{
  "owners": null,
  "title": "Canadian recall 1979131 (Chevrolet and 1 more), 1975 to 1978: Brakes",
  "url": "https://carsmultiverse.com/canada/recall-1979131/",
  "summary": "Transport Canada recall 1979131, CHEVROLET, GMC J9500, M9500, F9500, H7500, T6500, N9500, H9500, M6500,, 1979-07-27. MEDIUM AND HEAVY DUTY TRUCKS EQUIPPED.",
  "excerpt": "Chevrolet J9500, M9500, F9500, H7500, T6500, N9500. Published by Transport Canada as 1979131 on 27 July 1979. System: Brakes. What the notice says Medium and heavy duty trucks equipped with eaton anti-lock air brake system. the piston in the anti-lock relay valves may expand when exposed to certain fluid contaminates which may be found in the air brake system. expanded pistons can stick or jam in the valves and prevent air delivery to the bvrake chambers … 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. MEDIUM AND HEAVY DUTY TRUCKS EQUIPPED WITH EATON ANTI-LOCK AIR BRAKE SYSTEM. THE PISTON IN THE ANTI-LOCK RELAY VALVES MAY EXPAND WHEN EXPOSED TO CERTAIN FLUID CONTAMINATES WHICH MAY BE FOUND IN THE AIR BRAKE SYSTEM. EXPANDED PISTONS CAN STICK OR JAM IN THE VALVES AND PREVENT AIR DELIVERY TO THE BVRAKE CHAMBERS CAUSING A LOSS OF BRAKING POWER ON THE AFFECTED AXLE. THIS CONDITION WOULD RESULT IN LONGER STOPPING DISTANCES. 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 the recall covers. To act on a recall, use the of",
  "register": {
    "authority": "Transport Canada",
    "country": "Canada",
    "index": "https://carsmultiverse.com/canada/"
  },
  "datePublished": "2026-09-05T13:58:51+00:00",
  "dateModified": "2026-09-05T13:58:51+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Canadian recall 1979131 (Chevrolet and 1 more), 1975 to 1978: Brakes\", https://carsmultiverse.com/canada/recall-1979131/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}