GM Service Manual Online
For 1990-2009 cars only

    Caution: Refer to General Repair Instructions in the Preface section.

    Caution: Refer to Safety Glasses Caution in the Preface section.

    Caution: Refer to Fuel Pressure Relief in the Preface section.

  1. Park the vehicle in a well ventilated area, away from any ignition source.
  2. Caution: Refer to Battery Disconnect Caution in the Preface section.

  3. Disconnect the battery ground cable. Refer to Battery Negative Cable Disconnection and Connection.
  4. Caution: Refer to Vehicle Lifting Caution in the Preface section.

  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

  6. Object Number: 1963313  Size: SH

    Important: Support the LPG tank fitting when removing the fill line fitting (1).

  7. Disconnect the fill line fitting (1) from the LPG tank.

  8. Object Number: 1963312  Size: SH
  9. Connect an Apollo LPG pump (1) or equivalent to the manual service valve assembly connection.
  10. Open the manual service valve and pump-out the LPG tank, following the instructions provided by the LPG pump manufacturer.
  11. Pump-out the LPG tank until completely empty.
  12. When the LPG tank is completely empty, close the manual service and disconnect the pump.