2018 International Workstar recalls

• Heater And Defroster#2023212April 6, 2023

  3,134 units affected

  Issue: On certain trucks, a wire terminal for the blower motor circuit breaker in the power distribution module (PDM) could overheat and melt. Safety Risk: Wiring that overheats and melts can create the risk of a fire. Corrective Actions: Navistar will notify owners by mail and instruct you to take your truck to a dealership to replace the blower motor wiring terminal in the PDM. The dealership will also inspect and, if necessary, replace the fuse block.

• Fuel System#2021300May 19, 2021

  173 units affected

  Issue: On certain trucks, the fuel rail assembly could develop a leak. Note: This recall only affects trucks equipped with a Cummins L9 or ISX12 diesel engine. Safety Risk: A fuel leak can create the risk of a fire. Corrective Actions: Cummins will notify owners by mail and instruct you to take your truck to a Cummins authorized service center to inspect the fuel rail. If damage is found, the fuel rail and fuel lines will be replaced. If no damage is found, the fuel rail will be reassembled with new crush washers.

• Powertrain#2020643December 23, 2020

  3,178 units affected

  Issue: On certain trucks equipped with an automatic transmission, when the engine RPM increases for the stationary power take off (PTO), it can overcome the parking brake if the transmission is in drive or reverse gear. As a result, the truck may move suddenly. Safety Risk: Sudden and unexpected movement of the truck could increase the risk of a crash. Corrective Actions: The company will notify owners by mail and instruct you to take your truck to a dealer to update the engine control module software to enable the PTO neutral interlock.

• Fuel System#2020163April 16, 2020

  1,411 units affected

  Issue: On certain vehicles equipped with a Cummins B6.7 diesel engine, the electric fuel heater could overheat and melt. Note: This recall replaces Transport Canada recall 2019-148. Vehicles that were repaired under that recall also require this repair. Safety Risk: A fuel heater that overheats could create the risk of a fire. This could also cause the engine to stall, increasing the risk of a crash. Corrective Actions: Cummins will notify owners by mail and instruct you to take your vehicle to a Cummins authorized service center to disable the fuel heater. The fuel heater will be replaced by installing a plug in its place. Additionally, the fuse supplying electrical power to the fuel heater will be removed and a cover will also be installed over the wire harness connector.

• Powertrain#2019592November 21, 2019

  1,806 units affected

  Issue: On certain trucks equipped with an automatic transmission, when the engine RPM increases for the stationary power take off (PTO), it can overcome the parking brake if the transmission is in drive or reverse gear. As a result, the truck may move suddenly. Safety Risk: Sudden and unexpected movement of the truck could increase the risk of a crash. Corrective Actions: The company will notify owners by mail and instruct you to take your truck to a dealer to update the engine control module software to enable the PTO neutral interlock.

• Fuel System#2019148March 20, 2019

  1,209 units affected

  Note: This recall is replaced by recall 2020-163. <a href="http://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/detail.aspx?lang=eng&rn=2020163">Please click here for more information</a>. Issue: On certain vehicles equipped with a Cummins B6.7 diesel engine, the electric fuel heater could overheat and melt. Safety Risk: A fuel heater that overheats could create the risk of a fire. This could also cause the engine to stall, increasing the risk of a crash. Corrective Actions: Cummins will notify owners by mail and instruct them to take their vehicle to a Cummins service location to install a new fuel heater and correct the wiring to the fuel heater. Additionally, the fuel heater fuse will be changed to a 30 amp fuse, and the fuse size information in the owner’s manual will be updated.

• Powertrain#2018638November 20, 2018

  2,856 units affected

  On certain vehicles equipped with an electronic clutch actuator (ECA), the clutch may have been manufactured improperly and could fail. If this occurs, the broken clutch components could prevent the transmission from disengaging or shifting to neutral. This could result in unintended vehicle movement, even if the parking brake is applied, increasing the risk of a crash causing injury and/or damage to property. Correction: Dealers will recalibrate the Transmission Control Module (TCM).

• Seats And Restraints#2018232May 3, 2018

  2,093 units affected

  On certain vehicles, the seat belt D-ring mounting bolts may break due to a material defect. If this occurs, the seat belt may not properly restrain the seat occupant in a crash, increasing the risk of injury. Correction: Dealers will inspect the driver and passenger D-ring mounting bolts and replace them as necessary.

Canadian data updated August 24, 2026

• ELECTRICAL SYSTEM:WIRING#23V248000April 6, 2023

  Navistar, Inc. (Navistar) is recalling certain 2016-2017 International TranStar, 2017-2019 International ProStar, International LoneStar, 2017-2020 International DuraStar, WorkStar, and 2018-2019 IC Bus HC Commercial buses. The heating, ventilation, and air-conditioning (HVAC) blower motor circuit may have an insufficient wiring terminal that can overheat.

  Risk: An overheated electrical circuit can increase the risk of a fire.

  Remedy: Dealers will replace the HVAC blower motor load circuit wiring terminal, free of charge. Owner notification letters are expected to be mailed June 5, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23510.

• FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL#21V366000May 19, 2021

  Navistar, Inc. (Navistar) is recalling certain 2018-2019 International WorkStar, International DuraStar, 2019-2021 International HV, International MV, and IC Bus RE Commercial Bus vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.

  Risk: A fuel leak in the presence of an ignition source increases the risk of a fire.

  Remedy: Dealers will inspect the rail threads, and replace the rail as necessary, free of charge. Owner notification letters were mailed on June 21, 2021. Owners may contact Navistar customer service at 1-800-448-7825.

• ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE#20V810000December 23, 2020

  Navistar, Inc. (Navistar) is recalling certain 2019-2021 International MV, 2020-2021 International HV, 2014-2020 International DuraStar and 2015-2018 International WorkStar vehicles. When the parking brake is applied and the automatic transmission is still in the drive or reverse position and the stationary PTO switch is engaged by the operator, the engine may rev and overcome the parking brake's ability to keep the vehicle from moving.

  Risk: Unexpected Vehicle movement can increase the risk of a crash or injury.

  Remedy: Navistar will notify owners, and dealers will update the parameters in the Cummins ECM for feature codes 12VXT or 12VXU that enables the PTO neutral interlock, free of charge. The recall began February 17, 2021. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 20510.

• FUEL SYSTEM, DIESEL: PRE-HEATER#20V219000April 17, 2020

  Navistar, Inc. (Navistar) is recalling certain 2017-2020 International WorkStar and International DuraStar, 2018-2019 IC 1300 FBC Commercial and IC HC Commercial, 2018-2021 IC CE Commercial, International MV and International HV, and 2019-2021 IC TC Commercial buses with Cummins B6.7 diesel engines with a fuel module option number FS90301 or FS90453. The electric fuel heater within the fuel module may overheat and cause plastic in the fuel heater to melt and potentially catch fire. It may also lead to engine stalling.

  Risk: A fire increases the risk of injury. An engine stall can increase the risk of a crash.

  Remedy: Cummins will notify the affected Navistar customers and dealers will disable the fuel heater by either installing a plug in place of the heater or otherwise rendering the fuel heater inoperable and removing the fuse supplying electrical power to the fuel heater and installing a cover over the wire harness connector, free of charge. The recall began May 28, 2020. Owners may contact Cummins customer service at 1-800-286-6467.

• ENGINE#19V841000November 21, 2019

  Navistar, Inc. (Navistar) is recalling certain 2019-2020 International MV and HV, 2018-2020 Workstar, and 2018-2019 Durastar vehicles equipped with feature codes 12VXT and 12VXU. With the parking brake applied and the automatic transmission in the 'Drive' or 'Reverse' position, when the stationary PTO switch is engaged by the operator, the engine RPM will ramp up and may overcome the parking brake's ability to hold the vehicle.

  Risk: Unintended vehicle movement increases the risk of a crash.

  Remedy: Navistar will notify owners, and dealers will update the Engine Control Module to enable the PTO neutral interlock, free of charge. The recall began January 16, 2020. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 19518.

• EXTERIOR LIGHTING:BRAKE LIGHTS#19V239000March 26, 2019

  Custom Fab & Body LLC (Custom Fab & Body) is recalling certain 2018 Ford F-650 XLT Crew Cab, 2017-2018 International 7500 4x4, and 2018 International 7500 4x2, Freightliner M2-112 and M2-106, and Kenworth T-370-based emergency vehicles equipped with Whelen brake lights. Depending on the specific wiring of the vehicle, these brake lights may illuminate when the brake pedal has not been pressed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."

  Risk: If the brake lights incorrectly illuminate, it can confuse other drivers, possibly increasing the risk of a crash.

  Remedy: Custom Fab & Body has notified owners, instructing them to contact Whelen for replacement lights, free of charge. The recall began April 11, 2019. Owners may contact Whelen customer service at 1-860-526-9504.

• FUEL SYSTEM, DIESEL: PRE-HEATER#19V216000March 20, 2019

  Navistar, Inc. (Navistar) is recalling certain 2017-2020 International DuraStar and WorkStar, 2018-2020 IC Bus CECB, International HV and MV, 2018-2019 IC Bus 1300 FBC and HCCB, and 2019-2020 IC Bus TCCB vehicles equipped with Cummins B6.7 diesel engines with fuel module option number FS90301 or FS90453. The electric fuel heater within the fuel module may overheat and cause plastic in the fuel heater to melt and potentially catch fire. It may also lead to engine stalling.

  Risk: A fire increases the risk of injury. An engine stall can increase the risk of crash.

  Remedy: Cummins will notify the affected Navistar owners. Cummins dealers will replace the fuel heater with a newly designed fuel heater, free of charge. The recall began May 2, 2019. Owners may contact Cummins customer service at 1-800-286-6467 or Navistar customer service at 1-800-448-7825.

• POWER TRAIN:CLUTCH ASSEMBLY#18V826000November 21, 2018

  Navistar, Inc. (Navistar) is recalling certain 2019 International HV, MV, 2018-2019 HX, LT, RH, LoneStar, ProStar, WorkStar, and 2018 TranStar automated manual transmission vehicles, equipped with certain Eaton ECA heavy-duty truck clutches. An internal component in the clutch assembly may fail, possibly resulting in unintended vehicle movement.

  Risk: Unintended vehicle movement can increase the risk of a crash.

  Remedy: Navistar will notify owners, and dealers will recalibrate the Transmission Control Module (TCM), free of charge. The recall began January 18, 2019. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 18518.

• SEAT BELTS:FRONT:ANCHORAGE#18V293000May 3, 2018

  Navistar, Inc. (Navistar) is recalling certain 2018-2019 International WorkStar, DuraStar, LoneStar, LT, ProStar, RH and IC Bus HC, 2018 International TranStar, 2019 International HV and MV trucks and transit buses. The front driver and passenger seat belt anchor D-ring bolt may break in the event of a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 210, "Seat Belt Assembly Anchorages."

  Risk: If the D-ring bolt breaks during a crash, the seat occupant may not be properly restrained, increasing their risk of injury.

  Remedy: Navistar has notified owners, and dealers will replace the D-ring bolt depending on the information found on the seat belt label, free of charge. The recall began May 23, 2018. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 18505.