Fuel Fill Pipe

Fig 1: View Of Fuel Fill Pipe

Courtesy of GENERAL MOTORS CORP.

In order to prevent refueling with leaded fuel, the fuel filler pipe has a built-in restrictor and a deflector. The opening in the restrictor will accept only the smaller unleaded gasoline fuel nozzle which must be fully inserted in order to bypass the deflector. The tank is vented during filling by an external vent tube that runs along side of the filler pipe.