{
  "owners": null,
  "title": "Canadian recall 1977046 (GMC and 1 more), 1977: Brakes",
  "url": "https://carsmultiverse.com/canada/recall-1977046/",
  "summary": "Transport Canada recall 1977046, GMC, CHEVROLET C SERIES, 1977-08-16. On certain C30 vehicles, the master cylinder to hydraulic brake booster attaching bolts.",
  "excerpt": "Gmc C Series. Published by Transport Canada as 1977046 on 16 August 1977. System: Brakes. What the notice says On certain C30 vehicles, the master cylinder to hydraulic brake booster attaching bolts may have been over tightened resulting in stripped threads and/or cracking of the booster casting. This could result in the master cylinder separating from the brake booster during a brake application and may cause a loss of … 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. On certain C30 vehicles, the master cylinder to hydraulic brake booster attaching bolts may have been over tightened resulting in stripped threads and/or cracking of the booster casting. This could result in the master cylinder separating from the brake booster during a brake application and may cause a loss of vehicle control without prior warning. 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 official notice: Transport Canada recall 1977046 . The Canadian register on this site GMC is named on 561 notices in the copy of Transport Canada’s register held here, of which these are the nearest to this one in time. 1977035 · 15 July ",
  "register": {
    "authority": "Transport Canada",
    "country": "Canada",
    "index": "https://carsmultiverse.com/canada/"
  },
  "datePublished": "2026-09-05T14:21:36+00:00",
  "dateModified": "2026-09-05T14:21:36+00:00",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "citation": "CarsMultiverse, \"Canadian recall 1977046 (GMC and 1 more), 1977: Brakes\", https://carsmultiverse.com/canada/recall-1977046/, licensed CC BY 4.0.",
  "note": "CarsMultiverse is an independent record, not a safety authority. To act on a recall, use the official register."
}