The defect
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."
The risk
Unintended spring brake application may occur, increasing the risk of a crash.
The 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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Blue Bird ALL American School Bus | 2020, 2021, 2022 |
| Blue Bird Vision School Bus | 2020, 2021, 2022 |
Components: SERVICE BRAKES, AIR
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Blue Bird ALL American School Bus | 2020 | 4 | 20 |
| Blue Bird ALL American School Bus | 2021 | 0 | 18 |
| Blue Bird ALL American School Bus | 2022 | 2 | 10 |
| Blue Bird Vision School Bus | 2020 | 0 | 29 |
| Blue Bird Vision School Bus | 2021 | 1 | 26 |
| Blue Bird Vision School Bus | 2022 | 0 | 17 |
Other service brakes, air recalls in 2021
14 of the 988 recall campaigns reported to NHTSA in 2021 concerned the service brakes, air; Blue Bird Body Company filed 162 campaigns in all.
| 21V914000 22 Nov 2021 | Daimler Trucks North America, LLC |
| 21V883000 12 Nov 2021 | Timpte, Inc. |
| 21V720000 16 Sept 2021 | PACCAR Incorporated |
| 21V573000 27 Jul 2021 | Mack Trucks, Inc. |
| 21V383000 24 May 2021 | Great Dane Trailers |
| 21V328000 10 May 2021 | PACCAR Incorporated |
| 21V285000 22 Apr 2021 | Blue Bird Body Company |
| 21V227000 1 Apr 2021 | Navistar, Inc. |
NHTSA recalls (public domain) · all recalls of 2021