GMC · Canada · High
GMC Astro, Titan +4 more: Brakes
Affects GMC Astro, Titan, General, Bison, Bruin, Brigadier · 1977–1980 — about 171 vehicles.
The hazard
Certain trucks may not comply with CMVSS 121 which requires a split braking system operating separately and independently on two axles.
What to do
Contact your dealer; the remedy details were not included in the filing.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational