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 2020 Prevost H3-45 Coach in Canada.
On certain vehicles, a problem could cause the coolant heater to overheat and generate excessive exhaust gas.
A coolant heater that overheats can create the risk of a fire. Excessive exhaust gas could increase the risk of carbon monoxide poisoning. Additionally, a fire could result in passengers being evacuated in an uncontrolled environment, which may create a risk of injury.
Prevost will notify owners by mail and advise you to take your vehicle to a Prevost service center to inspect the coolant heater, adjust it and replace any damaged components, if necessary. Prevost recommends that you should not use the heater until the recall repairs are completed.
On certain vehicles, the fire sensor located in the engine compartment could fail. If this happens, the automatic fire suppression system (AFSS) could activate and shut down the engine.
A sudden loss of engine power could increase the risk of a crash.
Prevost will notify owners by mail and instruct you to take your vehicle to a Prevost service center to inspect, and if necessary replace the fire sensor. They will also install spacers between the sensor and mounting bracket.
On certain vehicles, if the front bearing on the alternator fails, the alternator belts could continue to turn the alternator. This could cause the alternator bearing to overheat.
An overheated alternator bearing could create the risk of a fire.
Prevost will notify owners by mail and instruct you to take your vehicle to a Prevost service center to replace the alternator belts. To reduce the safety risk, Prevost recommends that you should inspect the front bearing on the alternator regularly, and not operate the engine with a defective alternator.
On certain buses, the driveshaft clamp bolts may not be properly tightened. As a result, the driveshaft could detach. This could cause a loss of power to the drive wheels and disable the bus. It could also cause the driveshaft to detach completely from the vehicle.
A bus that is disabled could result in a transfer of passengers in an uncontrolled environment, which may create a risk of injury. Additionally, a driveshaft that separates from the vehicle could create a hazard for others nearby and increase the risk of a crash.
Prevost will notify owners by mail and instruct them to take their vehicle to a Prevost service center to replace and ensure the driveshaft clamps are tightened correctly.
On certain buses, the brightness of the lights for the dashboard controls and indicators cannot be adjusted. Canadian regulations require an adjustment for the brightness of these lights.
During nighttime operation, if the lights for the controls and indicators are too bright, a driver’s vision could be affected. This could create an increased risk of a crash.
Prevost will notify owners by mail and instruct them to take their vehicle to a Prevost service center to install a controller for adjusting the brightness of the lights for the controls and indicators.
Under certain high-altitude and heavy load conditions, the engine could overheat. This could cause the engine to lose power or fail.
A loss of engine power or an engine failure could increase the risk of a crash. If the bus is disabled, the transfer of passengers to another bus in an uncontrolled environment could also create a risk of injury.
Prevost will notify owners by mail and instruct them to take their vehicle to a Prevost or Volvo service center to update the engine software.
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