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Refrigerant Line: Replacement

WARNING: This page is about a different car, the 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM 
  2. REPLACE FAULTY TUBE OR HOSE 
    NOTE: Cap the open fittings immediately to keep moisture or dirt out of the system.
  3. TIGHTEN JOINT OF BOLT OR NUT TO SPECIFIED TORQUE 
    NOTE: Connections should not be torqued tighter than the specified torqued.
    Fig 1: Air Conditioning System Parts Tightening Torque Specifications
    G01157392Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. EVACUATE AIR FROM REFRIGERATION SYSTEM AND CHARGE WITH REFRIGERANT 
    1. Specified amount: 650 +/- 50 g (22.92 +/- 1.76 oz.) 
  5. INSPECT FOR LEAKAGE OF REFRIGERANT 

    Using a gas leak detector, check for leakage of refrigerant.

  6. INSPECT AIR CONDITIONING OPERATION