GM Service Manual Online
For 1990-2009 cars only

Caution: Do not drain the fuel into an open container. Never store the fuel in an open container due to the possibility of a fire or an explosion.

Notice: Do not drain fuel through the fuel tank filler pipe in order to prevent damage to the fuel tank filler pipe check-ball.

  1. Relieve the fuel system fuel pressure. Refer to Fuel Pressure Relief .
  2. Raise the vehicle.
  3. Disconnect the fuel return pipe quick connect fitting. Refer to Metal Collar Quick Connect Fitting Service .
  4. Use a hand operated pump device to drain as much fuel through the fuel return pipe as possible.
  5. Reconnect the fuel return pipe quick connect fitting. Refer to Metal Collar Quick Connect Fitting Service .
  6. Lower the vehicle.