The worst 2018 International Prostar 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 6
Exterior lighting: back up lights
- What is wrong
- Navistar, Inc. (Navistar) is recalling certain 2000-2003 International 8100, 2001-2003 International 9100i, 2001-2007 International 9400i, 2001-2010 International 9200i, 2002-2007, 2009 International 8500, 2003-2007, 2013 International 9900i, 2003-2018 International 8600, 2004, 2007 International 9900iX, 2008-2018 International ProStar, 2010-2011, 2013, 2016 International LoneStar, 2011-2012, 2016 International 4400, 2017-2024 International LT, 2018-2024 International RH, 2019-2021 International LS, 2019-2024 International MV vehicles. The back-up lights offer low visibility when the vehicle is in reverse and bobtail mode. Also, the vehicles have not been equipped with additional unobstructed back-up lights. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
- Risk
- Low visibility or obstructed back up lights may not alert other drivers that the vehicle is backing up, increasing the risk of a crash.
- Remedy
- Dealers will replace the existing rear stop/turn signal lights, free of charge. Owner notification letters were mailed May 06, 2024. Owners may contact Navistar's customer service at 1‑800‑448‑7825. Navistar's number for this recall is 23514.
Recall number 23V353000 · Recall details
Electrical system: wiring
- What is wrong
- 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.
Recall number 23V248000 · Recall details
Engine and engine cooling: exhaust system: manifold/header/muffler/tail pipe
- What is wrong
- Navistar, Inc. (Navistar) is recalling certain 2016-2020 International LT and 2017-2018 Prostar 73-inch sleeper cab models equipped with feature code 07BKP or 07BKR (exhaust system with horizontal after treatment device and horizontal tailpipe mounted on right side). In the affected vehicles, the rear exhaust hanger bracket may crack, which can cause the forward hanger bracket to also crack. If both brackets crack, the exhaust tail pipe may detach from the vehicle.
- Risk
- If the exhaust tail pipe detaches from the vehicle while being driven, it can become a road hazard, increasing the risk of crash.
- Remedy
- Navistar will notify owners, and dealers will replace the rear exhaust hanger bracket and replace any forward bracket found cracked and any exhaust tailpipe found damaged, free of charge. The recall began April 23, 2019. Owners may contact Navistar customer service at 1‑800‑448‑7825. Navistar's number for this recall is 19501.
Recall number 19V122000 · Recall details
Power train: clutch assembly
- What is wrong
- 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.
Recall number 18V826000 · Recall details
Engine and engine cooling: engine: diesel
- What is wrong
- Navistar, Inc. (Navistar) is recalling certain 2017-2018 International ProStar and 9900i trucks, 2018-2019 International LT trucks, 2017-2019 International LoneStar and HX trucks and 2017 International PayStar trucks, equipped with Cummins ISX15 or X15 diesel engines. In certain driving conditions, such as on a long down-hill grade, the fuel line may burst if the fuel pump cooling circuit screen becomes restricted.
- Risk
- If the fuel line bursts, fuel may leak onto the road resulting in a roadway hazard for other motorists. The engine may also stall without warning, resulting in the vehicle's inability to restart, increasing the risk of a crash.
- Remedy
- Cummins will notify the affected owners and dealers will replace the nylon fuel line with a steel fuel line, free of charge. Navistar issued owners an interim notification on October 11, 2018. The recall began November 21, 2018. Owners may contact Navistar customer service at 1‑800‑448‑7825, or Cummins customer service at 1‑800‑286‑6467.
Recall number 18V588000 · Recall details
Seat belts: front: anchorage
- What is wrong
- 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.
Recall number 18V293000 · Recall details
Technical service bulletins for the 2018 International Prostar 217
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...
- The new clusters in the post-2007 models store the mileage in memory
- This article only applies to Models w/ 0016UZL Built Between 06/23/2014 – 05/11/2020 OR Models w/ 0016UZL...
- This article equips technicians with the knowledge and steps needed to efficiently replace and program...
- 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...
- 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...
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Questions about the 2018 International Prostar
Is the 2018 International Prostar reliable?
Owners have filed 0 complaints about the 2018 International Prostar.
What is the most common problem with the 2018 International Prostar?
There are not enough complaints to tell.
How many recalls does the 2018 International Prostar have?
6 recalls, covering exterior lighting, electrical system and engine and engine cooling.
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