{
  "owners": null,
  "title": "Canadian recall 1985138 (Mack), 1984 to 1985: Brakes",
  "url": "https://carsmultiverse.com/canada/recall-1985138/",
  "summary": "Transport Canada recall 1985138, MACK MS300, MS250, MIDLINER, 1985-12-04. THE AXLE MOUNTED SUPPORT BRACKET FOR THE QUICK RELEASE VALVES MAY CRACK RESULTING.",
  "excerpt": "Mack Ms300, Ms250, Midliner. Published by Transport Canada as 1985138 on 4 December 1985. System: Brakes. What the notice says The axle mounted support bracket for the quick release valves may crack resulting in the valves being supported only by steel air lines. this could cause fatigue failure of the steel air lines leading to the rear parking brakes and chassis service brakes. the sudden loss of air to the brake chambers will result in … 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. THE AXLE MOUNTED SUPPORT BRACKET FOR THE QUICK RELEASE VALVES MAY CRACK RESULTING IN THE VALVES BEING SUPPORTED ONLY BY STEEL AIR LINES. THIS COULD CAUSE FATIGUE FAILURE OF THE STEEL AIR LINES LEADING TO THE REAR PARKING BRAKES AND CHASSIS SERVICE BRAKES. THE SUDDEN LOSS OF AIR TO THE BRAKE CHAMBERS WILL RESULT IN AUTOMATIC ACTUATION OF THE SPRING LOADED REAR PARKING BRAKE AND SUDDEN REAR WHEEL LOCK-UP. THIS COULD RESULT IN LOSS OF VEHICLE CONTROL AND A CRASH WITHOUT PRIOR WARNING. Transport Canada recorded this notice in capitals, as its system did for many years. It is reproduced here exactly as published. 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 and model th",
  "register": {
    "authority": "Transport Canada",
    "country": "Canada",
    "index": "https://carsmultiverse.com/canada/"
  },
  "datePublished": "2026-09-05T14:09:44+00:00",
  "dateModified": "2026-09-05T14:09:44+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Canadian recall 1985138 (Mack), 1984 to 1985: Brakes\", https://carsmultiverse.com/canada/recall-1985138/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}