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 26-04
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.
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.
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 427
This Service Bulletin informs customers that MCI was notified by ZF Friedrichshafen AG that the lower die-cast aluminum seal carrier of the front and trailing (tag) axle king pin mount has exhibited signs of premature wear on model year 2013-2014 MCI D model coaches and model year 2013-2016 MCI J4500 model coaches, and that MCI will remedy the affected coaches at no cost to the customers.
SB 424B
This Service Bulletin supersedes Service Bulletin 424 in its entirety and informs customers that MCI was notified by Cummins Inc. that it has issued a campaign to addresses the ISX lubricating oil filter bypass valve in addition to the previous fuel pump repair with a new bypass valve that has more effective sealing capability and provides better protection to fuel pump lubricated components on model year 2008-2013 MCI D model coaches and model year 2011-2014 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 427 (DEC)
This Service Bulletin informs customers that MCI was notified by ZF Friedrichshafen AG that the lower die-cast aluminum seal carrier of the front and trailing (tag) axle king pin mount has exhibited signs of premature wear on model year 2013-2014 MCI D model coaches and model year 2013-2016 MCI J4500 model coaches, and that MCI will remedy the affected coaches at no cost to the customers.
SB 424
This Service Bulletin informs customers that MCI was notified by Cummins Inc. that it has released Campaign C1638 that addresses the ISX lubricating oil filter bypass valve in addition to the previous fuel pump repair actions outlined in MCI SB 419 and Cummins FCP C1556 on model year 2008-2013 MCI D model coaches and model year 2011-2014 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 419
This Service Bulletin informs affected customers that MCI was notified by Cummins Inc. that it has issued a campaign to address ISX high pressure fuel pump ceramic plunger fractures as well as the potential of damage to the roller/tappet assembly on model year 2011-2013 MCI D model coaches and model year 2011-2014 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 407B
This Service Bulletin supersedes Service Bulletin 407 in its entirety and informs affected customers that MCI was notified by Gabriel Ride Control that in early 2013 they replaced the red 185 durometer polyurethane bushings with a red 288 polyurethane bushing in the shock absorbers at their production plant and these shock absorbers operating in cold temperatures may result in failure of the shock absorber stud breaking at the busing and if the shock absorber fails, the coach cannot be operated due to the risk of suspension component damage on model year 2013-2014 MCI D model coaches, and that MCI will remedy the affected coaches at no cost to the customers.
SB 410
This Service Bulletin informs affected customers that the diesel exhaust fluid (DEF) pressure line may exhibit signs of fatigue and melting on model year 2011-2013 MCI D model coaches, and that MCI will remedy the affected coaches at no cost to the customers.
SB 407
This Service Bulletin informs affected customers that MCI was notified by Gabriel Ride Control that in early 2013 they replaced the red 185 durometer polyurethane bushings with a red 288 polyurethane bushing in the shock absorbers at their production plant and these shock absorbers operating in cold temperatures may result in failure of the shock absorber stud breaking at the busing and if the shock absorber fails, the coach cannot be operated due to the risk of suspension component damage on model year 2013-2014 MCI D model coaches, and that MCI will remedy the affected coaches at no cost to the customers.
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 392B
This Service Bulletin supersedes Service Bulletin 392 in its entirety and informs affected customers that coaches equipped with a Cummins 2010 engine can experience intermittent faults of the engine and/or transmission of the mulitplex controller program and as a result, the coach will operate with active engine and/or transmission codes that may require immediate attention on model year 2011-2013 MCI D model coaches, and that MCI will remedy the affected coaches at no cost to the customers.
SB 396
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-3079
MOTOR COACH INC: PROCEDURE OUTLINES OPERATIONAL CHECKS, ON SOME COACHES, CONCERNING PARK BRAKE AUTOMATIC ACTUATION OPERATION AND SECONDARY AND PRIMARY BRAKE SYSTEM, WITH OR WITHOUT TRAILER CONNECTIONS. MODELS D4000, 4005, 4505, 4500. NO MODEL YEARS LISTED. *PE
SB 392
This Service Bulletin informs affected customers that coaches equipped with a Cummins 2010 engine may experience intermittent faults on the engine and/or transmission without having the designated warning tell-tale (check engine light and/or check transmission light) illuminate on the instrument panel on model year 2011-2013 D model coaches, and that MCI will 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.