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- You can recharge the system yourself with a charging kit and some refrigerant, as long as your car uses r134a refrigerant. First, you’ll need to check for leaks. Then, check the refrigerant pressure and test your system. Finally, you can add your refrigerant and finish the recharge.
www.wikihow.com/Recharge-the-Air-Conditioner-in-a-CarHow to Recharge the Air Conditioner in a Car (with Pictures)
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- Overview
- Repairing Leaks
- Checking the Pressure
- Testing Your System
- Adding Refrigerant
- Finishing the Recharge
If your car’s air conditioner isn’t blowing cool air, then you’ve likely lost some of the refrigerant, usually due to a leak. You can recharge the system yourself with a charging kit and some refrigerant, as long as your car uses r134a refrigerant.
First, you’ll need to check for leaks. Then, check the refrigerant pressure and test your system. Finally, you can add your refrigerant and finish the recharge. If you have a hybrid or electric car, don’t try to recharge the air conditioner yourself, as it can result in a lethal electric charge.
Spray soapy water onto the air conditioner components to
You can use dish soap and tap water. Make sure the whole system is coated so that you won't miss a leak. If there are leaks, you'll see bubbles forming around the leak.
Spray bottles are sold at most department stores and online.
You can also buy a leak detector kit from your local automotive store or online. Follow the directions for that kit.
Watch for bubbles to appear, which indicate a leak.
The leak will interact with the soapy water to create foam. If you see just a few bubbles or they take a while to appear, then your leak is probably small. If you see a lot of foaming, then you probably have a big leak.
Put on your eye protection and gloves.
Refrigerant is very dangerous and can result in injuries. It can cause frostbite if it hits your skin. If you get it in your eyes, it can blind you.
Follow all instructions on the label, including additional recommended protective gear.
Find the low-pressure line port, which will have thicker tubing.
There are two ports on your air conditioner. You will add the refrigerant to the low-pressure line port, not the high-pressure line port. The low-pressure line has larger tubing than the high-pressure line, making it easy to distinguish between the 2.
Sometimes they are labeled with “H” for high and “L” for low. In some vehicles, the low-pressure line port will be lower than the high port, but this is not always the case.
Crank your engine and turn the AC on high cool, high fan.
This allows you to check to make sure your parts are working. It’s okay if your air conditioner is blowing warm or hot air at this time.
Your hood should still be up.
Make sure the compressor clutch is spinning.
The compressor clutch looks like a circle. It may spin fast or slow, depending on how well your system is working, as well as how much refrigerant is present in the system.
If it’s not spinning, then you can add half a can of refrigerant and check it again. If it’s still not spinning, then you’ll need to take your car in to a professional technician.
Unscrew the trigger from the can to remove the inner cap.
The inner cap is what keeps the refrigerant trigger from piercing the can before you’re ready to use it. You should see where the can screws into the trigger, as it will have a typical joint.
Screw the top back on, which will pierce the top of the can.
There will be a metal pin inside the trigger. As you screw the can back on, press hard so that the metal pin pierces the top of the can. You should hear the pressure release inside the can. It will now be ready for use.
If the trigger pin doesn’t pierce the can, then you won’t be able to use the product. In the rare event this happens, you can try removing the trigger and pressing down harder as you replace it again.
Shake the can to mix the contents.
Detach the refrigerant connector from the port.
You may need to pull up on the collar around the connector to break the seal. Then, remove the connector and place your charging kit in a safe location.
If your can has a knob instead of a trigger, turn the knob, closing it tightly, before you detach the connector.
For example, you might store it in a cool spot in your garage that is away from heat sources.
Replace the port cap on your air conditioner.
Screw the cap back onto the left pressure line port. This will prevent debris from getting into your pipes.
After you’ve recharged your air conditioning, the difference should be noticeable immediately. It may be worth checking the pressure once or twice after recharging in case the low refrigerant level was caused by a leak in the system.
Which refrigerant do you need for the air conditioner of your Lancer? Usually, the refrigerant used in automotive air conditioning systems is the R-134a refrigerant. At any rate, you should still check the owner's manual just to make sure.
