Hydraulic fan fittings leaking

An NHTSA Preliminary Evaluation into Orion vehicles. Closed 17 December 2004.

Investigation
PE04074
Type
Preliminary Evaluation
Opened
2 November 2004
Closed
17 December 2004

What NHTSA investigated

This investigation was opened after odi visited a transit fleet facility and observed a bus that had experienced an engine compartment fire.after inspecting similar model buses, six other buses were found to have leaking hydraulic hoses, resulting in oilsprayinginto the engine compartment and onto hot engine exhaust components. Odi opened the investigation to gather specific information concerning the hoses, fittingsand to understand the influence of hydraulic leakage as a catalyst for bus fires. As a result of odi?s investigation, orion has agreed to initate a safety recall to replace the original rigid pipe design with a flexible hose design.a copy of the recall is attached. This action resolves the issues raised by this investigation. Accordingly, this investigation is closed.

The recall that followed

  1. Orion — Engine and Engine Cooling: Fan04V54400011 November 2004663 vehicles

Vehicles covered

MakeModelModel years
OrionVII2002–2004

Source

From NHTSA’s investigation file, rebuilt daily. To report a problem with your own vehicle, go to nhtsa.gov/report-a-safety-problem. All open investigations.