Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 726 bulletins for ISUZU
CB18K001
Jan 19, 2018
062300 ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
IN SOME 2013-2017MY ISUZU N-SERIES AND NPR STRIPPED CHASSIS (REACH VAN) VEHICLES EQUIPPED WITH DIESEL ENGINES, THE AUTOMATIC TRANSMISSION FLUID (ATF) HOSES CAN CRACK AND ALLOW TRANSMISSION FLUID TO LEAK. YOU MAY NOTICE FLUID ON THE GROUND,
IB17-L-001A
Dec 21, 2017
080000 FUEL SYSTEM, DIESEL
During refueling, it is possible for water (and other contaminants) to be pumped into the fuel tank along with the diesel fuel. This can occur if a service station does not regularly inspect and clean its fuel tanks, or if a service station
IB17-J-002
Dec 21, 2017
110000 ELECTRICAL SYSTEM
Whenever certain components are replaced, the ECM must acquire a new "MAF Sensor Learned" value. This is to optimally adjust the ECM for variations in the intake duct or certain sensors. Perform the "MAF Sensor Relearn Procedure if any of
IB15-J-002B
Dec 11, 2017
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
A new Isuzu oil filter is now available for 2011MY and newer Isuzu N-Series vehicles equipped with 4HK1 diesel engines. The new oil filter?s bypass valve pressure has been changed to improve filtration in cold weather. As a result it is nec
SB15-J-003A
Dec 11, 2017
060000 ENGINE (PWS)
For 2016MY N-Series vehicles, a secondary oil screen was added to the oil filter mounting adapter to keep larger debris from entering the oiling system when the oil filter bypass valve is activated. This new secondary screen will require cl
IB17-E-001
Oct 3, 2017
350000 EQUIPMENT
Isuzu N-Series vehicles utilize one of two different kingpin replacement kits, depending on vehicle models and the vehicle production date. It is important that the correct kingpin kit is selected and the parts within these kits are install
IB17X004
Sep 21, 2017
060000 ENGINE (PWS)
In order to improve the quality of the original equipment manufacturer (OEM) and service replacement engines and transmission assemblies, the Isuzu Quality Center (IQC) was implemented to assist dealers whenever an Isuzu diesel/gasoline eng
SB13X001A
Sep 6, 2017
110000 ELECTRICAL SYSTEM
If it is suspected that an Isuzu vehicle was subjected to flood conditions where some or all electrical components may have been submerged, please follow the guidelines and procedure outlined in this service bulletin.
IB17X003
Sep 1, 2017
117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
Instrument clusters now supplied with mileage programmed.
IB17L001
Jul 6, 2017
080000 FUEL SYSTEM, DIESEL
Damage to fuel systems, including to both low and high pressure components, often results from fuel contamination. Operating a vehicle?s diesel engine on fuels and additives that do not meet the vehicle manufacturer?s specifications for lub
SB17-L-001
Apr 12, 2017
092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
IF THE CURRENT DIAGNOSTIC CALLS FOR THE SUPPLY PUMP TO BE REPLACED, PLEASE PERFORM THE INSPECTION PROCEDURES OUTLINED IN THIS BULLETIN. THE PURPOSE OF THE INSPECTION PROCEDURE OUTLINED IN THIS BULLETIN IS TO PREVENT FAILURES RESULTING FROM
IB10-X-004H
Feb 28, 2017
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
IN AN EFFORT FOR CONTINUOUS IMPROVEMENT, ISUZU HAS A NEED TO OBTAIN MIMAMORI ECU (HEALTH REPORT) INFORMATION. IT IS CRITICAL TO OBTAIN MIMAMORI ECU INFORMATION DURING THE REPAIR PROCESS. THIS INFORMATION WILL BE USED BY ISUZU ENGINEERING TO
WB13-X-002C
Feb 28, 2017
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
ISUZU IS PROVIDING THIS BULLETIN TO OUTLINE ISUZU?S POLICY AND PROCEDURES FOR ISUZU VEHICLES WITH TIRE WARRANTY COVERAGE.
IB11-L-003B
Feb 28, 2017
070000 FUEL SYSTEM, GASOLINE
THIS INFORMATION IS BEING ISSUED TO HELP DEALERS IDENTIFY A POTENTIAL SOURCE FOR FUEL CONTAMINATION. IF A CUSTOMER?S COMPLAINT LEADS TO THE DISCOVERY OF CONTAMINATED FUEL, THE SOURCE OF THE CONTAMINATION MUST BE FOUND AND REPAIRED. CONTAMI
IB16-F-001B
Feb 28, 2017
106000 POWER TRAIN:AXLE ASSEMBLY
SOME CUSTOMERS OF N-SERIES VEHICLES MAY COMPLAIN OF AN AUDIBLE CLICKING OR CHATTERING NOISE COMING FROM THE REAR OF THE VEHICLE WHILE MAKING TIGHT TURNS. THIS CONDITION MAY BE DUE TO INCORRECT AXLE FLUID INSTALLED AT THE LAST SCHEDULED MAIN
IB12-X-002A
Jan 19, 2017
356000 EQUIPMENT ADAPTIVE/MOBILITY
THIS BULLETIN IS BEING ISSUED TO INFORM DEALERS OF IMPORTANT INFORMATION ABOUT REPLACEMENT KEYS FOR NPR STRIPPED CHASSIS (REACH). USE THE INFORMATION BELOW TO OBTAIN A REPLACEMENT KEY. FOR YOUR CONVENIENCE REPLACEMENT KEY BLANK AND KEY CODE
IB16-J-003
Nov 18, 2016
350000 EQUIPMENT
ISUZU HAS DEVELOPED NEW PARTS TO BE USED WHEN REPLACING THE DEF COOLANT PIPE ASSEMBLY ON N-SERIES VEHICLES EQUIPPED WITH THE 5.2L 4HK1 ENGINE. IN ORDER TO INSTALL A NEW DEF COOLANT PIPE ASSEMBLY PROPERLY, YOU MUST USE A NEW BRACKET AND A NE
IB10-X-004F
Oct 28, 2016
060000 ENGINE (PWS)
IN AN EFFORT FOR CONTINUOUS IMPROVEMENT, ISUZU HAS A NEED TO OBTAIN MIMAMORI ECU (HEALTH REPORT) INFORMATION. IT IS CRITICAL TO OBTAIN MIMAMORI ECU INFORMATION DURING THE REPAIR PROCESS. THIS INFORMATION WILL BE USED BY ISUZU ENGINEERING TO
SB16-D-001
Oct 28, 2016
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
AN INVESTIGATION OF THE AIR CONDITIONING COMPRESSORS RETURNED AS WARRANTY PARTS HAS SHOWN THAT COMPRESSORS ARE BEING UNNECESSARILY REPLACED. THE COMMON COMPLAINTS OF NOISE AND/OR POOR COOLING ARE MOST LIKELY A RESULT OF LOW REFRIGERANT LEVE
IB12-L-001A
Oct 26, 2016
090000 FUEL SYSTEM, OTHER
SOME CUSTOMERS MAY COMPLAIN THAT THE DEF TANK SIGHT TUBE AND DEF LEVEL GAUGE IN THE MID (MULTI INFORMATION DISPLAY) DO NOT MATCH. THE DEF TANK SIGHT TUBE IS USED FOR FILLING PURPOSES ONLY IN ORDER TO PREVENT OVERFILLING. ACTUAL DEF LEVEL SH
IB15-J-002A
Aug 25, 2016
060000 ENGINE (PWS)
A NEW ISUZU OIL FILTER IS NOW AVAILABLE FOR 2011MY AND NEWER ISUZU N-SERIES VEHICLES EQUIPPED WITH 4HK1 DIESEL ENGINES. THE NEW OIL FILTER?S BYPASS VALVE PRESSURE HAS BEEN CHANGED TO IMPROVE FILTRATION IN COLD WEATHER. AS A RESULT IT IS NEC
IB16-F-001A
Aug 19, 2016
105000 POWER TRAIN:DRIVELINE
SOME CUSTOMERS OF N-SERIES VEHICLES MAY COMPLAIN OF AN AUDIBLE CLICKING OR CHATTERING NOISE COMING FROM THE REAR OF THE VEHICLE WHILE MAKING TIGHT TURNS. THIS CONDITION MAY BE DUE TO INCORRECT AXLE FLUID INSTALLED AT THE LAST SCHEDULED MAIN