What Replaces R12 Refrigerant? - Fixanswer

Discard any R12 refrigerant still in the system by taking your vehicle to a licensed air-conditioning professional. …
Open the engine compartment of your vehicle. …
Push the high side retrofit R134a fitting over the old fitting and use a wrench to tighten it.

Can you use 134a in place of R12?

R134a is a safer replacement for R12

. Another major difference is the type of oil both refrigerators require. R12 is compatible with mineral oil, and most R12 systems use this. R134a uses Polyalkylene Glycol (PAG) oil.

Is 134a the same as R12?

R12 and

134a

are refrigerants used in car air conditioning systems. R12 was used in most cars and trucks until 1995 when it was replaced with 134a. … The main difference between the two is that R12 is the amount of time they remain in earth’s atmosphere, with the newer 134a significantly less than the old R12.

Can I still buy R12 refrigerant?

R12 is difficult to find now a days. It was phased out all the way back in 1994 and was replaced with R-134a.

There are very few places where you can actively buy R-12 today

.

Can I replace R12 with r600?

With regard to R600a

How much is 134a in a R12 system?

Charge with 134a

between 70-80% of the original R12 charge amount

. Note: Hot gas valve will need to be adjusted during the charging process to properly adjust the low side by-pass pressure to 20psi. Replace any O-rings with 134a compatible.

How much does it cost to convert R12 to R134a?

It will generally cost you

about $200

to have a mechanic convert an AC system for you. If you want to replace a vehicle’s AC system, it will cost between $1,500 and $4,000 with an average cost of $2,750. If you decide to have a professional work on your car, you will have several options for where to get the work done.

Why did we stop using R12?

In conclusion folks R-12 Freon was

banned due to the damage that it caused to the Ozone layer

. The Chlorine found in CFC refrigerants like R-12 would not break down in the atmosphere when vented or leaked. The Chlorine would then erode the Ozone bit by bit.

When did cars stop using R12 refrigerant?

For many years, R12 was the automotive refrigerant standard. It was effective and cheap. However, scientists quickly discovered its sinister secret: It was partially responsible for the rapidly-depleting ozone layer. In

1994

, it was banned from all new cars sold in the US.

How do I know if my car is R12 or r134?

To tell if it has been converted you can look for a sticker on the unit under the hood, which would indicate that it is

R134a

. And you can also look for R134a adapters, which would be located on the charge parts.

Is R290 same as r600?

For those not familiar with these refrigerants yet, it’s worth noting that R600a or isobutane, is mainly used in household refrigerators and some types of commercial equipment, while

R290, or propane

, is an alternative increasingly more present in commercial equipment.

What is the back pressure of R600a?

Equalising pressure (psig):

58/58

for R600a and 128/128 for R290 for low back pressure. Peak pressure (discharge) (psig): 145 for R600a and 360 for R290 for low back pressure. Stabilised discharge pressure (psig): 113 for R600a and 290 for R290 for low back pressure.

Can r600 replace R290?

R290 can also be mixed with R600a

as a zeotropic mixture to replace R134a in home refrigerators, and was proved by many researchers [30][31]. … … R290 possesses very good thermophysical properties, such as lower viscosity and higher thermal conductivity, leading to better COP than R22 when properly designed [30].

When retrofitting an AC system from R12 to R134a what oil should be recommended?

R-134a systems require

PAG (polyalkylene glycol) oil of a certain grade

. PAG oil is hygroscopic, meaning that it readily absorbs moisture from the air. Never leave the cap loose when storing PAG refrigerant oil. Some manufacturers recommend using less hygroscopic POE (Polyol Ester) oil instead of PAG after a retrofit.

Can you put R22 in a R12 system?

R12 and R22 are both now banned by the EPA in the United States

. Other more environmentally friendly alternatives exist, but even those cannot be changed in air conditioners or other refrigeration units with R12 without a thorough cleaning of the unit.