How do I change R12 to R134a?

How do I change R12 to R134a?

How to Convert an R12 to the R134a System

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

Can you put R134a in a R12 system?

R134a systems operate at higher discharge-side pressures than R12, which can cause compressor seals to leak. Bottom line, R134a simply doesn’t cool as well as R12. The advantage of ester oil is that it works with both R12 as well as R134a, so you can fill the system with it and then use either refrigerant.

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.

Is R134a a drop in replacement for R12?

At the present time the preferred replacement refrigerant for R12 is HFC RI34a. However, R134a is not a ‘drop-in’ replacement for R12 because there is a need to change the compressor lubricant and expansion valve. Changing over from R12 to R134a can therefore be an ex-pensive and time consuming procedure.

Is there a drop in replacement for R12?

RS-24 is a “Drop-in” alternative for R12 which also provides a long term solution at the same time. It provides, therefore, a one change solution to the replacement of R12 at minimal expense.

How much does it cost to recharge R12?

Freon costs an average of $150 for a Freon refill. Most people pay between $100 and $350 for a refill, depending on the size and type of your HVAC unit. Older large r22 units can reach $600 or more….How much does r12 freon cost?

List Price:	$6.67
You Save:	$2.53 (38%)

Why R12 is banned?

Conclusion. 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.

What year did they stop using Freon in cars?

1994

How do you tell if your car has been converted to 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.

Are R12 and r134 fittings different?

R134a service fittings are totally different than R12 fittings. The R134a fittings are larger than R12 fittings. Good to know about the fittings.

What happens if you put the wrong refrigerant in your car?

When using these types of propane refrigerants it is possible that they could combust when putting them in units where they are not designed. This can cause great bodily harm, property damage, and in a severe case even death.

What refrigerant is compatible with R12?

R134a

What size is R12 fitting?

The low-side R12 port is always 1/4″ male flare thread. While the high-side is usually the same size as the low, in certain applications it could be a smaller 3/16″ male flare.

What is fitting size for R410A?

Please note the R410 with the 5/16″ SAE thread, so you need extra M-1/4″ SAE x F-5/16″ SAE adapter. UNIQUE DESIGN & EASY INSTALLS —– 45-degree angled connector and Manual Shut-off Valve 1/4″ male and female fitting.

What size is R22 fitting?

5/16″