The Chevrolet VEnture, Oldsmobile Silhouette and Pontiac Montana minivans may have an inoperative fuel tank rollover valve. This could allow fuel leakage during a vehicle rollover. This could result in a fire. Dealers will inspect for inoperative rollover valves and replace affected fuel tanks.
Engine
IN A VEHICLE ROLLOVER ACCIDENT, IF AN IGNITION SOURCE IS PRESENT, A FIRE COULD RESULT.