Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
TSIB 22-03
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.
TSIB 21-01
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 3139
This Service Bulletin provides a checklist of actions to perform on a daily, weekly and monthly basis for parked coaches before they are considered ready for driving.
SB 3120
This Service Bulletin informs owners of the procedure to clean the batteries and reapply corrosion inhibitor every 6000 miles or 3 months, whichever first occurs.
MCI-3087
Motor Coach Industries (MCI) has received field reports of the alternator bracket on 2010 and 2013 Cummins ISX engine exhibi;ting signs of fatigue and cracking. MCI is instructing customers operating a D or J4500 serues ciacg eqkyuooed wutg a 2010 or 2013 Cummins ISX engine to perform the visual inspection outlined in this Service Information bulletin.
SB-407
MOTOR COACH INDUSTRIES (MCI): RED 185 DUROMETER POLYURETHANE BUSHINGS WERE REPLACED WITH 288 POLYURETHANE BUSHINGS IN SHOCK ABSORBERS THAT IN COLD TEMPERATURES, WILL FAIL, CAUSING ABSORBER STUD TO BREAK, AT BUSHING, AND COACH IS NOT OPERATIONAL DUE TO RISK OF DAMAGE TO SUSPENSION COMPONENT. MODEL D SERIES. *PE
SB-3082
MOTOR COACH IND. (MCI): TO CORRECT AN ACTIVE FAULT CODE (2311), EXPERIENCED IN THE ENGINE, A NEW CALIBRATION ECM IS BEING INSTALLED. *PE
SB 398B
This Service Bulletin informs affected customers that due to the Actia's module internal circuit characteristic the potential may exist in which both the high side and low side output of power management module (PMM)1 may be active at the same time for a very brief time. This may result in an electrical short on the low side output and intermittent loss of the ignition signal on model year 2010-2012 MCI D model coaches, and that MCI will remedy the affected coaches at no cost to the customers.
SB 391
This Service Bulletin informs affected customers that MCI was notified by Allison Transmission that it has released Field Action Letter 2012FA03 that addresses the need for replacement of the Dual Power Inverter Module 2 (DPIM2) on model year 2010-2011 MCI D4500 model coaches. This program is being performed only by authorized Allison Transmission dealers, therefore, all parts and labor required for this program will be provided by Allison Transmission.
SB-357
MOTOR COACH INDUDSTRIES: INFORMATION ON REPLACING THE COOLANT PUMP THAT MAY HAVE A PROBLEM. *RM
354
MOTOR COACH INDUSTRIES SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THERE MAY BE A HARSH DOWNSHIFT, RPM FLARE, OR THE TRANSMISSION MAY LOCK. *RM
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.