Investigation PE04074: 2002–2004 Orion VII

Status

CLOSED

Opened

Nov 2, 2004

Closed

Dec 17, 2004

Model years

2002–2004

Subject

Hydraulic fan fittings leaking

Component: Engine and engine cooling › Cooling system › Fan

Summary

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.

An NHTSA investigation looks into whether a safety defect exists. Opening one is not a finding. Outcomes can include a recall, closure without action, or further inquiry.