GM Service Manual Online
For 1990-2009 cars only

Fuel Tank Draining with L59

    Warning: Refer to Gasoline/Gasoline Vapors Warning in the Preface section.

  1. Remove the fuel filler cap.
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Clean the area around the fuel filler pipe to tank connection.
  4. Place a drain pan under the fuel filler pipe connection.

  5. Object Number: 1863242  Size: SH
  6. Disconnect the fuel fill hose (1) at the fuel tank.
  7. Use a hand or air operated pump device in order to drain as much fuel through the fuel tank filler pipe opening as possible.
  8. Caution: Refer to Fastener Caution in the Preface section.

  9. If not removing the fuel tank, connect the fuel fill hose to the fuel tank and tighten the clamp to 2.75 N·m (24 lb in).

Fuel Tank Draining without L59

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.

    Warning: Refer to Battery Disconnect Warning in the Preface section.

  1. Disconnect the negative battery cable.
  2. Use a hand operated pump device in order to remove the fuel through the fuel filler pipe.