Orion II: Engine

Affects Orion II · 1994 — about 6 vehicles.

The hazard

NOTE: DUAL FUEL VEHICLES EQUIPPED WITH GM 427 ENGINES. FIRES MAY OCCUR ON THESE BUSES WHEN THEY ARE OPERATED ON COMPRESSED NATURAL GAS (CNG). FIRES CAN RESULT IN SERIOUS INJURY OR DEATH. CORRECTION: MAIN ENGINE MODULE WILL BE REMOVED AND ENGINES WILL BE INSPECTED FOR EXHAUST GAS LEAKAGE, MANIFOLD DAMAGE, IMPROPER MANIFOLD INSTALLATION, DAMAGE OR DEGRADATION OF INSULATION OR ELECTRICAL WIRING AND DAMAGE TO ANY OTHER ENGINE COMPONENT. ANY ADVERSE CONDITIONS WILL BE REPAIRED. OWNERS WILL BE INSTRUCTED NOT TO OPERATE VEHICLES ON CNG.

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