2011 Prevost X3 problems

What is wrong

Prevost Cars, Inc.(Prevost) is recalling certain model year 2009-2011 XL2, XL2 Shells, X3 Shell Converted Coaches, and X3 motorcoaches manufactured January 1, 2009, to December 31, 2011, and equipped with an automatic fire suppression system (AFSS) pressure tank in the engine compartment. The tank's pressure relief valve may not withstand the temperatures in the engine compartment, resulting in the venting of the extinguishing agent.

Risk

If the event of a fire, if the pressure tank has previously vented, the system would not be functional to help extinguish the fire, increasing the risk of injury.

Remedy

Prevost will notify owners, and dealers will relocate the tank, free of charge. Owners were mailed interim notices on February 2, 2015. A second notice for owners to obtain the remedy was mailed on May 21, 2015. Owners may contact Prevost customer service at 1‑877‑773‑8678. Prevost's number for this recall is SR15-01.

Recall number 14V771000 · Recall details

What is wrong

Prevost Cars, Inc. (Prevost) is recalling certain model year 2011-2012 XLII and X3 shell converted coaches manufactured with an Automatic Fire Suppression System (AFSS) pressure tank in the engine compartment. In the affected vehicles, due to engine compartment temperatures, the AFSS pressure relief tank may discharge its fire extinguishing agent.

Risk

If the AFSS tank discharges and there is a vehicle fire, the Automatic Fire Suppression System will be unavailable to assist in extinguishing the vehicle fire, increasing the risk of injury.

Remedy

Prevost will notify owners, and dealers will relocate the pressure relief tank, free of charge. The recall began on April 12, 2014. Owners may contract Prevost at 1‑877‑773‑8678. Prevost's number associated with this recall is SR14-16.

Recall number 14V096000 · Recall details

What is wrong

Prevost is recalling certain model year 2010-2013 H3 and X3 coaches and MTH XLII-45E coach shells manufactured between June 29, 2009, up to June 4, 2012, and equipped with an Automatic Fire Detection and Suppression System (AFSS). There is the possibility that the AFSS could unintentionally activate due to wear of the linear thermal detection cable.

Risk

An activation of the AFSS causes the vehicle to come to an unplanned stop. This could increase the risk of a vehicle crash or personal injury.

Remedy

Prevost will notify owners, and dealers will inspect and repair the linear thermal detector by adding a protective sheath, free of charge. The recall began in March 2013. Owners may contact Prevost at 1‑418‑883‑2888 x 6558.

Recall number 13V015000 · Recall details

the federal safety agency's Office of Defects Investigation (ODI) opened a Preliminary Evaluation after reviewing field reports concerning alternator front bearing failures that cause elevated temperatures within the engine compartment, resulting in the fire suppression system (FSS) activating, immediately shutting the engine down, and rendering the bus inoperable.Analysis of the data provided by Prevost Car (US) Inc. showed high failure frequency and thermal events. An immediate shutdown of the bus can increase the risk of a crash or injury of bus occupants. In response to this investigation, Prevost Car (US) Inc. and Volvo Bus Corporation decided to conduct recalls 22V‑221 and 22V‑222. By submitting Part 573 Defect Information Reports on April 6, 2022, Prevost Car (US) Inc. and Volvo Bus Corporation notified ODI of a safety defect in certain model year (MY) 2010-2023 Prevost H3-45; X3-45; X3-45 Com; H3-45 VIP: X3-45 VIP and 2020 Volvo 9700 vehicles; some of these buses may have experienced thermal events after failure of the alternator front bearing, because the alternator belt continues to turn the alternator after the bearing failure.These recall actions address the safety concern that led to the opening of this investigation.Therefore, with these recall actions, this investigation is closed. The recalls encompass all model and MY vehicles addressed by the investigation. However, the closing of this investigation does not constitute a finding by the federal safety agency that a safety-related defect does not exist in other model or MY vehicles outside of the recall scope. The agency reserves the right to take further action if warranted by the circumstances.

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