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Steve
Steve, Auto Service Technician
Category: Car
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Experience:  25+ yrs experience as a professional working technician; ASE L1 master technician
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1997 chevy: the evaporater coil does it even have one..stop leak

Customer Question

1997 chevy silverado cannot find orfice screen in bottom of condenser line or at the evaporater coil does it even have one? what happened was the air worked but it leaked.so i put stop leak in .it didnt work so i checked for leaks and the o rings were leaking so i replaced them i pumped it down add put in freon and now it doesnt cool please help
Submitted: 11 years ago.
Category: Car
Expert:  Steve replied 11 years ago.

If you put sealer in the system and then opened it up and let air contact the sealer, it has likely hardened into thick goo throughout the entire AC system. you may have to replace a lot of components to make the system operational again... I would suggesttaking this one in to an A/C shop for an accurate diagnosis of what is needed. If you replace just the orfice tube, it will likely just clog up again.


Sealers are bad news, and should never be used in an A/C system unless the vehicle is one step from being scrapped as a last resort due to problems such as this...


Expert:  Steve replied 11 years ago.
According to my service information, the orfice tube on this vehicle is located in the condenser outlet (bottom tube), where it attaches to the liquid line.
Customer: replied 11 years ago.
Reply to Steve7654's Post: i have checked there there isnt one and the new orfice tube i got doesnt fit but it cooled before i opened so i know there was one somewhere in the system is there any other place it could be?

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