{
  "owners": null,
  "title": "Canadian recall 2021242 (Blue Bird), 2022: Brakes",
  "url": "https://carsmultiverse.com/canada/recall-2021242/",
  "summary": "Transport Canada recall 2021242, BLUE BIRD TX4 SCHOOL BUS, VISION SCHOOL BUS, 2021-04-22. Issue: On a small number of school buses, a check valve within the.",
  "excerpt": "Blue Bird Tx4 School Bus, Vision School Bus. Published by Transport Canada as 2021242 on 22 April 2021. System: Brakes. What the notice says Issue: On a small number of school buses, a check valve within the air brake system may not have been assembled correctly. As a result, there could be an air pressure leak if there is a secondary brake circuit failure. This could cause the parking brakes to apply suddenly. Note: This recall only affects school … Is your vehicle included? Check with your VIN at Transport Canada , 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. Issue: On a small number of school buses, a check valve within the air brake system may not have been assembled correctly. As a result, there could be an air pressure leak if there is a secondary brake circuit failure. This could cause the parking brakes to apply suddenly. Note: This recall only affects school buses built with a Bendix air brake system. Safety Risk: A parking brake that self-applies while driving could increase the risk of a crash. Corrective Actions: Blue Bird will notify owners by mail and instruct you to take your bus to a dealer to inspect, and if necessary, replace the SC-3 check valve. The wording above is the department's own, as it stood in the monthly file this site last read. Vehicle counts are the sum of the counts published for each make an",
  "register": {
    "authority": "Transport Canada",
    "country": "Canada",
    "index": "https://carsmultiverse.com/canada/"
  },
  "datePublished": "2026-09-05T14:17:04+00:00",
  "dateModified": "2026-09-05T14:17:04+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Canadian recall 2021242 (Blue Bird), 2022: Brakes\", https://carsmultiverse.com/canada/recall-2021242/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}