GMC · Canada · High
GMC P Series: Fuel System
Affects GMC P Series · 1977–1978 — about 89 vehicles.
The hazard
Certain P30 vehicles were stored in direct sunlight with temperature high enough to melt the fusible fuel tank vent plug (prior to body installation). This plug is designed to melt and vent the fuel tank whenever the tank is subjected to excessive heat and/or pressure.
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