Campaign 23V-740

Transmission yoke may separate, resulting in driveshaft separation and a sudden loss of drive power

Defect summary

Gillig, LLC (Gillig) is recalling certain 2019-2023 Low Floor transit buses. The transmission yoke may separate, resulting in driveshaft separation and a sudden loss of drive power.

Consequence

A sudden loss of drive power can increase the risk of a crash. Additionally, a disabled bus may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.

Remedy

Gillig will work with the equipment manufacturer, Allison Transmission Inc., to inspect and tighten the transmission yoke bolts, as necessary, free of charge. Owner notification letters were mailed December 11, 2023. Owners may contact Gillig customer service at 1-510-264-5073 or 1-800-735-1500.

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 23V740000. Text as published by NHTSA.

Vehicles covered

One product line is covered

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

Vehicles covered by campaign 23V-740
Make	Model	Model years	Complaints on this component
Gillig	LOW Floor	2019 to 2023	0

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

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

Before the recall

No service bulletins on this component preceded the recall

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-809 Dec 4, 2023
Inadequate amount of lubricant in the rear axle hubs may cause failure of the rear drive axles
23V-635 Sep 14, 2023
Driveshaft fasteners may have been improperly tightened after service repairs, allowing the driveshaft to detach
18V-665 Sep 25, 2018
Pressure switches on these Drive Units may fail, possibly resulting in a loss of drive
16V-701 Sep 29, 2016
Affected buses have axles that may have insufficient grease at the wheel ends, possibly resulting in bearing failure
91V-180 Oct 9, 1991
Hydraulic fluid leak may develop in the webster hydraulic pump
91V-179 Oct 9, 1991
Hydraulic leak may develop in the webster cooling fan