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Precautions for Refrigerant Connection: Removal

WARNING: This page is about a different car, the 2004 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Removing Procedure Of One Touch Joint
G00731267Courtesy of NISSAN MOTOR CO., U.S.A.
  1. Clean piping connection point, and set a disconnector.
  2. Slide disconnector in axial direction of piping, and stretch garter spring with tapered point of disconnector.
  3. Slide disconnector farther so that inside diameter of garter spring becomes larger than outside diameter of female-side piping flare. Then male-side piping can be disconnected.