{
  "owners": null,
  "title": "Blue Bird recall 21V284 (R21BE-SB): 2020-2022 Vision and All American School Buses",
  "url": "https://carsmultiverse.com/recall/21v284/",
  "summary": "Recall 21V284 (Blue Bird): Unintended spring brake application may occur, increasing the risk of a crash. Blue Bird's own number: R21BE-SB.",
  "excerpt": "Blue Bird All American, Blue Bird Vision, model years 2020 to 2022. Filed by Blue Bird Body Company and reported to NHTSA on 22 April 2021. 1,634 vehicles potentially affected. What the notice says 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 … Is your vehicle included? Check with your VIN at NHTSA , or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on. CarsMultiverse / Recalls Blue Bird's own number for this recall: R21BE-SB. That is the number on the owner letter and on the dealer paperwork. 21V284 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways. Answered from the register this site holds. NHTSA is the record to act on. What the authority says can happen if this is not fixed: “Unintended spring brake application may occur, increasing the risk of a crash.” 21V284 Blue Bird Body Company Service Brakes, Air 22 April 2021 2020-2022 BLUE BIRD ALL AMERICAN, BLUE BIRD VISION Unintended spring brake application may occur, increasing the risk of a crash. Dealers will replace the SC-3 check valves, free ",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T21:48:08+00:00",
  "dateModified": "2026-09-16T19:13:23+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Blue Bird recall 21V284 (R21BE-SB): 2020-2022 Vision and All American School Buses\", https://carsmultiverse.com/recall/21v284/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}