Cummins · United States · High
Cummins ISB6.7: Engine and engine cooling — diesel
Affects Cummins ISB6.7 · — — about 7K vehicles.
The hazard
If this occurs, the fan belt may lose engagement of the water pump, allowing the cooling system to overheat. This may result in exceeding temperature limits, potentially disabling the school bus. If the school bus is occupied when it becomes disabled, the occupants would need to exit the vehicle and be transferred to another vehicle, putting them at risk of injury.
What to do
Cummins will notify Thomas Built of this defect and the potential safety consequences, and will work with them to identify and notify the affected owners. Cummins will install a new fan drive pulley, without charge, through Cummins' service network. The recall began on November 27, 2012. Notification to owners began on January 4, 2013. Owners may contact Cummins at 1-812-377-5000.