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Fuel Tank Draining Procedure

WARNING: This page is about a different car, the 2005 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Fuel Fill Hose & Hose Clamps
    GM832912Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Gasoline/Gasoline Vapors Caution in Cautions and Notices.
  1. Loosen the fuel filler cap in order to relieve the fuel tank vapor pressure.
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Loosen the fuel fill hose clamp.
  4. Disconnect the fuel fill hose from the fuel fill pipe.
  5. Use a hand or air operated pump device in order to drain as much fuel through the fuel fill hose as possible.