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O-Ring And Refrigerant Connection: Notes

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying O-Ring And Refrigerant Connection
G00848793Courtesy of NISSAN MOTOR CO., U.S.A.
  1. High-pressure service valve
  2. Low-pressure service valve
  3. High-pressure pipe
  4. Refrigerant pressure sensor
  5. Low-pressure flexible hose
  6. High-pressure flexible hose
  7. Shaft seal
  8. Condenser
  9. Liquid tank
  10. Pressure relief valve
  11. Compressor
  12. Evaporator
  13. High/low pressure pipe
    Fig 2: Identifying High/Low Pressure Pipe
    G00848794Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION: The new and former refrigerant connections use different O-ring configurations. Do not confuse O-rings since they are not interchangeable. If a wrong O-ring is installed, refrigerant will leak at or around the connection.