Updated at: 28-03-2022 - By: Lucas

It’s not difficult to remove Freon from a car at home. As it turns out, you don’t need any kind of vehicle repair training to get the job done right here. That being said, you must make sure that you’re enthused about it.

You’ll be surprised to learn that many car owners are able to remove the Freon from their vehicles from the convenience of their own homes. Quickly, you can get this done.

You’ll need an AC recovery equipment if you want to remove Freon from your car at home. Automobile cooling fluids may be easily recovered and recycled with an AC recovery unit. After it recycles and eliminates refrigerant, it is finished.

Let’s take a look at how to remove Freon from your car’s air conditioning system.

What Is A Freon?

How To Remove Freon From Car Without Recovery Machine

Your car’s temperature is controlled by the refrigerant Freon, which alternates between liquid and gas phases.

Freon, like motor oil and radiator coolant, is a working fluid for a car’s air conditioning system.

There is no difference between refrigerant and refrigerant. The only use of refrigerant is to cool air that has been heated.

How Does Freon Function?

In automobile air conditioners, freon is utilized to cool the air. Freon is a hydrochlorofluorocarbon (HCFC) gas, and we already know that.

The compressor turns the Freon into a liquid by applying pressure on it. AC compressor problems might cause your car to shake and tremble.

Cool air is generated as a result of the vehicle’s air conditioning system’s pressure difference.

When the air conditioner is on, the temperature in the car might rise significantly, as the lack of Freon makes it difficult for air conditioners to dissipate heat.

How To Successfully Remove Freon From The Vehicle At Home

Freon removal from a car at home necessitates the use of an AC recovery unit.

AC recovery technology can be used to recover and recycle the car’s cooling fluid. When this device recycles and eliminates the refrigerant, it’s done.

Removing Freon From A Car In A Safe Manner

First and foremost, make sure you’re properly protected. When removing Freon from your vehicle, it’s best to take the required measures. This isn’t just for this undertaking. In the car, everything you do has to be done with caution.

Before taking any action, put on hand gloves and safety goggles.

Make sure the car’s Freon is at the proper level (if possible).

In order to complete the procedure, you will need assistance. Keeping that in mind, let’s move on.

Turn off the compressor after removing the Freon from the vehicle’s air conditioner.

Verify that the vehicle is not in drive mode.

Step 1: Locate the Low-Pressure Service Port

Service ports are often located between the compressor and the evaporator on the larger diameter air conditioning lines.

The low side or even the low-pressure service port normally has a black or blue plastic cap.

Locate the compressor to begin with. The fan belt drives a compressor that closes the radiator in front of the car.

On to the compressor-to-evaporator line to follow next, of course.

The evaporator is located behind the dashboard, close to the firewall, and directly below the windshield. A blue or black plastic cap covers the low-pressure service port on this line.

It is not always possible to locate the low-pressure service port on the same line as the A/C compressor in each car.

Once you know where your low-pressure service port is located, it’s time to connect the service hoses from the recovery machine to the service ports on the air conditioner..

Step 2: Begin The Recovery Machine

We hope you’ve discovered the air conditioner’s service ports and connected the recovery equipment to those ports.

Run the recovery machine to remove the car’s air conditioning system’s non-condensable gases and Freon vapor. Despite this, some of the cooling components will be in liquid form.

The liquid will condense into vapor if a recovery machine is given more time to adapt to the system’s pressure.

Freon has been vaporized due to an increase in internal pressure. The recuperation machine will automatically shut off when the vehicle’s system is depleted.

Step 3: Turn Off And Disconnect The Recovery Machine

The final step in removing Freon from an automobile’s air conditioning system is to disconnect the recovery unit from a service port.

Remember to close the server hose valves before disconnecting a recovery machine.

Removing R-12 Freon with some older recovery equipment necessitates switching off the hose valves.

However, the common refrigerant loss with R-134a Freon results in a rapidly detaching system.

What Should You Know Before Getting Freon Out Of Your Car?

You’ve now learned how to remove the Freon from your car. You’ll be fine if you stick to these simple guidelines. Freon removal will be a snap after that.

Keep in mind the following:

Do not remove any hoses from the car’s air conditioner if there is any remaining Freon in the system.

It is illegal to release Freon into the atmosphere without a justifiable justification in some jurisdictions. The proper way to get rid of freon must be done.

Freon can only be released from automotive air conditioners in some regions if the EPA has given it the green light.

To remove the Freon, you must get a certificate if you live in an area where this is required by law. After all, we have a duty to uphold the law at all times.

Is It Possible To Remove Refrigerant From The Car’s Air Conditioning?

Precision is required when removing or replenishing the air conditioner’s refrigerant. Any excess refrigerant or an overburdened air conditioner, no matter how tiny, can cause serious problems.

If you’re working on an automobile’s air conditioning system, be careful.

A wide range of responses were given by experts and professional mechanics to this question.

A professional should remove the Freon from your car if this is your first time doing it.

The flammable nature of the refrigerant and the need to protect the environment make it illegal to remove it from an automobile’s air conditioner.

You can, however, perform it in your garage if you do it professionally and are comfortable doing it there.

Driving should always be done with extreme caution.

Professional repair shops and Freon removal experts are the best places to get your car repaired or removed.

By doing this, you hand over all control to a professional.

How To Discharge Car AC At Home

Before we begin, I’d like to make it clear that there is just one way to accomplish this. The evaporator holds the refrigerant until you’re ready to replenish it.

If you don’t have to rent or set up any equipment, you’ll save both money and time.

Let’s get started, shall we?

Turn off the thermostat on the inside of the house.

Locate the low-pressure side of the refrigerant as well as the suction side of the compressor. The condensing unit is where you’ll find the latter. It’s up to you, however, to draw this connection.

With your wrench, close the service valve on the condensing unit’s low-pressure side. A hex key and not a wrench may be required depending on the valve.

Close the high-pressure service valve a tad more. Don’t shut it all the way. It’s okay to leave the hex key in its current position.

The compressor can now be turned on using a low-voltage jumper.

Keep an eye on the low-pressure valve as it drains.

Close the service valve as soon as the vacuum is reached.

It’s time to switch off the compressor now. (In contrast to step 5).

You’re out of here!

The final steps must be completed as rapidly as possible (From process 7 to 8).

The compressor may fail if these steps are not completed in a timely manner.

As a result, make sure you’re focused and moving quickly. Have a family member or friend accompany you if you need assistance with any of the processes.

To drain a car’s air conditioner of its refrigerant is a simple process that doesn’t call for expert assistance.

For those who aren’t familiar with the process, parts, or mechanisms, I’d suggest consulting an expert before attempting this DIY endeavor for the first time.

I am confident that you will not enjoy the repercussions of any mistakes you make.

Frequently Asked Questions

How Much Would It Cost To Get Freon Removed From A Vehicle?

Garages normally charge between $180 and $260 for Freon replacements, with the cost of Freon ranging from $50 to $120.

Freon’s air conditioner instantly cools your car and keeps the passengers comfortable while you’re behind the wheel. Proper and timely replacement of Freon is an essential.

Your car’s maker or a mechanic can tell you how much refrigerant it needs, but it’s best to get the information from the manufacturer or the mechanic.

Different cars necessitate different types and quantities of refrigerant.

In a weak car, you don’t want to inject too much refrigerant because most new types of passenger car air conditioning systems only store 14 to 28 ounces of refrigerant.

Refrigerant can be added to your car’s air conditioning system if it is in good operating order. R-134a cans, for example, typically hold 12 ounces of refrigerant.

Number Of Cans It Takes To Recharge A Car?

A single unit may enough if the air is cool but not freezing.

Use R134A if your vehicle isn’t too old. Don’t buy it, though, if there is a stop leak. This could cause the system to get completely clogged, demanding the services of a professional to fix it.

To keep them cool, cars now only require a little amount of refrigerant/Freon.

A small bit of extra Freon in the car’s air conditioning system might cause serious problems.

When It Comes To Freon, How Long Would It Take For It To Settle In The Car?

The level of Freon in an automobile determines the amount of Freon that will settle in the vehicle. Freon might take up to two hours to settle in a vehicle.

For cars with low levels of Freon, the compressor may not turn on until the sensor detects a particular minimum amount of the refrigerant.

Charging can take another 15 minutes.

Is It Possible To Use The Same Freon In The Car And At Home?

Air conditioning in a house vs an automobile is a night and day difference. You can use either R-22 or R-410a, or a combination of the two, depending on the size of the unit you’re looking to use.

Freeze-12, R-12, R-13a or other kinds of refrigerant can be used in your vehicle, as well. They don’t get along because of the nature of their differences.

Using both of these Freons at the same time is a certain way to trash any practice material you have.

If you use the wrong Freon, you could end up damaging your home air conditioner and your car.


Removing Freon from a car at home isn’t as tough as you would assume.. If you follow these steps, it’s easy to remove Freon from your car’s air conditioner.

You now know how to remove Freon from a car using an ac recovery machine and the importance of following all of the precautions I discussed before, so you’re ready to get started.

Freon recovery machines might be difficult to locate for a variety of reasons.

To protect the environment and ensure that the removal of Freon from a vehicle is done appropriately, several jurisdictions require certification.