Preliminary Evaluation · HYDRAULIC FAN FITTINGS LEAKING · Opened 2004-11-02 · Closed 2004-12-17
Investigation
Action number
PE04074
Type
Preliminary Evaluation
Open date
2004-11-02
Close date
2004-12-17
Manufacturer
Daimler Commercial Buses NA
Affected makes
ORION
Affected components
ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
Affected model years
2002, 2003, 2004
Affected (make, year) variants
3
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.