2025 International LT technical service bulletins
78 technical service bulletins and manufacturer communications cover the 2025 International LT, including one warranty extension.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Guide the user on how to submit an oil leak for warranty
- Feature code 0008TSJ for auto start stop is a feature that will allow you to preset values in the body...
- This article provides service part information for replacing a cracked gauge cluster lens
- This article will provide the calibration revision history for S13 Integrated EPA 2024 Powertrains.
- Effective January 1, 2008 , engines built for vehicles registered in California or a CARB (Air Resources...
- This document outlines the steps for customers who wish to modify their vehicle configuration by...
- This article provides guidance to dealership personnel, Technical Services personnel, Dealer Service...
- This article will provide the calibration revision history for S13 Integrated EPA 2024 Powertrains
- The purpose of
- This document will guide the user through the parts and information related to A26B resonator removal and...
- This document will guide the user through to inspect A26 turbochargers remanufactured by SRC between...
- This document will provide information regarding certain approved S13 and T14 chemicals.
- This document will guide the user through the changes of the dielectric grease/coatings used in certain...
- Certain International® trucks and IC BusTM CE Series buses may have out of date BCM programing that may
- This document will guide the user through parts information and installation instructions for the IMP...
- This document provides instructions for sealing oil leakage past the flywheel bolt holes on S13 engines
- VIN and Incomplete Vehicle Document Label Replacement Procedure
- This document provides guidance for assessing the feasibility of implementing a customer-requested change...
- This article provides step-by-step guidance for troubleshooting issues with Techline Connect software.
- The purpose of
- This document is intended to inform dealers, technicians, parts departments, and customers of a change...
- This document is intended to provide supplemental information for concerns with brake light switches and...
- This article is to walk through and assist the technician in diagnosing and repairing some of the known...
- This document will guide the user through supplemental fuel system diagnostics on 2017 A26 ESN 4500000
- This document provides instructions for the programming changes that will be needed when performing an S13...
- This document will guide the user through troubleshooting steps to submitting a case file for a horsepower...
- New CARB Idle Reduction Change Request
- This tool is designed to compare Diamond Logic feature data across multiple vehicle configuration files
- This document will guide the user through T14 Upper Transmission Harness replacement along with TOSS...
- Engine replacements for all International engines will need to follow this procedure.
- This document will guide the user through a step-by-step procedure for detecting water leaks in vehicle...
- This document provides: Steps to take when switch pack programming fails, or when switch pack disappears...
- In some geographic areas, ambient temperatures reaching below 40°F (4°C), including high levels of...
- This document will guide the user through diagnosing an intermittent shutdown complaint on a 2021 A26...
- This document aims to enable technicians to: 1. Accurately identify S13 engine control systems
- This document will guide the user through understanding Prop Shaft Codes and understanding the variations...
- In some instances, the driver's or passenger's door pod may become unresponsive, where it will not respond...
- In some geographic areas, ambient temperatures reaching below 15°F (-10 °C), including high levels of...
- This document is to notify the field of an issue with BCM that causes various electrical system concerns...
- This document will guide the user through replacement of the two hose clamps at the right rear coolant...
- This document will guide the user through quick diagnostic steps for abnormal or sudden air pressure...
- This document will guide the user through the steps needed to modify the breather tube outlets on S13 engine.
- This article will provide the calibration revision for S13 Integrated EPA 2024 Powertrains
- Title: Service Portal iKNow Feedback Case Types Applies To: All
- Title: Driveline Information Center and Troubleshooting Procedures Applies To: All Vehicles
- Title: Incorrect Software code for Redundant door control Applies To: Vehicles Marked In Service Porta
- Title: A/C Refrigerant and Oil Capacities Applies To: All current models
- Title: Fan belt replacement guidelines for frayed edges Applies To: All Models
- Title: Export Recalibration Process & Emissions Label
- Title: S13 Gear Housing Leak (By The Air Compressor) Applies To: S13 Integrated Powertrain LT RH HX
- Title: Engine Emission Label Replacement, Certificate of Conformance and Clean Idle Sticker Addition...
- Title: Replacing the Crankshaft Gear on S13 Engines
- Title: S13 New Power Steering Tube Support Brackets
- Title: Steering Gear Seal Repair Guidelines Applies To: Steering gears
- Title: How to Request a Horsepower Quote Applies To: All International and Cummins Electronic engines
- Title: Parameters for 16UZL with 16VKW Applies To: Vehicles with both feature codes 16UZL and 16VKW
- Title: Supplemental A26 MAF Fault Diagnostics Applies To: All A26 Engines
- This document reminds technicians of the critical relationship between the truck's suspension and the...
- Switch Pack Programming Troubleshooting Information
- Applies To: All Navistar Powered Trucks Requesting Engine Emission Label Replacement, Certificate of...
- Title: Battery Disconnect Switch Replacement
- Title: Supplemental A26 MAF Fault Diagnostics
- Title: Connecting an Auxiliary APU to the S13 Coolant System
- : A26 Turbochargers remanufactured by SRC between 05/01/2023 and 02/01/2025
- Applies To: Units built 12/20/2022
- This article addresses chassis lean conditions on all chassis
- This document provides instructions for the programming changes that will be need when performing an S13...
- This document will guide users to eliminate the squeaks, rattles or knocking created from the engine hood.
- This document will guide users to setup PTO functionality parameters on the S13/T14 Intergrated Powertrain.
- Guide users through various field repairs for eliminating the squeaks, rattles, knocking of the engine hood
- LT & RH aftertreatment PDM F2 fuse falling out or cracking.
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