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. Loosen the fuel tank filler pipe cap.
  3. Remove the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .
  4. Use a hand operated fuel pump device in order to drain the fuel through the fuel sender access panel.