ORION VI Recalls

Jun 14, 2006 – ON CERTAIN BUSES EQUIPPED WITH DETROIT DIESEL SERIES 50G ENGINES, HIGHER THAN EXPECTED TEMPERATURES WILL ALLOW THE LOW PRESSURE NATURAL GAS REGULATOR GASKET TO LEAK COOLANT AND DRIP ONTO THE TERMINALS OF THE BATTERY CHARGING ALTERNATOR.

Apr 03, 2006 – CERTAIN MY 2000-2005 DETROIT DIESEL SERIES 50G ENGINES MANUFACTURED BETWEEN OCTOBER 2, 2002, AND MARCH 22, 2005, EQUIPPED ON CERTAIN 2002-2004 ORION V AND 2002-2005 ORION VII TRANSIT BUSES. HIGHER THAN EXPECTED TEMPERATURES WILL ALLOW THE LOW PRESSURE NATURAL GAS REGULATOR GASKET TO LEAK COOLANT AND DRIP ONTO THE TERMINALS OF THE BATTERY CHARGING ALTERNATOR.

Sep 13, 2005 – ON CERTAIN TRANSIT BUSES 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.

Jun 14, 2005 – ON CERTAIN COMMERCIAL BUSES EQUIPPED WITH VAPOR DOOR ASSEMBLIES, THE TWO PIECE CURVED CONNECTING RODS WHEN USED AS AN ELEMENT OF THE DOOR ACTUATION LINKAGE IN CONJUNCTION WITH A VAPOR MEDIUM PNEUMATIC DIFFERENTIAL ENGINE, MAY BE SUBJECT TO FATIGUE FAILURE RESULTING IN BENDING OR BREAKING OF THE CONNECTING ROD.

Mar 02, 2005 – ON CERTAIN TRANSIT BUSES, 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.

Feb 16, 2005 – ON CERTAIN TRANSIT BUSSES EQUIPPED WITH ARVINMERITOR URRESKO TIE ROD CLAMPS, HEAT TREATMENT OF CLAMPS CREATED A SURFACE HARDNESS THAT COULD LEAD TO A FRACTURE OF THE CLAMPS.

Feb 01, 2005 – ON CERTAIN TRANSIT BUSES EQUIPPED WITH DETROIT DIESEL SERIES 50 ENGINES, THE TURBOCHARGER CAN FAIL ALLOWING LUBRICATING OIL TO ENTER THE EXHAUST SYSTEM.

Sep 13, 2004 – ON CERTAIN BUSES, THE BATTERY STORAGE SLIDING TRAY LOCKING TOGGLE WAS NOT TIGHTENED SUFFICIENTLY. THE BATTERY DOOR CAN OPEN ALLOWING THE BATTERY TRAY TO SLIDE OUT FROM THE STORED POSITION.

Aug 30, 2004 – ON CERTAIN BUSES, THE ASSEMBLY OF THE WALKING BEAM CONNECTION TO THE REAR SUSPENSION EXHIBITS LOOSE OR BREAKING OF BOLTS DUE TO MISALIGNED SPACERS.

Aug 19, 2004 – CERTAIN BUSES EQUIPPED WITH COMPRESSED NATURAL GAS FUEL CONTAINERS, MODEL ALT823D, P/N 1273147, DO NOT CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 304, 'COMPRESSED NATURAL GAS FUEL CONTAINER INTEGRITY.' THE NGV CONTAINER'S PRESSURE RELIEF DEVICES FAIL TO TIMELY AND FULLY ACTIVATE AS REQUIRED BY THE STANDARD.