2021 International Lonestar technical service bulletins
98 technical service bulletins and manufacturer communications cover the 2021 International Lonestar.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This article provides guidance to dealership personnel, Technical Services personnel, Dealer Service...
- 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- Certain International® trucks and IC BusTM CE Series buses may have out of date BCM programing that may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 provides guidance for assessing the feasibility of implementing a customer-requested change...
- New CARB Idle Reduction Change Request
- This tool is designed to compare Diamond Logic feature data across multiple vehicle configuration files
- 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 will guide the user through understanding Prop Shaft Codes and understanding the variations...
- In some geographic areas, ambient temperatures reaching below 15°F (-10 °C), including high levels of...
- Title: Service Portal iKNow Feedback Case Types Applies To: All
- Title: Driveline Information Center and Troubleshooting Procedures Applies To: All Vehicles
- 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: Engine Emission Label Replacement, Certificate of Conformance and Clean Idle Sticker Addition...
- 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
- This document reminds technicians of the critical relationship between the truck's suspension and the...
- Applies To: All Navistar Powered Trucks Requesting Engine Emission Label Replacement, Certificate of...
- This article addresses chassis lean conditions on all chassis
- This document is to guide users to eliminate brake pedal rattle noise.
- Certain LoneStar may have an intake air filter that does meet quality standards.
- This document covers battery diagnostics, maintenance and storage requirement.
- This document details the procedure that must be followed to ensure proper alternator troubleshooting.
- Suggested alignment target values when performing a vehicle axle alignment.
- Starter Diagnostics and warranty claim procedure; all engines EXCLUDING Cummins ISB engine with Allison...
- J1939 Data Link Source Address Information
- Tire Pressure Monitoring system; Feature Codes 16VLS, 16VUY, 16VVA, 16VVM, or 16VUZ
- Diagnosis of chassis wander complaints.
- General Wheel Speed Sensor Troubleshooting
- How to request a horsepower quote; all International and Cummins engines
- J1939 Data Link Troubleshooting
- Potential A/C Compressor Parts shortage
- Fifth Wheel Unlock
- QLS Emergency Calibration Revert Process
- N2 telematics module not communicating with OCC systems
- Per agreement with EPA and CARB, Cummins, Inc. provided an emergency calibration for Cummins ISB, B6.7,...
- Cummins Programming guide and fault codes285 & 265; only vehicles built with Cummins B6.7, X15, or L9 engines
- Telematics installation guidelines
- Starter diagnostics and warranty claim procedure for all engines and all chassis EXCLUDING vehicles...
- QLS Emergency ECM Calibration; only models equipped with Cummins B6.7, X15, L9, or International A26 engines
- J1939 Data link source address information
- Pico Scope CCOS (Crankcase Separator Test)
- During high electrical demand, the cables that ground the batteries to the vehicle frame can carry the...
- PicoScope Test 5V & 12V Intermittent Open and Short circuit diagnostics
- PicoScope Test
- PicoScope Test for Datalink (CAN) Health Shorts & opens
- PicoScope Test Resistance and Ohmmeter
- PicoScope Wheel Speed Sensor Test
- PicoScope Test One Channel RCT
- Cab Components That Reduce Wheel End Vibration Complaints
- Potential A/C Compressor Parts Shortage
- Side mounted cab extender fins that provide more flexibility during trailer contact.
- Cab water leak trouble shooting tips
- Cab water leak troubleshooting tips; HX with steel cab only
- Water leaks past plastic vapor barrier sheet in the inner cavity of the cab entry door
- Greenhouse Gas Phase 2 Regulatory Compliance Implementation
- QLS Emergency Calibration; Models equipped with 2016 and newer Cummins B6.7, X15 and L9 engines or...
- Power Steering Diagnostics Flow / Pressure Specifications For Power Steering Gears and Power Steering Pumps
- QLS Emergency Calibration; Models with 2016 Cummins ISX, A26 and EPA 2017 and newer Cummins X15, L9, or...
- How to obtain As built parameter list
- New or replacement body control Module (BC,BCM) not detected; Gen 4 BCM
- The ESPAR heater may not function properly because of a constant voltage supply from the BCM to the ESPAR...
- QLS Emergency Calibration
- Engine Oil Capacities
- Snap-On torque wrench requirement for all big bore engine connecting rod bolt(s).
- Cab water leak troubleshooting tips
- Certain International LT, HV and RH Series trucks may have the incorrect EGRV mounting bolts installed.
- General wheel speed sensor troubleshooting
- Aftertreatment Clamp Corrosion; Single Can Aftertreatment Systems
- The battery ground cable may break at the frame connection resulting in loss of electrical power and...
- Day cab roof air deflector causing loud vibration noise at highway speed
- Radio clock changes time automatically; Only vehicles built after March 2020 and excluding CV
- The battery ground cable may break at the frame connection resulting in loss of electrical power and...
- Frame Rail Straightness Inspection Procedure
- Steering Shake, Shimmy, Shudder, Wobble, Steering Vibration; only models built with 14K weight rated axles...
- The air filter elements may debond resulting in dirt entering the engine intake.
- The deaeration tank may leak coolant.
- Programming Procedure for Center Panel Switch Packs
- Fuel Filters, Winter Additives, and Blending Fuels for Cummins® Engines
- Certain vehicles with a manual transmission may need the BCM to be updated for the over-the-air (OTA)...
- Cab Lean Concern
- Dielectric Grease Change
- Driveline Information Center and Troubleshooting Procedures
- The telematics module may not “call home,” resulting in an inability to perform over-the-air programming.
- Repair Procedures for Vehicles Struck by Lightning
- Ambient Air Temperature (AAT) Sensor Faults/Location/Diagnostics
- Programming procedures for the center panel switch packs has changed.
- A/C Refrigerant and Oil Capacities
- Eaton AMT Calibration Update with 2020 Cummins® X15 Engines; only trucks built 02 January 2020 through 02...
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