Vehicle recall 21V284000 · April 22, 2021
Blue Bird All American School Bus and Vision School Bus
A retainer was not properly seated in the SC-3 single check valve and may not provide source air isolation when pressure is applied.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Blue Bird Body Company (Blue Bird) is recalling certain 2020-2022 Vision and All American school 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."
- Consequence
- 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 mailed on November 18, 2021. Owners may contact Blue Bird customer service at 1-478-822-2242. Blue Bird's number for this recall is R21BE-SB.
- 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.
Recall details
- NHTSA campaign
- 21V284000
- Reported to NHTSA
- April 22, 2021
- Filed by
- Blue Bird Body Company
- Manufacturer campaign
- R21BE-SB
- Owner notification
- June 2, 2021
- Vehicles potentially affected
- 1,634
- Initiated by
- the manufacturer
- Components
- Service brakes, air
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Blue Bird All American School Bus (2020-2022): 2022, 2021, 2020
- Blue Bird Vision School Bus (2020-2022): 2022, 2021, 2020
Has your Blue Bird been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Blue Bird dealer can also check your VIN. Recall repairs are free.