Transport CanadaCritical
1984 GMC T SERIESTransport Canada Recall #1992023
The official notice
Defect
On certain vehicles, rear backing plate corrosion may result in wheel cylinder rotation and possible loss of rear brakes with resultant increase in stopping distances.
Safety Risk
No risk description available.
Remedy
External wheel cylinder retainers will be installed. Backing plates will be inspected for rust-through and should this condition exist, a new backing plate and wheel cylinder assembly will be installed.
56,891 vehicles affectedMfr ref: 2D11/92043Updated June 10, 2026