TSIB 24-03
Service Bulletin/Repair Instructions
Information to owners showing the proper procedure for checking the oil level in a BITZER HVAC compressor.
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 24-03
Information to owners showing the proper procedure for checking the oil level in a BITZER HVAC compressor.
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.
P03-263
This Procedure outlines the steps to replace the aluminum rivets with stainless steel nuts and bolts to secure the rad panel due to galvanic corrosion.
P08-54
This Procedure outlines the steps to install a relief valve on the air compressor for coaches equipped with DD13 engines.
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.
SB 3113B
This Service Bulletin informs owners of D series coaches equipped with a Delco 55 SI alternator MCI P/N (07-03-1310) to clean the alternators every 6,000 miles using the procedure as recommended by Delco.
SI 3108
This Service Bulletin informs affected customers that the GFCI outlet(s) on the Sensata inverter may require replacement on model year 2014-2017 MCI D Series and model year 2014-2017 MCI J4500 model coaches, and that replacement parts are available for purchase.
SB 459
This Service Bulletin informs affected customers that the potential may exist for heat damage to occur to the rear bumper asembly on coaches equipped with an ISX G engine on model year 2015-2018 MCI D Series model coaches, and that MCI has a retrofit available at no cost to the customers.
SB 440B
This revised Service Bulletin was issued to reflect specific unit numbers in place of a VIN range list, and informs affected customers that Cummins has released Campaign C1846 that addresses calibration issues on ISX12 2013 engines in certain motor coach operations on model year 2014-2016 MCI D model coaches and model year 2014-2016 MCI J4500 model coaches.
SB 448
This Service Bulletin informs affected customers that MCI has become aware that rattling of the parcel rack compartment doors may occur on model year 2014-2017 MCI D Series and 2014-2017 MCI J4500 model coaches, and that MCI will remedy the affected coaches at no cost to the customer.
SB 440
THIS SERVICE BULLETIN INFORMS AFFECTED CUSTOMERS THAT MCI WAS NOTIFIED BY CUMMINS INC. THAT CUMMINS HAS RELEASED CAMPAIGN C1846 THAT ADDRESSES CALIBRATION ISSUES ON ISX12 2013 ENGINES IN CERTAIN MOTOR COACH OPERATIONS ON MODEL YEAR 2014-2016 MCI D MODEL COACHES AND MODEL YEAR 2014-2016 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 3097B
THIS SERVICE BULLETIN INFORMS AFFECTED CUSTOMERS THAT MCI HAS MADE AN IMPROVEMENT TO THE PARCEL RACK COMPARTMENT DOOR INSTALLATION WHICH WILL MINIMIZE THE PARCEL RACK COMPARTMENT DOOR RATTLING ON MODEL YEAR 2014-2017 MCI D MODEL COACHES AND 2014-2017 MCI J4500 MODEL COACHES. MCI WILL PROVIDE A PARTS KIT TO REMEDY THE AFFECTED COACHES AT NO COST TO THE CUSTOMERS.
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.