2015 Mci J4500 problems, complaints & recalls
Safety recalls (10)
Visibility:glass, Side/Rear 2025-12-10 · campaign 25V853000 · 15,454 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain 102DL3, 102D3, MC12PTV, E4500, D4000, 102D3ISTV, D4500, J4500, D4000ISTV, D4005, D4505, and J3500 transit buses. Please refer to MCI's recall report for specific model year information. The front door lower curb view glazing material is incorrect. As such, these vehicles fail to conform to Federal Motor Vehicle Safety Standard (FMVSS) number 205, "Glazing Materials."
Risk: The incorrect window glazing material may reduce the driver's visibility, increasing the risk of a crash.
Fix: MCI will replace the glass, free of charge. Owner notification letters were mailed February 4, 2026. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is 22-005.
Service Brakes, Air:supply:hoses, Lines/Piping, And Fittings 2020-04-27 · campaign 20V233000 · 2,272 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain model year 2014-2019 J4500 and 2018-2019 J3500 motor coaches. The brake hoses may crack or otherwise fail resulting in an air leak. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
Risk: A leaking brake hose could cause a delay in the actuation time of the front brake, which would increase vehicle's stopping distance and increase the risk of a crash.
Fix: MCI will notify owners to inspect the brake hoses and replace any hoses that are leaking or otherwise damaged. MCI will reimburse owners for the cost of the inspection, and will provide replacement parts as necessary, free of charge. The recall began June 26, 2020. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is SB 481.
Steering:hydraulic Power Assist System 2019-01-07 · campaign 19V027000 · 2,089 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain 2001-2015 J4500 and 1997-2013 102EL3/E4500 coaches equipped with a hydraulic rear axle (tag axle) steering system. The axle's alignment and low hydraulic pressure in the steering system may cause the steering system to lock, causing a loss of steering control at highway speeds.
Risk: Loss of steering control may increase the risk of a crash.
Fix: MCI will inspect and repair axle alignment, as necessary, free of charge. MCI issued owners an interim notification on March 26, 2019. Owner notification letters were mailed on May 14, 2021. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is SB 469.
Service Brakes, Air 2017-06-02 · campaign 17V360000 · 1,100 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain 2014-2017 J4500 motor coaches equipped with ZF front axles. In the affected vehicles, the front brake hose routing clamps may have been over-tightened, possibly damaging the brake hose wall reinforcement. If the brake hose wall reinforcement is damaged, the brake hose may leak. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
Risk: If the front brake hoses leak, the distance needed to stop the vehicle may be lengthened, increasing the risk of a crash.
Fix: MCI will notify owners, and dealers will inspect the clamp tightness, replacing any damaged brake hoses, as necessary, free of charge. The recall began on July 14, 2017. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is SB 454.
Suspension 2017-03-27 · campaign 17V207000 · 1,165 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain 2014 -2016 J4500 vehicles. The front sway bar on these vehicles may crack at the bushing/clamp locations.
Risk: If the sway bar cracks, it can detach from the vehicle, affecting vehicle handling and increasing the risk of a crash.
Fix: Motor Coach Industries (MCI) will notify owners and dealers will replace the sway bar assembly, free of charge. The recall began on June 13, 2017. Owners may contact Motor Industries at 1-800-241-2947. MCI's number for this recall is Service Bulletin 452.
Visibility:glass, Side/Rear 2016-07-06 · campaign 16V510000 · 63 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain model year 2015-2016 J4500 vehicles manufactured April 14, 2015, to February 22, 2016. On the affected vehicles, the non-egress single pane passenger windows may have improperly installed mounting hardware, allowing the windows to open unexpectedly at the bottom.
Risk: A window that opens unexpectedly as a result of a crash or contact with the window may allow the passenger to be ejected from the bus, increasing their risk of injury.
Fix: MCI will notify owners, and dealers will tighten and secure the window mounting hardware, free of charge. The recall began on July 22, 2016. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is SB 433B.
Seats 2016-01-20 · campaign 16V020000 · 607 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain model year 2011-2013 and 2015 J4500 coaches manufactured November 18, 2011, to July 10, 2015, 2011-2012 and 2014-2015 D4000 coaches manufactured manufactured September 24, 2010, to September 5, 2015, 2011-2013 and 2015-2016 D4005 coaches manufactured January 17, 2011, to November 23, 2015, 2012-2014 and 2016 D4000ISTV coaches manufactured July 18, 2012, to December 2, 2015, 2010-2016 D4500 coaches manufactured April 15, 2010, to December 18, 2015
Risk: If the seatbelt anchorage assembly separates from the J-Bracket, the bus driver may not be properly restrained in the event of a crash increasing their risk of injury.
Fix: MCI will notify owners and dealers will inspect the seats and determined if welds are missing. Any J-Bracket that is missing welds will be removed and replaced, free of charge. The recall began on February 15, 2016. Owners may contact MCI at 1-800-241-2947. MCI's number for this recall is SB 431.
Power Train:axle Hubs 2015-06-19 · campaign 15V389000 · 232 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain model year 2014 D4500 vehicles manufactured December 19, 2013, to April 14, 2014, 2013-2014 D4505 vehicles manufactured February 1, 2013, to April 22, 2014, and 2013-2015 J4500 vehicles manufactured November 26, 2013, to May 22, 2015. The affected motorcoaches are equipped with hub carriers that may have areas of porosity which could result in the hub carrier leaking oil or cracking.
Risk: Cracks in the hub may result in hub failure, which could cause a loss of vehicle control, increasing the risk of a crash.
Fix: MCI will notify owners, and dealers will begin a routine inspection process to identify any hub carrier leaks. When parts become available, the affected hub carriers will be replaced, free of charge. The recall began on August 4, 2015. Owners may contact MCI customer service at 1-800-241-2947. MCI's number for this recall is SB 425.
Steering:linkages:tie Rod Assembly 2015-03-30 · campaign 15V184000 · 131 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain model year 2014 J4500 and model year 2015 D4000ISTV, D4005, D4500, and D4505 motor coaches manufactured August 26, 2014, to December 3, 2014. The affected motor coaches have front and steerable tag axles whose tie rod nuts may be improperly torqued.
Risk: If the tie rod nuts are not properly torqued, the tie rod may not be adequately secured, resulting in a loss of vehicle control and increasing the risk of a crash.
Fix: MCI will notify owners, and dealers will inspect the tie rod nut torque, replacing the parts as necessary, free of charge. The recall began on April 15, 2015. Owners may contact MCI customer service at 1-800-241-2947.
Service Brakes 2015-01-05 · campaign 15V001000 · 147 vehicles
Defect: Motor Coach Industries (MCI) is recalling certain model year 2013-2015 MCI J4500 motor coaches manufactured July 83, 2013, to December 19, 2014 and equipped with ZF axles and independent front suspension. The routing and clamping of the steering axle brake hose to the steering axle brake chamber may allow the brake hose to rub the front tire or contact and rub the upper control arm.
Risk: The rubbing may wear a hole into the brake hose resulting in a loss of air pressure in the front brake chamber, reducing brake performance and increasing the risk of a crash.
Fix: MCI will notify owners. The remedy for this recall is still under development. The recall began on March 2, 2015. Owners may contact MCI customer service at 1-800-241-2947.
Service bulletins (50)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Suspension 2026-02-09 · TSIB 26-04 · Service Bulletin/Repair Instructions
this tsib is to inform customers the recommended steering axle cleaning/greasing instructions to prevent damage on axle components due to displacement of grease from the bearings, lubrication reduction and accelerate wear for coaches with independent front suspension.
Unknown Or Other 2024-11-05 · TSIB 24-03 · Service Bulletin/Repair Instructions
information to owners showing the proper procedure for checking the oil level in a bitzer hvac compressor.
Electrical System 2022-09-07 · TSIB 22-12 · Service Bulletin/Repair Instructions
mci has released technical service information bulletin (tsib) 22-12 to address concerns with water ingress in remote switch box. the tsib provides guidance on how to rework the box to inhibit water intrusion and connector corrosion
Seats 2022-05-03 · TSIB 22-03 · Service Bulletin/Repair Instructions
technical service information bulletin describing the replacement of seating backrest attachment hardware with the addition of a mechanical lock nut on specifically equipped buses manufactured prior to model year 2020.
Service Brakes, Hydraulic 2021-12-14 · TSIB 21-01 · Service Bulletin/Repair Instructions
this technical service information bulletin (tsib) describes an update from meritor for the bolt torque application requirements on hub-to-rotor bolts for the front, drive and tag axles, on specific coaches equipped with meritor ex225 disc brakes, on either conventional, preset or unitized wheel-end
Equipment:appliance:air Conditioner 2020-09-17 · SB 3143 · Service Bulletin/Repair Instructions
this service bulletin informs affected owners of the steps to add a tensioner bracket to increase the tension on the a/c compressor belt.
Showing the 6 most recent of 50 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.