Avalon 1995-1996

Leak Testing

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Specific to:

Toyota Avalon 1995-1996

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Perform in these conditions:
    1. Stop the engine.
    2.  
    3. Secure good ventilation (If not, the gas leak detector may react to volatile gases which are not refrigerant, such as evaporated gasoline and exhaust gas.)
    4.  
    5. Repeat the test 2 or 3 times.
    6.  
    7. Make sure that there is some refrigerant remaining in the refrigeration system. When compressor is OFF: approximately 57-35 psi (392-588 KPa)
    8.  

  4.  
  5. Bring the gas leak detector close to the drain hose before performing the test.
    NOTE
    After the blower motor is stopped, leave the cooling unit for more than 15 minutes.


    NOTE
    Expose the gas leak detector sensor the under the drain hose.


    CAUTION
    When bringing the gas leak detector close to the drain hose, make sure that the gas leak detector does not react to the volatile gases. If such reaction is unavoidable, the vehicle must be lifted up.

  6.  
  7. If gas leak is not detected on the drain hose, remove the blower resistor from the cooling unit. Then insert the gas leak detector sensor into the unit and perform the test.
  8.  
  9. Disconnect the connector and leave the pressure switch for approximately 20 minutes. Then bring the gas leak detector close to the pressure switch and perform the test.
  10.  
  11. Bring the gas leak detector close to the refrigerant lines and perform the test.
  12.  

 
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