GMC · Canada · Crit
GMC C Series: Fuel System
Affects GMC C Series · 1984 — about 19 vehicles.
The hazard
On certain C20 propane fueled trucks, the swivel nut on the lower fitting of the 80 percent fuel fill line may have developed a crack during assembly. When the 80 percent shut-off valve is opened during fuel fill, the possibility of propane leakage exists creating a fire hazard.
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