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On the Ground

  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
    2. Fig 1: Installing Quick Connect Fitting & Drain Hose To Fuel Feed Line
    GM893315Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the fuel feed line at the fuel rail and install a 3/8 in x 1/4 in quick connect into fuel feed line.
  3. Connect a suitable drain hose to the other end of the adapter and connect the drain hose into a certified fuel handling cart.
  4. Connect a scan tool to the vehicle and turn the ignition ON.
  5. Energize the fuel pump using the scan tool. Refer to Fuel Pressure Relief Procedure 
  6. Pump out the fuel until no more than 1/4 tank remains.
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