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Refrigerant Connection: Installation

WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying One-Touch Joint Connection Installation Diagram
G04877935Courtesy of NISSAN MOTOR CO., U.S.A.
  1. Clean piping connection points, and insert male-side piping into female-side piping.
  2. Push inserted male-side piping harder so that female-side piping flare stretches garter spring.
  3. Garter spring seats on flare if inside diameter of garter spring becomes larger than outside diameter of female-side piping flare. Then, it fits in between male-side piping cage and female-side piping flare to anchor piping connection point.
    NOTE: When garter spring seats on flare, and fits in between male-side piping cage and female-side piping flare, it clicks.
    CAUTION:
    • Female-side piping connection point is thin and easy to deform. Slowly insert the male-side piping straight in axial direction.
    • Insert piping securely until a click is heard.
    • After piping connection is completed, pull male-side piping by hand to make sure that connection does not come loose.
    NOTE: One-touch joint connection is used in points below.
    • Low-pressure flexible hose to low-pressure pipe 2 (O-ring size: 16)
    • Low-pressure pipe 1 to low-pressure pipe 2 (O-ring size: 16)
    • High-pressure flexible hose to condenser pipe assembly (O-ring size: 12)
    • High-pressure pipe 1 to high-pressure pipe 2 (O-ring size: 8)
    • High-pressure pipe 1 to condenser pipe assembly (O-ring size: 8)