SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY
2000 Mci G4500 Recalls
Safety recall campaigns filed with NHTSA that cover this model year
Recalls apply to specific vehicles, not to every vehicle of a model year. Check your VIN with NHTSA or your manufacturer's dealer to confirm whether a recall affects your vehicle.
Check a VIN on NHTSA.govRecall campaigns
2 campaigns cover this model year — what the defect is, what it could cause, and what the remedy is
SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY
What a recall is
- Safety recall
- A safety recall is issued when a manufacturer or NHTSA determines that a vehicle has a safety-related defect or does not comply with a federal motor vehicle safety standard. Recall repairs are free. Whether a specific vehicle is covered depends on its VIN — a recall listed for a model year does not necessarily apply to every vehicle of that year.
- Safety investigation
- NHTSA opens an investigation to examine whether a safety defect may exist. An open investigation is not a determination that a defect exists, and many investigations close without a recall. Investigations can, however, lead to one.
- Manufacturer communication
- Manufacturers file copies of the bulletins they send to dealers with NHTSA. These often describe diagnostic or repair procedures for a known condition. They are not recalls: repairs described in a bulletin are usually only free if the vehicle is still under warranty or the manufacturer has extended coverage.
Safety investigations
NHTSA inquiries naming this vehicle. An investigation is not a finding of a defect, and it is not a recall.
STEERING BOX MOUNTING BRACKET CRACK
THIS INVESTIGATION WAS OPENED AFTER ODI WAS CONTACTED BY A FLEETALLEGING THAT THEY HAVE HAD NINE INCIDENTS WHERE CRACKS WERE FOUND IN THE BRACKET THAT SUPPORTS THE STEERING GEAR BOX ASSEMBLY.THESE CRACKS WERE ALLOWING MOVEMENT OF THE STEERING BOX.ODI WAS CONCERNED THAT SHOULD THIS BRACKET COMPLETELY FAIL WHILE THE BUS IS BEING DRIVEN, A LOSS OF STEERING WOULD OCCUR.AS A RESULT OF ODI'S INVESTIGATION, MCI HAS AGREED TO INITIATE A SAFETY RECALL TO ADD AN ADDITIONAL GUSSET TO THE BRACKETS AND REWELD AS NECESSARY. THE TARGET DATE FOR LAUNCHING THE CORRECTIVEACTION ISMARCH 31, 2007.MCI'S ACTIONRESOLVES THE ISSUES RAISED BY THIS INVESTIGATION.ACCORDINGLY, THIS INVESTIGATION IS CLOSED. THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION ON THESE VEHICLES IF WARRANTED IN THE FUTURE.
FAILED TAG AXLE SWING ARMS
MCI ORIGINALLY FILED A DEFECT NOTIFICATION ON OCTOBER 20, 2003, (03V-411) TO ADDRESSCRACKS LOCATED ON THE TAG AXLE SWING ARM AT THE CONNECTION TO THE PIVOT SPINDLE TUBE.FOUR HUNDRED AND NINETY-THREE (493) MCI G4500 2000-2003 MOTOR COACHES WERE INVOLVED.MCI?S ENGINEERING ANALYSIS DETERMINED THAT INSUFFICIENT WELD METAL AND /OR WELD PENETRATION ON THE FAILED COMPONENTS COULD RESULT IN EARLY STRESS AND FATIGUE CRACKS AT A WELD JOINING THE TAG AXLE TO THE PIVOT TUBE ASSEMBLY.MCI'S FIELD REPAIR CONSISTED OF INSPECTING AND RE-WELDING THE TAG AXLE SWING ARM.A SMALL PERCENTAGE WERE NOT REPAIRABLE AND REQUIRED A FULL REPLACEMENT OF THE SWING ARM. ON JULY 18, 2006, ODI WAS CONTACTED BY A FLEETALLEGING THAT THEY HAD THREE TAG AXLE ARMS CRACK AND SUBSEQUENTLY BREAK IN THE SAME AREA REPAIRED BY MCI DURING THE SAFETY RECALL.AS A RESULT, ODI OPENED THIS RQ.MCI CONDUCTED FURTHER ANALYSIS AND DETERMINED THAT SOME OF THE PREVIOUSLY REPAIRED SWING ARMS, REPAIRED DURING RECALL 03V-411 MAY HAVE BEEN REPAIRED WITH EXISTING UNIDENTIFIED MICRO-FRACTURES AND/OR WELDS WITH INSUFFICIENT PENETRATION.THIS COULD LEAD TO FURTHER CRACKING AND RESULT IN A PARTIAL OR TOTAL SEPARATION OR THE TAG ARM. AS A RESULT OF THIS INVESTIGATION, MCI HAS ANNOUNCED A NEW SAFETY RECALL IN WHICH THEY WILL REPLACE ALL THE TAG ARMS WITH A NEWLY DESIGNED TAG AXLE SWING ARM.MCI'S NEW RECALL ACTIONRESOLVES THIS INVESTIGATION.THEREFORE, THIS INVESTIGATION IS CLOSED.ODI WILL CONTINUE TO MONITOR THE PROGRESSION OF THE NEW RECALL BEING CONDUCTED BY MCI.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — recall campaigns and safety investigations