GMC · Canada · Crit
GMC School Bus: Fuel System
Affects GMC School Bus · 1986–1989 — about 4K vehicles.
The hazard
THE FUEL TANK MAY EXHIBIT A CRACK ADJACENT TO THE SEAM WELD ATTACHING THE TANK END CAP. THIS CRACK CAN MANIFEST ITSELF AS EITHER A DAMP SPOT OR A SLIGHT DRIPPING. IN THE PRESENCE OF AN IGNITION SOURCE, A FIRE COULD RESULT. CORRECTION: LIMITER CUSHIONS WILL BE INSTALLED ON THE TANK SUPPORT BRACKETS. ALSO, FUEL TANK WILL BE INSPECTED FOR CRACKS AND REPLACED IF NECESSARY.
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