LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2002 >> LS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 175 (Air Conditioning System) >> Air Conditioning System >> Refrigerant Line >> Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Refrigerant Line: Replacement

WARNING: This page is about a different car, the 2003 Lexus LX 470. 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: Do not tighten the connections more than specified.
    Fig 1: Refrigerant Line Torque Specifications Chart
    G01352400Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. EVACUATE AIR FROM REFRIGERATION SYSTEM AND CHARGE SYSTEM WITH REFRIGERANT 

    Specified amount: 1,050 +/- 50 g (37.03 +/- 1.76 oz.) 

  5. INSPECT FOR LEAKAGE OF REFRIGERANT 

    Using a gas leak detector, check for leaks of refrigerant

  6. INSPECT AIR CONDITIONING OPERATION