Campaign 22V-222

In the event of the alternator front bearing seizing, the alternator belt may continue to operate, causing the bearing to overheat

Defect summary

Volvo Bus Corporation (Volvo Bus) is recalling certain 2020 Volvo 9700 DOT vehicles. In the event of the alternator front bearing seizing, the alternator belt may continue to operate, causing the bearing to overheat.

Consequence

An overheated alternator bearing can increase the risk of a fire.

Remedy

Volvo Bus will replace the alternator belt, free of charge. Owner notification letters September 30, 2022. Owners may contact Volvo Bus customer service at 1-866-870-2046.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Source: NHTSA ODI recalls file, campaign 22V222000. Text as published by NHTSA.

Vehicles covered

One product line is covered

Owner complaints filed with NHTSA about electrical system on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 22V-222
Make	Model	Model years	Complaints on this component
Volvo BUS	9700	2020	0

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

This recall followed an NHTSA defect investigation

PE21011 Alternator Front Bearing Failure
Opened May 13, 2021, closed Oct 3, 2022

Before the recall

8 service bulletins on this component came first

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

23V-668 Oct 3, 2023
Fasteners that secure the power cable connections may not have been tightened securely
20V-597 Sep 29, 2020
Driver may be able to start the bus even if the starter disabling switch in the engine compartment has been activated, such as during servicing
17V-845 Dec 28, 2017
Hardware that attaches the power supply cable to the fuse box may not be properly tightened, possibly causing the power cable and fuse box to overheat
17V-173 Mar 14, 2017
These vehicles have a ground cable that may have been improperly installed, resulting in inadequate electrical contact
16V-836 Nov 18, 2016
Affected vehicles are equipped with a power feed relay for the engine and transmission which may be undersized for the application, causing the…
13V-171 May 1, 2013
Certain conditions may cause the affected coaches to go into a software controlled mode that would result in the throttle signal being fixed at…