{
  "owners": null,
  "title": "Mack recall 21V574 (SC0428): 2022 Medium-Duty Trucks",
  "url": "https://carsmultiverse.com/recall/21v574/",
  "summary": "Recall 21V574 (Mack): Loose suspension bolts can detach, possibly resulting in a loss of vehicle control and increasing the risk of a crash.",
  "excerpt": "Mack Md, model year 2022. Filed by Mack Trucks, Inc. and reported to NHTSA on 27 July 2021. 60 vehicles potentially affected. What the notice says Mack Trucks, Inc. (Mack) is recalling certain 2022 Medium-Duty Trucks. The spring hanger brackets on the front suspension may have loose bolts. 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 Mack's own number for this recall: SC0428. That is the number on the owner letter and on the dealer paperwork. 21V574 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: “Loose suspension bolts can detach, possibly resulting in a loss of vehicle control and increasing the risk of a crash.” 21V574 Mack Trucks, Inc. Suspension:Front:Springs:Leaf Spring Assembly:Hanger,Bracket 27 July 2021 2022-2022 MACK MD Loose suspension bolts can detach, possibly resulting in a loss of vehicle control and increasing the risk of a crash. Dealers will tighten the spring hanger bracket bolts, free of charge. Owner notification letters were mailed on August 17, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's nu",
  "register": {
    "authority": "NHTSA",
    "country": "United States",
    "index": "https://carsmultiverse.com/changed/"
  },
  "datePublished": "2026-08-23T21:57:11+00:00",
  "dateModified": "2026-09-16T19:42:00+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Mack recall 21V574 (SC0428): 2022 Medium-Duty Trucks\", https://carsmultiverse.com/recall/21v574/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}