Mci E4500 problems & complaints

Complaints by model year

Complaints owners filed with NHTSA, by the model year of the vehicle. A high count can also mean a popular year, so compare it with how many were sold.

Technical service bulletins (TSBs)

Repair instructions and other communications the manufacturer sent dealers about known issues. A TSB is not a recall, and the repair is usually free only while the car is under warranty; ask your dealer for the bulletin number.

• TSIB 24-03
  Nov 5, 2024Service Bulletin/Repair InstructionsEngine, Unknown Or Other

  Information to owners showing the proper procedure for checking the oil level in a BITZER HVAC compressor.

• TSIB 21-01
  Dec 14, 2021Service Bulletin/Repair InstructionsService Brakes, Hydraulic

  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 hubs.

• SB 3118
  Dec 20, 2018Service Bulletin/Repair InstructionsSteering

  This Service Bulletin informs affected owners of 1997-2013 E4500 and 2001-2015 J4500 model coaches equipped with Rear Axle Steering (RAS) system of the importance of maintaining tag axle caster, and provides the procedure to adjust the caster, if necessary.

• SB 396
  Jun 18, 2013Service Bulletin/Repair InstructionsEngine

  This Service Bulletin informs customers that MCI was notified by Cummins Inc. that it has released Campaign C1344 that addresses a calibration change, which Cummins advises will improve the engine and aftertreatment reliability on Cummins ISX engines in model year 2011-2013 MCI D model coaches, model year 2011-2013 MCI E4500 model coaches and model year 2011-2013 MCI J4500 model coaches. This program is being performed only by Cummins Service Network and its authorized dealers, therefore, all parts and labor required for this program will be provided by Cummins.

• SB-3080
  May 22, 2013Service Bulletin/Repair InstructionsParking Brake, Service Brakes, Air

  MCI: INFORMATION PROCEDURE OUTLINING OPERATIONAL CHECKS FOR PARK BRAKE AUTOMATIC ACTUATION OPERATION AND PRIMARY BRAKE SYSTEM ON CERTAIN COACHES. MODELS E4500 SERIES, J4500 SERIES. NO MODEL YEARS LISTED. *PE

• SB 3077
  Dec 21, 2012Service Bulletin/Repair InstructionsEquipment Adaptive/Mobility, Engine And Engine Cooling

  This Service Bulletin informs affected customers that MCI was notified by Shaw Development that the diesel exhaust fluid (DEF) tank cap requires routine cleaning to prevent the potential for crystallization build up at the vent, which may result in potential vacuum issues which could result in collapsing of the tank walls on MCI D model coaches, MCI E4500 model coaches and MCI J4500 model coaches.

• SB 393
  Dec 7, 2012Service Bulletin/Repair InstructionsEngine

  This Service Bulletin informs affected customers that MCI was notified by Cummins Inc. that it has issued campaign C1241 that addresses a calibration issue, which results in the engine brakes being energized with 24 volts rather than the required 12 volts on Cummins ISX engines in model year 2011-2012 MCI D model coaches, model year 2011-2012 MCI E4500 model coaches, and model year 2011-2012 MCI J4500 model coaches. This program is being performed only by Cummins Service Network and its authorized dealers, therefore, all parts and labor required for this program will be provided by Cummins.

• SB-393
  Dec 7, 2012Service Bulletin/Repair InstructionsEngine

  MCI: THE ENGINE BRAKES ARE BEING ENERGIZED WITH 24 VOLTS INSTEAD OF REQUIRED 12 VOLTS DUE TO CALIBRATION ISSUE AND INFORMATION IS PROVIDED REGARDING RECALIBRATING ECM AND REPLACING TWO ENGINE BRAKE SOLENOIDS. MODELS 3, E4500, J4500 SERIES. NO MODEL YEARS LISTED. *PE

• SB 3074
  Nov 13, 2012Service Bulletin/Repair InstructionsEquipment Adaptive/Mobility

  This Service Bulletin informs affected customers of the procedures to replace the existing 2007 EPA Cummins engine harness p-clip, in the event that loom damage or chafing has occurred on model year 2008-2011 MCI E4500 model coaches and model year 2007-2011 MCI J4500 model coaches, and that MCI has a parts kit available for purchase.

• SB-3074
  Nov 13, 2012Service Bulletin/Repair InstructionsEngine

  MCI: INFORMATION PROVIDED REGARDING THE REPLACEMENT STEPS OF EXISTING ENGINE HARNESS P CLIP, IF IN THE EVENT LOOM DAMAGE OR CHAFING HAS OCCURRED. MODELS E, J SERIES. NO MODEL YEARS LISTED. *PE

• SB 389
  Oct 12, 2012Service Bulletin/Repair InstructionsPower Train

  This Service Bulletin informs affected customers that the retention nut utilized on the Leece Neville alternator pulley installation is not maintaining the proper torque which may result in alternator bearing failure on model year 2011-2012 MCI D model coaches, 2011-2012 MCI E4500 model coaches, and 2011-2012 MCI J4500 model coaches, and that MCI will remedy the affected coaches at no cost to the customers.

• SB-389
  Oct 12, 2012Service Bulletin/Repair InstructionsElectrical System

  MOTOR COACH IND.: THE ALTERNATOR BEARING FAILS ON EXISTING RETENTION NUT DUE TO FAILURE OF PROPER TORQUE UTILIZED FOR LEECE NEVILLE ALTERNATOR PULLEY. MODELS D, E4500, J4500. NO MODEL YEARS LISTED. *PE

Federal defect investigations

NHTSA’s Office of Defects Investigation opens these when complaints point to a possible safety defect. Many end in a recall.

• MCI Drive Shaft Safety Loop Failures
  EA12007Opened Sep 13, 2012Closed Dec 3, 2015

  In the fall of 2011, network contacts made ODI aware of four (4) incidents of drive shaft failure on the subject buses involving a loss of vehicle control. Two of the incidents were relatively low speed non-crash events; and two resulted in motor coach rollovers. All four events showed signs of a common failure mode. The incidents and crashes studied during this investigation all resulted from a series of complex events that began with the the yoke journal ears on the drive shafts fracturing. Once t