Fuel Tank Draining Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Fuel Pipe/Hose Components

Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to Gasoline/Gasoline Vapors Caution in Cautions and Notices.

CAUTION: Refer to the Battery Disconnect Caution in Cautions and Notices.

Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Loosen the fuel fill hose clamp (1).
Disconnect the fuel fill hose (2) from the fuel tank.
Use a hand or air operated pump device in order to drain as much fuel from the fuel tank as possible.