Description: There, I will discuss how to recharge car ac system myself step by step guide,  The actual process of auto AC recharge freon gas in the car. I will show step by step. If you read this article, you can easily recharge freon in car . And you know how to recharge car AC system myself in your car parking area.

What Does Recharging a Car AC System Mean?

Car ac system recharge freon means add refrigerant in the system due to some leaks or natural dissipation of the ac gas, you feel ac cooling efficiency is low at the time, take time to cool the cabin of the car, in that case need to recharge freon in the ac system.

Signs You Need a Car AC Recharge

Here, I will mention some points if you feel anyone in your car needs to recharge ac refrigerant.
i) Warm air coming from vents continues.
ii) AC takes a long time to cool the cabin.
iii) The AC clutch doesn’t engage because less refrigerant pressure is too low.
iv) Hissing sounds from the AC system mean less refrigerant in the system inside the freon line.

Tools You’ll Need to Recharge a Car AC System

Before starting, arrange the tools mentioned below
i) AC recharge kit with gauge for recharging the AC freon gas.
ii) Gloves and safety glasses to ensure safety because the ac freon gas is harmful to the human body
iii) R-134a refrigerant, maximum car ac refrigerant same, some cars have R1234yf grade ( Gas grade mentioned on the car hood)
iv) Locate Ac low and high pressure port locations, mostly located on the engine side, left or right side of the wall.

How to Recharge Car AC System myself step by step guide

Step 1 – Locate the Low and High Pressure Port

Open the car engine hood and find the low and high pressure hose port, marked on the pipe (L – LOW, H – HIGH).

Step 2 – Attach the Recharge Hose

Next, connect the low and high pressure hoses to the car AC hose port, make sure to tighten the connector properly, push and pull the connector to ensure it the tight.

Step 3 – Start the Car and Turn on the AC

Now, turn on the engine and ac with full blower speed. This process quickly starts the compressor, and suction and pressurizes the AC gas.

Step 4 – Check the Pressure

Use the gauge to read the standard pressure. If everything is ok, low side pressure is (1.5 to 2.5 bar), and high side 12 to 16 bar)

Step 5 – Add Refrigerant

If pressure is low, you can add refrigerant and shake the can before recharging refrigerant. After pressure is stand close to the can port.

Step 6 – Monitor the AC Performance

After checking the AC temperature on the AC vent, if the temperature is good and pressure is showing as per standard, it’s done ac freon recharge.

Safety Tips When Recharging the Car AC

i) Always wear gloves and eye protection for your safety
ii) Don’t overfill the freon in the system, it can damage components and cause leakage coming also.
iii) Never recharge if the system has major leaks, such as a crack, or has any cuts in the hose or evaporator leakage.

When to See a Professional ( auto air conditioning recharge)

After you recharge ac gas, but ac still is not cooling, in that case, you want to go to an AC professional technician shop, need a proper diagnosis, maybe the compressor is faulty or the expansion valve has stuck, and he will make a proper diagnosis report. A proper diagnosis saves your money and time.

FAQ ( How to Recharge the Car AC System )

Q) How to recharge the car’s AC system at home?
A) You can recharge car’s AC at home is easy to do. You can buy a can of refrigerant. First, check what quantity you want for your car quantity mentioned on the car hood. After you can take some tools like ac gauge and hand gloves, and goggles, and start the refrigerant recharge.
Q) How to recharge ac in a car (R134a)?
A) R134a is a type of gas, which is usually use of worldwide maximum car, no any difference for recharge the ac gas, if you buy freon can and ac gauge, you can fix it first shake the freon can, after you connect the gauge in car ac hose port after open the freon can port and start the car with ac on you can seen the pressure, after coolthe cabin stop the freon port and remove car gauge port.