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Proterra Catalyst Recall 20V664: Steering Gear Bolts May Loosen, Risking Loss of Steering

NHTSA campaign 20V664, reported October 28, 2020, 5 vehicles potentially affected.

What this recall means for you

Some Proterra Catalyst buses may lack the plexus adhesive between the torque plate and the chassis. Over time, the bolts securing the steering gear box can loosen, which could cause the driver to lose the ability to steer the bus and increase the risk of a crash or injury.

Owners will be notified by Proterra. Dealers will inspect the steering gear mounting bolts and the plexus adhesive layer between the torque plate and the chassis. If the adhesive layer is missing or insufficient, the components will be repaired at no cost to you. The recall began December 10, 2020.

You can contact Proterra customer service at 1-864-438-0000, referencing recall number SC-20-154. You should also check your vehicle identification number (VIN) for open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 20V664Proterra Inc.
Component
STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
Problem
Proterra Inc. (Proterra) is recalling certain 2018-2020 35 foot and 40 foot Catalyst buses. Lack of plexus adhesive between the torque plate and the vehicle chassis may cause the bolts securing the steering gear box to loosen.
Risk
An unsecured steering gear box could cause the driver to lose the ability to steer the vehicle, increasing the risk of crash or injury.
Remedy
Proterra will notify owners, and dealers will inspect the steering gear mounting bolts and the plexus adhesive layer between the torque plate and the chassis. If the plexus adhesive layer is missing or insufficient, the components will be repaired, free of charge. The recall began December 10, 2020. Owners may contact Proterra customer service at 1-864-438-0000. Proterra's number for this recall is SC-20-154.
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.safercar.gov.

Affected vehicles

Proterra Catalyst201820192020