it can last tell my but-thole is tight.
you can buy the right refrigerant over the counter at checker auto or auto zone, the correct refrigerant is 134a
If your 1993 Toyota Corolla is blowing hot air, it might have a refrigerant leak in the cooling system. You can try replacing the refrigerant with a kit found at most auto parts stores, but if the leak is large, this fix will not last long. You might also have a compressor failure.
Until a leak develops which allows the refrigerant to escape.
The shelf life of clean, dry refrigerant is indefinite. As long the the system is free of contaminants, the freon will be good.
REFRIGERANT 134A, CAN BE PURCHASE AT ANY LOCAL AUTO PARTS STORE.
Freon, or refrigerant, in a residential central air conditioning system can last for many years, typically as long as the system is functioning properly and is not leaking. Under normal conditions, the refrigerant should not need to be replaced. However, if there is a leak or the system is not cooling effectively, it may require a recharge or replacement of the refrigerant. Regular maintenance can help ensure the longevity of the refrigerant and the overall efficiency of the system.
The refrigerant (freon) in any air conditioner should last the life of the unit. If not, you have a leak.
High pressure vapor.
Freon, or refrigerant, in a car's air conditioning system can last several years, typically between 1 to 3 years, depending on the system's condition and whether there are any leaks. If the system is well-maintained and leak-free, the refrigerant can last longer. However, if there are leaks or other issues, the refrigerant may need to be recharged more frequently. Regular maintenance can help ensure optimal performance and longevity of the refrigerant.
Most last 4-6 years
It is not gone, they still produce vehicles in Michigan.
R-134a, available at auto parts stores