Defect Investigation Detail

PREVOST / X3-45 VIP ENTERTAINER / 2018

Components - Details
NHTSA Action Number: PE21011 Vehicale/Equipment Name: PREVOST
Vehicale/Equipment Model: X3-45 VIP ENTERTAINER Vehicale/Equipment Year: 2018
Component Name: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR Manufacturer's Name: Prevost Cars, Inc.
Date Opened: May, 13 2021 Date Closed: --
Subject: Alternator Front Bearing Failure Summary: Nhtsa's office of defects investigation (odi) is opening a preliminary evaluation after receiving a tip from a fleet safety manager 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. review of early warning reporting data identified 9 field reports for model year (my)2015 through my2019 h3 and x3 prevost buses, describing alternator failures in any of 3 alternators equipped on the bus. in some cases, a minor fire occurred damaging nearby electrical harnesses. an immediate shut down of the bus can increase the risk of a crash or injury of passengers when transferring to another bus.odi is opening this investigation to evaluate the cause, consequence, scope and frequency of the alleged defect in the subject prevost buses.