{
  "owners": null,
  "title": "Canadian recall 1979081 (Mack), 1974 to 1979",
  "url": "https://carsmultiverse.com/canada/recall-1979081/",
  "summary": "Transport Canada recall 1979081, MACK DMM, RS, RD, WS, DM, F, RL, U, R, WL, RM, HMM, MB, 1979-05-04. ANTI-WHEEL LOCK VALVES SUPPLIED BY EATON CORPORATION MAY.",
  "excerpt": "Mack Dmm, Rs, Rd, Ws, Dm, F. Published by Transport Canada as 1979081 on 4 May 1979. System: Not Entered. What the notice says Anti-wheel lock valves supplied by eaton corporation may be exposed to accumulated concentrations of fluid contaminants in the air brake system that could cause the piston to stick thereby preventing any air from being delivered to the air brake chambers supplied by that valve. lthis condition will result in a no … 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. Transport Canada carries this recall as 1979081 , dated 4 May 1979. The American register carries the same defect as campaign 15V015 , dated 16 January 2015. They are the same defect because the manufacturer filed both under one internal campaign code, SC113 . Number 1979081 15V015 Dated 4 May 1979 16 January 2015 Register Transport Canada NHTSA Make Mack The two registers are 13,041 days apart : the Canadian entry is dated first, the American one second. These are the dates each register records against its own notice. They are separate administrative acts in two countries, recorded by two authorities under two sets of rules, and this page does not claim that one caused the other or that owners in either country were contacted on those days. What it shows is that the same manufa",
  "register": {
    "authority": "Transport Canada",
    "country": "Canada",
    "index": "https://carsmultiverse.com/canada/"
  },
  "datePublished": "2026-09-05T10:23:06+00:00",
  "dateModified": "2026-09-05T14:45:20+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Canadian recall 1979081 (Mack), 1974 to 1979\", https://carsmultiverse.com/canada/recall-1979081/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}