The worst 2015 International Workstar problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 5
Engine and engine cooling: engine: engine control module (ecu/ECM): software
- What is wrong
- 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.
Recall number 20V810000 · Recall details
Visibility: defroster/defogger/HVAC system: fan/motor
- What is wrong
- Navistar, Inc. (Navistar) is recalling certain model year 2011-2015 International DuraStar, ProStar, TranStar and WorkStar, 2012-2015 International TerraStar, 2013-2015 International LoneStar and IC Bus HC, and 2014-2015 IC Bus AC vehicles. A vehicle double battery jump start or electrical load dump event could result in an overvoltage condition of a component within the HVAC system linear power module (LPM) which is used to control the blower speed. The overvoltage condition could result in the overheating and failure of the LPM.
- Risk
- If the LPM overheats and fails, there is an increased risk of a fire.
- Remedy
- Navistar will notify owners, and dealers will replace the LPM with an upgraded one, free of charge. An interim letter was mailed to owners on June 18, 2015. A second notification will mailed when parts become available. The recall began on August 6, 2015. Owners may contact Navistar customer service at 1‑800‑448‑7825. Navistar's number for this recall is 15509.
Recall number 15V241000 · Recall details
Service brakes, air
- What is wrong
- Navistar, Inc. (Navistar) is recalling certain model year 2015-2016 International 9900, DuraStar, LoneStar, PayStar, ProStar, WorkStar and 2015 International TranStar and IC Bus CE vehicles equipped with a Haldex air braking system. The affected brake actuators may have been manufactured with an incomplete attachment of the internal rubber diaphragm to the actuation mechanism. This could cause dragging or overheated brakes.
- Risk
- If the brakes drag and overheat there is an increased risk of a wheel end fire.
- Remedy
- Navistar will notify owners, and dealers will replace the Haldex Life Seal Brake chambers, free of charge. The recall began on June 19, 2015. Owners may contact Navistar customer service at 1‑800‑448‑7825. Navistar's number for this recall is 15504. Note: This recall supersedes recall 14V‑806.
Recall number 15V165000 · Recall details
Exterior lighting: headlights
- What is wrong
- Navistar, Inc. (Navistar) is recalling certain model year 2013-2015 International WorkStar vehicles manufactured March 16, 2012, to October 1, 2014. In the affected vehicles, the headlight low beam and ground circuits may have been reversed at the headlight connector resulting in reduced light output. As such, these vehicles fail to comply with Federal Motor Vehicle Safety Standard (FMVSS) No. 108, "Lamps, Reflective Devices, and Associated Equipment."
- Risk
- Reduced light output may impair the driver's vision, increasing the risk of a crash.
- Remedy
- Navistar will notify owners, and dealers will correct the wiring in headlight harness connector, free of charge. The recall began on December 29, 2014. Owners may contact Navistar customer service at 1‑800‑448‑7825. Navistar's number for this recall is 14525.
Recall number 14V807000 · Recall details
Service brakes, air: disc: caliper
- What is wrong
- Navistar, Inc. (Navistar) is recalling certain model year 2013-2015 International DuraStar vehicles manufactured November 2012 through December 2013, International WorkStar vehicles manufactured December 2012 through January 2014, and 2014-2015 International TranStar and International ProStar vehicles manufactured January 2013 through February 2014. The affected vehicles are built with air disc brake feature codes 04WEY, 04WEZ, or 04WZK. These vehicles may have an incorrect number of bolts mounting the brake caliper to the caliper mounting plate and some of the bolts may be improperly torqued.
- Risk
- If the air disk brake caliper has loose or missing bolts, the air disk brake caliper may come loose from the mounting plate causing the vehicle to pull left or right while braking and lengthening the distance needed to stop, increasing the risk of a crash.
- Remedy
- Navistar will notify owners, and dealers will replace any missing bolts and check the torque of all of the air disk brake caliper bolts, free of charge. The recall began on May 7, 2014. Owners may contact Navistar customer service at 1‑800‑448‑7825. Navistar's number for this recall is 14508.
Recall number 14V201000 · Recall details
Technical service bulletins for the 2015 International Workstar 255
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...
Compare the 2015 International Workstar
Other model years
Questions about the 2015 International Workstar
Is the 2015 International Workstar reliable?
Owners have filed 0 complaints about the 2015 International Workstar.
What is the most common problem with the 2015 International Workstar?
There are not enough complaints to tell.
How many recalls does the 2015 International Workstar have?
5 recalls, covering engine and engine cooling, visibility and service brakes, air.
VIN decoder
See the problems and recalls for an exact car
Buying a used 2015 International Workstar?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history