ah-28

Optima Ah-28 (1998) – 05V110000

Vehicle recall defect – On Trolleys And Transit Coaches Equipped With Cummins Isb Diesel Engines, The Fuel Lift Pump Could Fail In A Manner Which Results In Engine Fuel Starvation, Which Could Result In A Stall Condition. Potential Lift Pump Failure Modes Include: Brush Wear Out, Bushing Failure, Rotor Tab Insert Failure, Or Any Other Failure Mode That Would Cause The Fuel PuMPIng Element To Stop Spinning.


Optima Ah-28 (2005) – 05V405000

Vehicle recall defect – On Certain Transit Vehicles And Trolleys Equipped With Cummins Isb-02 Diesel Engines Built With EMC Controlled Fuel Lift Pumps. Erratic Voltage Supply To The Fuel Lift Pump Causes Premature Electric Brush Wear Internal To The Fuel Lift Pump. This Premature Wear Could Result In Fuel Lift Pump Failure And In Some Cases May Cause An Engine Stall Condition.


Optima Ah-28 (2004) – 05V405000

Vehicle recall defect – On Certain Transit Vehicles And Trolleys Equipped With Cummins Isb-02 Diesel Engines Built With EMC Controlled Fuel Lift Pumps. Erratic Voltage Supply To The Fuel Lift Pump Causes Premature Electric Brush Wear Internal To The Fuel Lift Pump. This Premature Wear Could Result In Fuel Lift Pump Failure And In Some Cases May Cause An Engine Stall Condition.


Optima Ah-28 (2004) – 05V108000

Vehicle recall defect – On Certain Transit Buses Equipped With Webasto Heaters, The Burner Tubes Are Made Of Material That Does Not Meet Specifications And Could Fail Prematurely.


Optima Ah-28 (2003) – 05V110000

Vehicle recall defect – On Trolleys And Transit Coaches Equipped With Cummins Isb Diesel Engines, The Fuel Lift Pump Could Fail In A Manner Which Results In Engine Fuel Starvation, Which Could Result In A Stall Condition. Potential Lift Pump Failure Modes Include: Brush Wear Out, Bushing Failure, Rotor Tab Insert Failure, Or Any Other Failure Mode That Would Cause The Fuel PuMPIng Element To Stop Spinning.