arm & Draglink Interference interference between the steering arm and draglink during a full right turn. This may result in a reduced turning angle.
ESB E143
Aug 11, 2016
350000 EQUIPMENT
Under-torqued Oil Feed Pipe Bolts Kenworth has determined that the turbocharger oil feed pipe installed on your vehicle did not meet our quality standards.
51-008CustLtr
Aug 4, 2016
118000 ELECTRICAL SYSTEM:SOFTWARE
T680/T880 predictive cruise control (PCC) software update.
51-009CustLtr
Aug 4, 2016
110000 ELECTRICAL SYSTEM
T680/T880 Predictive Cruise Control (PCC) Software Updates
24-006CustLtr
Aug 4, 2016
100000 POWER TRAIN
Maintenance free interaxle driveline was not installed.
E153
Jul 15, 2016
060000 ENGINE (PWS)
FIX-AS-FAIL ? P0087 DIAGNOSTIC TROUBLE CODE (DTC) HAS A HIGH RATE OF OCCURRENCE. CLOGGED FUEL FILTERS MAY CONTRIBUTE. ELEMENTS NEED TO BE SHIPPED TO THE PACCAR TECHNICAL CENTER (PTC) FOR INSPECTION.
E148
Jul 14, 2016
060000 ENGINE (PWS)
NON-SAFETY CAMPAIGN - INSTRUCTIONAL VIDEOS FOR USING THE MITY-VAC AND DAVCO FUEL PRO FOR PRIMING PACCAR MX ENGINE FUEL SYSTEMS.
51-007
Jul 7, 2016
118000 ELECTRICAL SYSTEM:SOFTWARE
FIX-AS-REQUESTED - NAV+ HD SOFTWARE UPDATE FOR RANDOM REBOOT FIX AND MP3 FEATURES ENABLED.
51-008
Jul 7, 2016
350000 EQUIPMENT
NON-SAFETY CAMPAIGN - INCORRECT PREDICTIVE CRUISE CONTROL (PCC) SPEED SIGNAL ON CUMMINS EQUIPPED T680 VEHICLES.
51-009
Jul 7, 2016
090000 FUEL SYSTEM, OTHER
NON-SAFETY CAMPAIGN - POSSIBLE ASSEMBLY AND PROGRAMMING ISSUES WITH THE PCC SYSTEM MAY REDUCE THE FUEL SAVINGS BENEFIT OF PCC.
51-006
May 31, 2016
350000 EQUIPMENT
NON-SAFETY CAMPAIGN - CHASSIS BUILT WITH PRE-PRODUCTION QV/VV MODELS OF THE NAV+ HD SYSTEM HARDWARE ARE ELIGIBLE FOR REPLACEMENT. THIS DOES NOT AFFECT THE OPERATION OF THE VEHICLE.
43-047
May 13, 2016
162300 STRUCTURE:BODY:DOOR
NON-SAFETY CAMPAIGN - GREENHOUSE GAS (GHG) HIGH AMBIENT TEMPERATURE EIST OVERRIDE SETTING IS NOT AS CUSTOMER REQUESTED. THIS CAUSES THE VEHICLE TO SHUT DOWN AT 65 DEGREES INSTEAD OF 80 DEGREES. THIS CHANGE REQUIRES THAT THE GHG LABEL IN THE
63-005
May 10, 2016
350000 EQUIPMENT
FIX-AS-FAIL - SATELLITE SYSTEMS IN THE VEHICLE ARE EXPERIENCING POOR CONNECTIVITY. THE SATELLITE ANTENNA WILL BE RELOCATED FROM THE HEADLINER IN THE CAB TO THE ROOF OF SLEEPER FOR BETTER RECEPTION.
99-032
May 9, 2016
350000 EQUIPMENT
INFORMATION ONLY - DEALERS ARE INFORMED TO CHECK THEIR PARTS INVENTORY TO ENSURE THAT THE SERVICE DEPARTMENT HAS THE DAVIE3 (P/N 1791894) TOOL ON-HAND.
E143
Jan 27, 2016
350000 EQUIPMENT
Section-Exhaust and Aftertreatment Subject-Under torqued oil feed pipe bolts The turbocharger oil feed pipe was not properly torqued to the center hub rotating assembly (CHRA) or at the cylinder block.
E140
Jan 21, 2016
060000 ENGINE (PWS)
Section-Exhaust Subject-HC Doser Inward Opening Poppet (IOP)/Outward Opening Poppet (OOP)Update Process The HC Doser on a PACCAR MX-13 EPA2010 is replaced.
E142
Jan 15, 2016
060000 ENGINE (PWS)
Subject Engine Support Case Sharing The PACCAR Parts team has been listening to the feedback provided through the SupportLink website and are releasing new functionality based on your suggestions to make the site easier to navigate.
E137
Jan 14, 2016
350000 EQUIPMENT
Subject MX-13 & MX-11 Valve Adjustment Intervals Customers and maintenance providers should be aware of the new valve adjustment intervals for PACCAR MX-13 engines.
E134
Nov 5, 2015
060000 ENGINE (PWS)
Programming Engine and Aftertreatment Software with DAVIE4 Vehicle requiring engine or aftertreatment software updated using DAVIE4 All MX engine or aftertreatment software files must to be processed through PACCAR Engine Pro (PEP) prio
E131
Oct 30, 2015
060000 ENGINE (PWS)
Exhaust and Aftertreatment High rate of Trouble Not Found (TNF) on the DEF Pump Modules (L074) on all vehicles built with an MX-13 EPA10 and EPA13 engine. If the DEF Pump Module is found to be
E122
Oct 20, 2015
060000 ENGINE (PWS)
ENGINE IDLE SHUTDOWN TIMER (EIST) OVERRIDES POWER TAKEOFF MODE (PTO). When operating in PTO mode, vehicle shuts down after five minutes. New engine parameter incompatibility in MY2015B software (P151C) causes engine to use park mode engi