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How much does it cost to convert R12 to r134?
R12 to R134a Charge Conversion Formula (pounds only) Take the R12 charge specification and multiply it by 0.9. Then, subtract that result by 0.25 pounds to get the proper amount of R134a charge.
How do I remove R12 oil from air conditioner?
The only way to reliably convert from R-12 to R-134a is to remove the compressor and flush out all the old oil with the new type of oil; then replace the old Receiver-Dryer or Accumulator with a new one; then flush out all the lines, the evaporator, and the condensor with special cleaner then vacuum to a steady vacuum; …
Is there a replacement for R-12 refrigerant?
There are three replacement refrigerant options for R12 systems: R134a, R401a, R401b. R134a is regarded, by manufacturers and adherents to the Montreal Protocols alike, as the best replacement refrigerant.
How can I convert my R-12 to R-134a?
Steps To Convert R-12 to R-134a Take the vehicle to a repair shop licensed for A/C work that can evacuate the system of R-12 and recover it properly. Using an A/C flush kit, flush the evaporator and condenser to remove any remaining mineral oil in the system.
Do you have to change your AC system to R134a?
So, you do not need to change the AC system to R-134a. However, If your car AC has a problem then you have to change the system to the R134a system. Because refrigerant R-12 is banned and is not available in the market. Luckily, you are on the right page to convert the R12 to the R134a system.
Why is R12 not cool as well as R134a?
The result was evident- R134a could not cool as well as R12. There was also an issue with the oil used for lubrication purposes, which was washed away in the air after being absorbed by the refrigerant. The previously used oil in the car systems was not compatible with the new refrigerant as it was not dissolved.
How can I get R-12 refrigerant out of my car?
Take the vehicle to a repair shop licensed for A/C work that can evacuate the system of R-12 and recover it properly. Using an A/C flush kit, flush the evaporator and condenser to remove any remaining mineral oil in the system. Empty oil from the compressor and flush oil from high-pressure and suction lines.