GMC · Canada · Mod
GMC G Series, P Series: Brakes
Affects GMC G Series, P Series · 1976–1977 — about 1K vehicles.
The hazard
On certain G3 and P30 vehicles, the brake master cylinder reservoir mounting bolts were improperly processed and may break. If the bolts break, a fluid leak may develop leading to a partial or complete loss of the hydraulic brake system.
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