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Blue Bird Vision Transit Bus Recall 21V285: Brakes May Apply Unexpectedly, Raising Crash Risk

NHTSA campaign 21V285, reported April 22, 2021, 96 vehicles potentially affected.

What this recall means for you

A retainer in the SC-3 single check valve may not be properly seated, so the valve may not isolate source air when pressure is applied. This means the air brake system may not perform as required under Federal Motor Vehicle Safety Standard 121, and the spring brakes may apply unintentionally.

Unintended spring brake application can cause the bus to slow or stop without warning, which increases the risk of a crash.

An authorized Blue Bird dealer will replace the SC-3 check valves free of charge. Owners who have questions can contact Blue Bird customer service at 1-478-822-2242, referencing recall R21BE-NSB. You can also check your vehicle identification number (VIN) for any 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 21V285Blue Bird Body Company
Component
SERVICE BRAKES, AIR
Problem
Blue Bird Body Company (Blue Bird) is recalling certain 2022-2022 Vision and All American transit buses. A retainer was not properly seated in the SC-3 single check valve and may not provide source air isolation when pressure is applied. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake System."
Risk
Unintended spring brake application may occur, increasing the risk of a crash.
Remedy
Dealers will replace the SC-3 check valves, free of charge. Owner notification letters were on mailed November 18, 2021. Owners may contact Blue Bird customer service at 1-478-822-2242. Blue Bird's number for this recall is R21BE-NSB.
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

Blue Bird ALL American Transit Bus2022
Blue Bird Vision Transit Bus2022