GM Service Manual Online
For 1990-2009 cars only

    Warning: Gasoline or gasoline vapors are highly flammable. A fire could occur if an ignition source is present. Never drain or store gasoline or diesel fuel in an open container, due to the possibility of fire or explosion. Have a dry chemical (Class B) fire extinguisher nearby.

  1. Loosen the fuel filler cap.
  2. Remove the fuel sender assembly. Refer to Fuel Sender Assembly Replacement.
  3. Use a hand operated pump device in order to drain the fuel through the fuel sender assembly opening on the fuel tank.
  4. Note: If you are removing the fuel tank do not connect the fuel or vapor lines. Do not connect the electrical connectors or install the access panel.

  5. Install the fuel sender assembly to the fuel tank. Refer to Fuel Sender Assembly Replacement.
  6. Tighten the fuel filler cap.