Safety defect investigations, technical specifications, and manufacturer repair notices for Canadian owners.
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Safety recall notices and repair campaigns registered for the 2011 Thomas Built Mvp-Ef School Bus in Canada.
On certain school buses, the stem which joins the outside emergency door handle to the emergency door opening mechanism may potentially corrode. Excessive material loss of the stem due to corrosion could result in the outside handle separating from the door mechanism while trying to open the door from the exterior of the bus. In the event of an emergency, this could delay evacuation of the vehicle and increase the risk of injury to occupants. Correction: Dealers will inspect the stems and either replace or protect them against further corrosion.
A failure of this component (structure) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
On certain school buses equipped with a Cummins engine, the V-band clamps used to connect the inlet and outlet cone sections to the Diesel Oxidation Catalyst (DOC) / Diesel Particulate Filter (DPF) include a T-bolt which can fracture and fail when subjected to stress or load. A fracture or failure of the T-bolt may cause the clamp to loosen and the inlet or outlet sections attached to the DOC/DPF housing to disconnect. Should this occur, hot exhaust gases can vent prior to exiting the tailpipe, creating a risk of combustion or damage to adjacent materials, which could result in a vehicle fire. If both clamps fail, the DOC/DPF housing could detach completely, separate from the vehicle, and strike another vehicle, stationary object, or bystander. These issues could result in property damage and/or personal injury. Correction: Cummins will install updated V-band clamps.
A failure of this component (engine) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
On certain vehicles equipped with a Carrier GenV EM-1 evaporator unit, the blower motor fuse assembly may allow the fuse to loosen over time, which could result in high resistance and arcing. If sufficient arcing occurs the fuse holder may melt, which could cause smoke and/or fire. A vehicle fire could result in property damage and/or personal injury. Correction: Carrier will provide a retrofit kit along with installation instructions.
A failure of this component (accessories) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
On certain school buses equipped with a driver's seat containing a "Stabilus Bloc-O-Lift" support shock, the mounting tab on the shock may break unexpectedly, causing the seat to drop to its lowest position without warning, which could result in a momentary loss of control if the vehicle is in operation, possibly resulting in a crash. Correction: Dealers will inspect and, if necessary, replace the support shock.
A failure of this component (seats and restraints) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
On certain buses, the Megafuse junction box is located in an area exposed to excessive road splash and spray. In some applications the cable connections may corrode rapidly. If undetected, extreme corrosion may cause a power cable to become separated from the power source resulting in an unexpected engine shutdown or loss of vehicle lighting and windshield wipers. Unexpected engine shutdown or a loss of vehicle lighting and windshield wipers in certain traffic conditions could increase the potential of a vehicle crash. Correction: Dealers will replace the Megafuse junction block and electrical box.
A failure of this component (electrical) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
Official Transport Canada safety campaigns, Canadian motor vehicle safety compliance standards and live VIN specifications.
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