2015 International Workstar technical service bulletins
255 technical service bulletins and manufacturer communications cover the 2015 International Workstar.
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 aims to enable technicians to: 1. Accurately identify third generation MaxxForce medium duty...
- This article describes how to fix a speedometer that does not read accurately
- This article only applies to Models w/ 0016UZL Built Between 06/23/2014 – 05/11/2020 OR Models w/ 0016UZL...
- New CARB Idle Reduction Change Request
- This tool is designed to compare Diamond Logic feature data across multiple vehicle configuration files
- This document provides guidance for assessing the feasibility of implementing a customer-requested change...
- This article is intended to provide information for how to program International Engines that have been...
- 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...
- 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 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
- Rebuilding Cylinder Heads on Certain MaxxForce 11/13, N13, and A26 engines; 2010 to present.
- Diagnosis of chassis wander complaints.
- General Wheel Speed Sensor Troubleshooting
- Cummins B6.7 Grid Heater Relay
- Certain International® N13 engines may be noncompliant to the required On Board Diagnostics (OBD) Monitor,...
- How to request a horsepower quote; all International and Cummins engines
- J1939 Data Link Troubleshooting
- Snap-On torque wrench requirement for all big bore engine connecting rod bolts; A26, MaxxForce 13, N13 engines
- New air compressor incorporates an oil feed dowel O-ring
- New Air compressor Incorporates an oil feed dowel O-ring; only models built with MaxxForce 11/13, N13, or...
- Cummins Programming guide and fault codes285 & 265; only vehicles built with Cummins B6.7, X15, or L9 engines
- Starter diagnostics and warranty claim procedure for all engines and all chassis EXCLUDING vehicles...
- Rebuilding cylinder heads on certain EPA 2010 MaxxForce 11/13, N13, and A26 Engines
- Rebuilding Cylinder Heads on Certain International MaxxForce 11/13 engines and all International N13 and...
- J1939 Data link source address information
- Turbocharger oil supply tube retrofit; only models with 2010 emissions MaxxForce 11 and 13 engines and N13...
- Pico Scope CCOS (Crankcase Separator Test)
- PicoScope Test 5V & 12V Intermittent Open and Short circuit diagnostics
- PicoScope Test 12V Electrical Noise Detection
- 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
- Front cab mount bushings/insulators MV, HV, DuraStar, and WorkStar vehicles used in severe vocations
- Cab water leak troubleshooting tips; HX with steel cab only
- High Pressure Fuel Pump external leaks from weep hole
- Dual Drive Cab Throttle Position Harness for APS/IVS throttle pedals; only models with both left hand and...
- Power Steering Diagnostics Flow / Pressure Specifications For Power Steering Gears and Power Steering Pumps
- Bendix Stability control
- How to obtain As built parameter list
- New or replacement body control Module (BC,BCM) not detected; Gen 4 BCM
- Engine Oil Capacities
- Oil leaks at the Bottom of the Oil Filter Module; Only International A26, N13, or 2010 and newer 11 and 13...
- Snap-On torque wrench requirement for all big bore engine connecting rod bolt(s).
- Cab water leak troubleshooting tips
- General wheel speed sensor troubleshooting
- Aftertreatment Clamp Corrosion; Single Can Aftertreatment Systems
- Day cab roof air deflector causing loud vibration noise at highway speed
- Frame Rail Straightness Inspection Procedure
- Suggested alignment target values when performing a vehicle axle alignment
- A26, N13, and 2010 EPA MaxxForce 11 and 13 engine Auxiliary Programable Parameters
- On certain trucks equipped with an automatic transmission, if the automatic transmission is still in drive...
- Fuel Filters, Winter Additives, and Blending Fuels for Cummins® Engines
- Cab Lean Concern
- Driveline Information Center and Troubleshooting Procedures
- Repair Procedures for Vehicles Struck by Lightning
- Ambient Air Temperature (AAT) Sensor Faults/Location/Diagnostics
- A/C Refrigerant and Oil Capacities
- Radio Diagnostics and Information
- 5 gallon SSI DEF level sensor/ multifunction head unit retrofit; only 2014 and 2015 models year built with...
- Cleaning and Disinfecting Trucks and Buses
- Bendix EC80 Blank Module Replacement Program;
- Power Distribution Center (PDC) Replacement; 7000 (Workstar) Model Series with Allison or Manual Transmissions
- Stand Alone Real Time (SART) Module Diagnostics
- WorkStar Hybrid Mount to Pad Mount A/C Compressor Retrofit
- Wind noise at upper side of cab door due to door out of alignment
- NEW Ultrasonic DEF Head Unit; All SCR vehicles
- WorkStar Hybrid Mount to Pad Mount A/C Compressor Retrofit; only models with Cummins ISB 6.7 engine
- Oil Capacities; All Electronic International Engines 1994
- Suspension Lean Diagnostics; All models
- SCR Vehicles Setting DEF Quality Faults due to Crossed DEF Tank Coolant Lines or Inverted DEFTHV
- NEW Ultrasonic DEF Head Unit available; Only models equipped with SCR Aftertreatment.
- Voltage gauge drops on cold engine start-up; Only models built with Cummins ISB, B6.7, ISL, or L9 engines
- NEW Ultrasonic DEF Head Unit; Only vehicles Equipped with SCR
- The First Check to make when Troubleshooting any Body Controller or ESC Issue
- Bendix SmartWave SmarTire Pressure Maintenance System TPMS
- Cab Water Leak Troubleshooting Tips; Excluding 9000i, PayStar(HX), CityStar, or LoadStar
- NEW Ultrasonic DEF Head Unit; only models equipped with SCR Aftertreatment
- Engine Emission Label Replacement, Certificate of Conformance and Clean Idle Sticker Addition Procedure
- Wind noise at upper side of cab door
- NEW Ultrasonic DEF Head Unit
- ISB Starting System Diagnostics; Only models built with cummins ISB engines
- Brake Lights Staying On
- Programing New Key Fobs
- Dual steering gear air bleed procedure
- Vehicle Speed ( VSS ) Output for Bodybuilders
- Air Pressure Gauges and A/C Pressure Transducer Troubleshooting
- FLR-10
- Steering Noise in Vehicles Equipped with Dual Steer
- Repair Information for Damaged Headlight Connector
- Tool Instruction
- Engine Oil Capacities All Electronic International Engines 1994
- Cummins Programming Guide and Cummins 285 Fault Code; Only pre-2007 models built with Cummins ISM Engine
- Engine Emission Label Replacement, Certificate of Conformance and Clean Idle Sticker Addition Procedure;...
- Updating OnCommand Link with Accelerator
- ISX, N13, and N9 / N10 Aftertreatment Private Data Link Troubleshooting
- Winter Front Usage
- Engine Oil Capacities
- OnCommand EZ-Tech
- Transmission Cooler Line Routing; Only models built Prior to November 29, 2017 with Cummins ISL engine
- Using Supplier Software to Check DTCs
- Cracked Windshields on Units Equipped With Feature 595AMP
- Cummins Engine Remote Engine Speed Control; only with feature code12XAT or 12XBM
- Trailer Auxiliary Switch Lamp Burning Out; Only Vehicles Equipped with Feature Code 0008TTH or 0008THG
- NEW Ultrasonic DEF Tank Sending Unit; only models with SCR Aftertreatment system.
- Urea Quality Sensor (UQS) Supplemental Diagnostic and Service Information; only models with SCR...
- HVAC fault 2609-19 with 4th Gen BCM; Only models equipped with 4th generation BCM
- Steering Noise in Vehicles Equipped with Dual Steer; Only models equipped with dual steering gear
- HVAC line rub; only models equipped with Cummins ISB series engines and stationary grille feature code 009HBM
- The retaining nut securing the turbocharger oil supply line may not be tightened to its specified torque.
- Dealer EZ-Tech and Diagnostic Software Support Resource Center
- CPA Injector Misfire Detection; Only models with 2004 thru 2017 International engines.
- OnCommand EZTech
- SCR Vehicles Setting 3363-16 (FC1713) due to Crossed DEF Tank Coolant Lines or Inverted DEFTHV
- Cylinder Performance Analyzer (CPA) Resource Center; Only models with 2004 thru 2017 International engines.
- OnCommand EZ-Tech Download Center
- Engine software On Board Diagnostic (OBD) issues will be corrected which will aid in engine malfunction...
- Steering Shake, Shimmy, Shudder, or Steering Vibration; only with 14k front weight rated axles and below
- Steering Fluids
- 2630-16 cacot
- Cooling System Flush Procedure
- 2630-16 cacot
- J1939 Data Link Troubleshooting; Only Models with 250k Baud Data Link (Black 9 Pin Diagnostic Connector)
- To Get A Helios Capture; All 1939 and 1708 multiplexed trucks only
- Power window binding
- Radiator internal restriction and flush procedure
- Power Window Binding
- Wind noise at upper side door
- Air Conditioning Electrical Diagnostics
- 2010 and Newer Vehicle Air Conditioning Diagnostics (Start Here)
- Adding an Electronic Trailer Brake Controller
- Performing relative compression test and misfire test with cpa tool
- Misfire diagnostics ibb; SPN132(X)
- EGR slow response diagnostics; 2659
- All heavy platform power steering fluid production change
- Davco fuel pro 382 technical manual, installation, diagnostics, and service
- Workstar upper radiator hose update
- Exhaust manifold service procedures
- Service parts damaged new turbocharger oil supply tube
- New steering shaft hex bolt
- Power Distribution Center (PDC) Replacement
- Windows Stop Randomly or are Inoperative, Power Door Locks are inoperative
- Updated Snow Valve Motor and Harness Installation Procedure
- Applying Snow Valve Advanced Logic
- Ground Splice 6747 Causing Multiple Fault Codes
- Cummins ISB Engine Remote Engine Speed Control with Feature 12XAT
- Change in Seat Belt Manufacturer
- Standard to Heavy Duty Brake Chamber Replacement
- Fan Shroud ring seal may be damaged by the fan during vehicle articulation
- Mirror Repair Procedures and Replacement Parts Availability
- Vehicles equipped with an air intake snow valve may have incorrect programming in the body controller
- Dash Cluster Lamp Operation, Functions and Regeneration Instructions, With International engines
- Lt EGR
- Front Blower Motor Runs Breifly At Initial Power Up
- A jump start or electrical load dump event could result in an overvoltage condition of the cab Linear...
- Navistar: various types navistar vehicles will be receiving updates on the rear s cam tube/ bracket parts
- Rear S Cam Tube / Bracket part update
- N13, MaxxForce 11, 13 engine Two Cylinder Air Compressor Testing
- Coolant loss and illuminating amber resulting from radiator inlet hose possibly separating from the...
- HVAC faults 520211 and 520465
- Eaton Clutch Information
- DPF Snap Accel Test
- A diaphragm in the spring brake chamber may not be seated fully into the pressure plate and may
- Vehicle Air Conditioning Diagnostics (Start Here)
- Transmissions controller for speed; feature code and application code that identifies torque control...
- Air Conditioning Mechanical Pressures Diagnostics
- Condition where the lower CAC inlet hose clamp is rubbing against the hood when closed.
- Dual Fuel Tank Transfer Pump System With Two Wire Pump Troubleshooting; equipped with feature 595192 built...
- Dual Fuel Tank Transfer Pump Troubleshooting on Post-2007 NGV and ProStar
- Recalibration of the Electronic Control Module (ECM). This will prevent the possibility of damage to an...
- Fuel Filters, Winter Additives, and Blending Fuels for Cummins ISX Engines
- 04SPL, mcac 476
- Davco Fuel Filter Replacements Recommendation for Maxx Force 11 and 13, 2010 Engines
- Emergency vehicle calibration will reduce the engine exhaust soot levels that enter the aftertreatment...
- TSB contains an owner's notification letter
- Air pressure gauges and a/c pressure transducer troubleshooting
- Certain workstar models with feature code 0508028 headlights in bumper option and manufactured with head...
- 2010 and newer vehicle air conditioning diagnostics (start here)
- Mirror repair procedures and replacement parts availability
- Air conditioning mechanical pressures diagnostics
- Cluster Software Update Instructions
- Radio diagnostics and information
- Navistar: diesel exhaust fluid (DEF) will freeze inside purge pump due to aftertreatment control module...
- Vehicles equipped with a battery disconnect switch might encounter an issue where the diesel exhaust fluid...
- Navistar: information provided regarding the inspection of starter cable routing on some trucks, with...
- Inspect starter cable routing; only with N13 SCR engines.
- Emissions recall; ECM software update; the recalibration will reduce incorrect fault codes and prevent...
- High or spiking voltage only with leece-neville alternator using remote voltage sense
- Horn Sounds On Its Own While Vehicle Parked
- A new calibration has been made available for emergency vehicles that prevents the possibility of engine...
- The mounting bolts that fasten the air disc brake caliper to the caliper anchor plate may have not been...
- Transmission Upshifting too Fast; Only with Allison Gen 4 LCT (1000 and 2000 series) Transmission
- Transmission Control Module Relocation; only with Allison WT Gen 3 Transmission
- Front Steer Axle U-bolt Washer Replacement
- ECM Recalibration; This will reduce false positive fault codes and frequent aftertreatment regeneration lights
- Navistar: some vehicles are experiencing headlight condensation or frost in the vehicles
- Body Controller Resource Center
- Headlight Operation and Troubleshooting; only Post 2007 Vehicles Built with a Body Controller
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