| Bulletin Number | Vehicle Make | Vehicle Model | Model Year | Summary |
|---|---|---|---|---|
| P15-05 | MCI | D4500 | 2020 | This Procedure outlines the steps to install Alcoa nut covers on the front, tag axle wheels, and change the mounting hardware for the drive axle hub c |
| P03-275 | MCI | D4500 | 2019 | This Procedure outlines the steps to install angular supports and a locking pin to the radio tray.<br /> |
| SB 3133 | MCI | D4500 | 2020 | This service bulletin outlines the steps to adjust the air/fuel mixture on the Spheros auxiliary heater unit for coaches operating at an altitude grea |
| P15-05 | MCI | D4500 | 2020 | This Procedure outlines the steps to install Alcoa nut covers on the front, tag axle wheels, and change the mounting hardware for the drive axle hub c |
| P09-13 | MCI | D4500 | 2020 | This Procedure outlines the steps to add an insulator to the fuel tank strap assembly to reduce excessive movement of the fuel tank. This procedure a |
| P03-275 | MCI | D4500 | 2018 | This Procedure outlines steps to replace the radio tray slides and reinforce the tray to avoid the tray from rattling and cracking.<br /> |
| SB 391 | MCI | D4500 | 2011 | This Service Bulletin informs affected customers that MCI was notified by Allison Transmission that it has released Field Action Letter 2012FA03 that |
| SB 398B | MCI | D4500 | 2012 | This Service Bulletin informs affected customers that due to the Actia's module internal circuit characteristic the potential may exist in which both |
| SB-443 | MCI | D4500 | 2017 | THIS SERVICE BULLETIN INFORMS AFFECTED CUSTOMERS THAT MCI WAS NOTIFIED BY AMEREX CORPORATION THAT THE GAS DETECTION PORTION OF THE AMEREX SAFETYNET SY |
| SB-3082 | MCI | D4500 | 2014 | MOTOR COACH IND. (MCI): TO CORRECT AN ACTIVE FAULT CODE (2311), EXPERIENCED IN THE ENGINE, A NEW CALIBRATION ECM IS BEING INSTALLED. *PE<br / |
| SB-407 | MCI | D4500 | 2014 | MOTOR COACH INDUSTRIES (MCI): RED 185 DUROMETER POLYURETHANE BUSHINGS WERE REPLACED WITH 288 POLYURETHANE BUSHINGS IN SHOCK ABSORBERS THAT IN COLD T |
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