Engine Size: 1.8 lite
Refrigerant Type: R134A
Ambient Temp: 80*F
Pressure Low: 30 psi
Pressure High: 199 psi
Country of Origin: Canada
Has anyone come across a refrigerant leak on a 2002 Corrola at the discharge hose to condenser fitting O-ring? Mine has had a minor leak for a year or two so yesterday I replaced the O-ring (twice) and the leak is still present. I sure would like to know if there is any past experience with this before I tackle it for a third time? I'm using a TIFZX-1 electronic detector and it continues to pinpoint a leak at the compressor discharge hose to condenser fitting. I've solvent cleaned and purged the area with compressed air several times before leak testing. Any help or tip is certainly appreciated.
Solvents will give false readings to a leak detector-- be sure you still have the leak-- time for some big blu or even soap bubbles....
The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......
If the metal is corroded or otherwise damaged at the spots where the o-ring seals to it, it will leak. I agree though try a different leak testing method to confirm.
Make sure the sealing surfaces are clean with no defects, and the o-ring is lubricated.
Toytota lines tend to crack either where the o-Ring is or right above the O-Ring and below the nut if it's that style.
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