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Refrigerant Line: Replacement

WARNING: This page is about a different car, the 2003 Lexus LS 430. 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: HVAC Component Torque Specifications
    G01317250Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. EVACUATE AIR IN REFRIGERATION SYSTEM AND CHARGE WITH REFRIGERANT 

    Specified amount: 

    1. Single A/C: 650 +/- 50 g (22.93 +/- 1.76 oz.) 
    2. Dual A/C: 900 +/- 50 g (31.74 +/- 1.76 oz.) 

  5. INSPECT FOR LEAKAGE OF REFRIGERANT 

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

  6. INSPECT AIR CONDITIONER OPERATION