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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 762 (HEATER & AIR CONDITIONER)AIR CONDITIONING SYSTEMPRECAUTION
2004 Toyota Matrix XR, FWD, Standard

Air Conditioning System: Precaution

2004 Toyota Matrix XR, FWD, StandardSECTION Precaution
WARNING: This page is about a different car, the 2004 Lexus ES 330, 2003 Lexus ES 300, and 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. DO NOT HANDLE REFRIGERANT IN AN ENCLOSED AREA OR NEAR AN OPEN FLAME 
    Fig 1: Precaution Of Handle Refrigerant System
    G00902777Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. ALWAYS WEAR EYE PROTECTION 
  3. BE CAREFUL NOT TO GET LIQUID REFRIGERANT IN YOUR EYES OR ON YOUR SKIN 

    If liquid refrigerant gets in your eyes or on your skin.

    1. Wash the area with lots of cool water.
      CAUTION: Do not rub your eyes or skin.
    2. Apply clean petroleum jelly to the skin.
    3. Go immediately to a physician or hospital for professional treatment.
    Fig 2: Precaution Of Liquid Refrigerant
    G00902778Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. NEVER HEAT CONTAINER OR EXPOSE IT TO NAKED FLAME 
  5. BE CAREFUL NOT TO DROP CONTAINER AND NOT TO APPLY PHYSICAL SHOCKS TO IT 
  6. DO NOT OPERATE COMPRESSOR WITHOUT ENOUGH REFRIGERANT IN REFRIGERANT SYSTEM 

    If there is not enough refrigerant in the refrigerant system oil lubrication will be insufficient and compressor burnout may occur, so take care to avoid this, necessary care should be taken.

    Fig 3: Precaution Of Operating Compressor Without Enough Refrigerant In Refrigerant
    G00902779Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. DO NOT OPEN HIGH PRESSURE MANIFOLD VALVE WHILE COMPRESSOR IS OPERATING 

    If the high pressure valves opened, refrigerant flows in the reverse direction and could cause the charging cylinder to rupture, so open and close the only low pressure valve.

  8. BE CAREFUL NOT TO OVERCHARGE SYSTEM WITH REFRIGERANT 

    If refrigerant is overcharged, it causes problems such as insufficient cooling, poor fuel economy, engine overheating etc.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.