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2011 International Prostar problems

The most common problem on the 2011 International Prostar is acceleration and speed control. Its complaint count is close to a typical Prostar model year.

Typical yearClose to a typical year
Owner complaints
4
Recalls
15
Service bulletins
492
Worst area
Acceleration

The worst 2011 International Prostar problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

  • Acceleration
    1
  • Brakes
    1
  • Driver assistance
    1
  • Engine
    1
  • Suspension
    1

Problems by type

Tap a problem to see which part fails, at what mileage and in which other years.

  • Acceleration
    1
  • Brakes
    1
  • Driver assistance
    1
  • Engine
    1
  • Suspension
    1
  • Wheels
    1

Recalls 15

Exterior lighting: back up lightsReported May 18, 2023 · 32,880 vehicles affected
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

Trailer hitches: fifth wheel assemblyReported September 29, 2015 · 3,776 vehicles affected
What is wrong
Navistar, Inc. (Navistar) is recalling certain model year 2011-2014 International ProStar trucks manufactured May 18, 2010, to April 5, 2013, 2012-2014 International LoneStar trucks manufactured September 7, 2011, to March 25, 2013, and 2011-2013 International TranStar trucks manufactured October 18, 2010, to February 20, 2013. The affected trucks are equipped with Fontaine Ultra LT Fifth Wheel connectors, which, due to cumulative damage to the fifth wheel and its locking mechanism, have a locking mechanism that may fail to operate or to properly engage.
Risk
If the fifth wheel and locking mechanism are sufficiently damaged, the locking mechanism may fail to operate as intended and the trailer may unexpectedly detach from the tractor, increasing the risk of a crash.
Remedy
Navistar will notify owners, and Fontaine dealers will replace the fifth wheel with an Ultra NT model fifth wheel, free of charge. The recall began on November 18, 2015. Owners may contact Navistar customer service at 1‑800‑448‑7825, or Fontaine customer service at 1‑844‑597‑7393.

Recall number 15V607000 · Recall details

Visibility: defroster/defogger/HVAC system: fan/motorReported April 22, 2015 · 82,736 vehicles affected
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

Electrical systemReported October 31, 2014 · 18,798 vehicles affected
What is wrong
Navistar, Inc. (Navistar) is recalling certain model year 2010-2015 International Lonestar vehicles manufactured October 12, 2009, to June 16, 2014, and 2009-2015 International ProStar vehicles manufactured December 16, 2008, to June 20, 2014. In the affected vehicles the electrical harness that supplies power to the HVAC system may not be of sufficient size for the electrical load of the circuit. This can result in an increase in resistance and heating at the connectors.
Risk
An increase in resistance and heating at the connectors could cause a vehicle fire.
Remedy
Navistar will notify owners, and dealers will replace the 60 amp relay and battery harness with a 150 amp relay and battery harness, free of charge. Navistar issued an interim notification to owners on December 29, 2014. The recall began on March 2, 2015. Owners may contact Navistar customer service at 1‑331‑332‑1590. Navistar's number for this recall is 14516.

Recall number 14V688000 · Recall details

EquipmentReported September 18, 2013 · 16,107 vehicles affected
What is wrong
Navistar, Inc. is recalling certain model year 2008-2013 International LoneStar, ProStar, and TranStar trucks manufactured February 20, 2008, through July 29, 2013 and equipped with an electronic fifth wheel jaw release system (feature code 0595BAW or 0595BAY). Due to an assembly error, the air lines at the isolation/vent valve may not be oriented correctly.
Risk
Because of the improper orientation, in the event of an air leakage at the isolation/vent valve, the 5th wheel jaw may release, unexpectedly releasing the trailer from the tractor, increasing the risk of a vehicle crash.
Remedy
Navistar will notify owners, and dealers will inspect the air line routing. If necessary, the air line routing will be corrected free of charge. The recall began on October 10, 2013. Owners may contact Navistar at 1‑331‑332‑1590. Navistar's recall number is 13514.

Recall number 13V439000 · Recall details

VisibilityReported April 17, 2013 · 14,720 vehicles affected
What is wrong
Navistar is recalling certain model year 2011-2012 International Lonestar, model year 2012-2013 International Terrastar and model year 2011-2013 International DuraStar, ProStar, TranStar, and WorkStar commercial trucks manufactured from June 1, 2010, through March 7, 2012 and equipped with day cab codes 16CAB, 16030, or 16196 and feature codes 16WCE, 16WCR, 16XWD, 16XWE, 16XWV, 16XXB, 16XXD, 16XXE, 16XXG, or 16XYN sun shades. The sun shade may not be properly secured to the cab roof panel which may result in partial or full separation of the sun shade from the roof panel.
Risk
If the sun shade separates from the cab roof during vehicle operation, the sudden release of the sun shade could distract the driver increasing the risk of a crash.
Remedy
Navistar will notify owners, and dealers will inspect and strengthen the sun shade mounting, free of charge. The safety recall began on September 10, 2013. Owners may contact Navistar at 1‑800‑448‑7825. Navistar's campaign number is 13505.

Recall number 13V146000 · Recall details

Parking brake: driveline: air: chamberReported September 20, 2012 · 559 vehicles affected
What is wrong
Navistar is recalling certain model year 2013 International 8600, 2012 and 2013 Durastar, 2011-2013 ProStar, and 2012 WorkStar trucks, manufactured from November 23, 2010, through April 02, 2012, and equipped with piston spring brake feature code 04EVP. The piston bore area of the parking brake chamber may have an air leak could result in the parking brake not fully releasing.
Risk
If the parking brake does not fully release, the service brakes may lock up without warning, increasing the risk of a crash.
Remedy
Navistar will notify owners, and dealers will replace the spring brake chamber free of charge. The safety recall began on November 6, 2012. Owners may contact Navistar at 1‑331‑332‑1590.

Recall number 12V465000 · Recall details

Electrical system: alternator/generator/regulatorReported May 2, 2012 · 19,264 vehicles affected
What is wrong
Navistar is recalling certain model year 2010 through 2013 paystar, workstar, transtar, and prostar, and model year 2012 and 2013 lonestar commercial trucks manufactured from june 1, 2009, through april 4, 2012, equipped with a maxxforce 11 or 13 engine (feature code 12uxj or 12uxh) and with bosch alternator feature codes 08ggn, 08ggr, 08ghg, or 08ghh. The alternator cable may rub on the high pressure power steering hose, possibly chafing its insulation and causing an electrical short.
Risk
An electrical short may cause a vehicle fire possibly resulting in property damage, personal injury, or death.
Remedy
Navistar will install a standoff bracket and improve harness routing to better route the alternator wires away from the power steering hose. The safety recall began on july 16, 2012. Owners may contact navistar at 1‑800‑448‑7825.

Recall number 12V196000 · Recall details

Service brakes, air: supply: check valveReported February 13, 2012 · 17,867 vehicles affected
What is wrong
Navistar is recalling certain model year 2012-2013 ic bus ce-c, hc, and international 9400 and certain model year 2011 through 2013 international durastar, paystar, workstar, transtar, lonestar, prostar, 9200, and 9800, and certain model year 2013 international 9900, vehicles, manufactured from december 2, 2010, through january 26, 2012, and equipped with bendix atr-6 traction relay valves. In extremely cold conditions, these bendix relay valves may potentially develop internal leakage. Internal leakage can lead to air pressure being delivered to affected primary or secondary brakes causing continuous brake application.
Risk
Unexpected continuous brake application can cause the brakes to overheat and lead to a fire. Unexpected continuous brake application can cause the driver to lose control of the vehicle, increasing the risk of a crash. Also, the brakes may be applied without illuminating the brake lights, failing to give proper warning to other drivers.
Remedy
Navistar will notify owners, and dealers will provide a temporary repair until bendix develops a permanent remedy. This service will be performed free of charge. The safety recall began on april 10, 2012. Owners may contact navistar at 1‑800‑448‑7825.

Recall number 12V052000 · Recall details

Electrical system: alternator/generator/regulatorReported August 17, 2011 · 5,663 vehicles affected
What is wrong
Navistar is recalling certain model year 2010-2012 paystar, workstar, transtar, and prostar commercial trucks manufactured from june 1, 2009, through may 31, 2011, equipped with a maxxforce 11 or 13 engine (feature code 12uxj or 12uxh) and with alternator feature code 08ggn, 08ggr, 08 ghg, or 08ghh. The alternator cable may rub on the high pressure power steering hose, possibly chafing its insulation and causing an electrical short.
Risk
An electrical short may cause a vehicle fire possibly resulting in property damage, personal injury, or death.
Remedy
Navistar will install a bracket to route the wires away from the power steering hose. Navistar did not provide an expected start date for the recall, but an interim notice will be mailed to owners if parts will not be available until after october 14, 2011. Owners may contact navistar at 1‑800‑448‑7825. This recall campaign has been superseded by 12v‑196.

Recall number 11V426000 · Recall details

Service brakes, air: antilock: control unit/moduleReported April 19, 2011 · 2,543 vehicles affected
What is wrong
Navistar is recall certain model year 2011 and 2012 international durastar, paystar, workstar, transtar, lonestar and prostar commercial trucks manufactured from november 5, 2010, through march 10, 2011, for failing to comply with federal motor vehicle safety standard no. 121, "air brake systems (ABS)." the trailer ABS fault indicator lamp in the instrument cluster will not illuminate due to a programming or hardware issue with the brake system electronic control unit.
Risk
An inoperable trailer ABS fault indicator may prevent the driver from being aware of a trailer ABS fault condition thereby possibly increasing the risk of a crash potentially resulting in property damage, personal injury, or death.
Remedy
Navistar will notify owners. Dealers will reprogram or replace the brake system electronic control unit free of charge. The safety recall began on may 12, 2011. Owners may contact navistar at 1‑800‑448‑7825.

Recall number 11V252000 · Recall details

Power train: driveline: center support bearingReported December 20, 2010 · 421 vehicles affected
What is wrong
Navistar is recalling certain model year 2011 international prostar commercial trucks manufactured from september 22, 2010, through december 3, 2010, equipped with driveline feature code 06wak. The rubber isolator material that holds the driveline center bearing in the mounting bracket may deteriorate due to an incorrect mounting location possibly resulting in driveline separation without warning.
Risk
Driveline separation may cause a crash possibly resulting in property damage, personal injury, or death.
Remedy
Navistar will notify owners and dealers will replace the center bearing and its mounting hardware free of charge. The safety recall began on january 27, 2011. Owners may contact navistar at 1‑800‑448‑7825.

Recall number 10V630000 · Recall details

Visibility: rear window wiper/washer: linkagesReported August 24, 2010 · 39,544 vehicles affected
What is wrong
Navistar is recalling certain model year 2008 through 2011 international prostar and lonestar heavy trucks manufactured from january 2, 2007 through june 1, 2010. The passenger side windshield wiper linkage rod may separate from either the wiper drive arm or passenger side pivot assembly.
Risk
When the linkage separates, the passenger side wiper arm will no longer operate which could lead to reduced driver visibility, increasing the risk of a crash.
Remedy
Navistar will notify owners and international dealers will replace the windshield wiper linkage assembly free of charge. The safety recall is expected to begin on or about december 17, 2010. Owners may contact navistar at 1‑800‑448‑7825.

Recall number 10V383000 · Recall details

Steering: gear box: shaft pitmanReported June 14, 2010 · 1,220 vehicles affected
What is wrong
Navistar is recalling certain model year 2010 and 2011 international 4300m, 8600, lonestar and prostar brand trucks manufactured from may 6, 2009 through may 25, 2010. The fastener that clamps the pitman arm to the steering gear shaft may have been undertorqued upon assembly. An under torque condition may cause wear of the interconnecting splines of the arm and the shaft possibly allowing the pitman arm to slip over the shaft resulting in a reduction of steering control.
Risk
A reduction of steering control increases the risk of a crash.
Remedy
Navistar will notify owners and dealers will repair the vehicles free of charge. The safety recall began on july 9, 2010. Owners may contact navistar at 1‑800‑448‑7825.

Recall number 10V259000 · Recall details

Electrical system: 12v/24v/48v batteryReported March 18, 2010 · 29,460 vehicles affected
What is wrong
Navistar has notified the federal safety agency of a defect on certain model year 2008-2011 international trucks equipped with an optional jump start stud. Corrosion at the base of the stud may cause an electrical short between the stud and battery box.
Risk
An electrical short may cause a vehicle fire.
Remedy
A final remedy has been established. Navistar will notify owners, and dealers will repair the vehicles by installing a new jump start stud. Repairs will be preformed free of charge. An interim action will involve the removal of the jump start stud and the connecting cable. The safety recall began on september 10, 2010. Owners may contact international dealers at 1‑800‑448‑7825.

Recall number 10V107000 · Recall details

See all 15 recalls for the 2011 International Prostar

Defect investigations

Leaking MGM brake chambersOpened December 4, 2012, closed July 12, 2013

The summary for this investigation is provided in a separate attachment to this resume.This equipment query is closed.

EQ12011

Technical service bulletins for the 2011 International Prostar 492

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

See all 492 bulletins for the 2011 International Prostar

What 2011 International Prostar owners say

Most recent owner complaints, unedited.

Filed Jun 2, 2022 · Brakes, Suspension · 225,000 miles · CO

The contact owns a 2011 International Prostar. The contact stated while driving at various speeds, the vehicle became very unstable and difficult to control. The contact stated that the failure mostly occurred while driving on poorly paved roads. The contact stated that the failure was due to improperly installed air brake canisters during the manufacturing of the vehicle. The vehicle was taken to the local service center on several occasions for failure but no cause of failure was found. The manufacturer was notified of the failure but no assistance was offered. The failure mileage was 225,000.

Filed Oct 21, 2016 · Engine · 380,000 miles · FL

Purchased a used prostar from international and it has been a lemon. International knowingly sold this truck with the engine, exhaust system default. Egr and egr cooling system continue to break down when in operation causing the truck to shut down while in operation and leaking fumes into the cab. The two times that it has shut down I was traveling in city traffic, thank god as I was traveling very slow. Giving me the opportunity to maintain control.

Filed Dec 5, 2011 · Acceleration, Driver assistance · 150,000 miles · OK

While driving at interstate highway speeds, contact with highway edge rumble strips may cause the vehicle traction control system to activate and cause loss of control and/or stability of the vehicle.

Filed Jun 1, 2011 · Wheels · OK

2011 international pro star , unit 1 was traveling eastbound on the ohio turnpike in the right driving lane when rear passenger trailer tire came off the wheel hub. *bf the mechanic failed to tighten the lug nuts on the trailer tires from the last tire service. (ohio traffic crash report # 10-0226-91)

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Questions about the 2011 International Prostar

Is the 2011 International Prostar reliable?

Owners have filed 4 complaints about the 2011 International Prostar, close to a typical Prostar model year.

What is the most common problem with the 2011 International Prostar?

Acceleration and speed control, with 1 complaint. Next is brakes (1).

How many recalls does the 2011 International Prostar have?

15 recalls, covering exterior lighting, trailer hitches and visibility.

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