Recharging your air conditioning system is not a difficult task, but one that requires some research. It is crucial to make sure you know how to recharge it safely and properly.įirst, you will want to confirm the type of refrigerant required for your specific vehicle. If you’ve confirmed that your vehicle uses R-134 or R-1234yf, or has been converted from R-12, you can purchase a recharge kit which will include the recommended refrigerant, dispensable from a pressurized can of approximately 12 ounces to 22 ounces and in most cases will contain a reusable recharge hose outfitted with an inline pressure gauge. At the first sign of your air conditioning performance not up to par, you should be aware that an AC recharge is probably warranted with an accompanying AC recharge cost. It is expected that at 100,000 miles, your air conditioning system will require servicing. Air conditioning systems have several connections in which these leaks can occur, so regular maintenance can help you avoid costly repairs in the future while maintaining optimal cooling throughout the life of your vehicle. If you have successfully charged the system yet weeks later, you feel warm air again, you probably have a leak. Some AC systems, especially newer R-1234yf systems do not take a large amount of refrigerant – some as little as 6oz – and over-charging the system can lead to catastrophic failure. It’s important to note, that while simply grabbing a can of refrigerant and charging your system will certainly get your AC working again, it’s vital that you pay attention to the proper pressure of the system and don’t over-charge. Air conditioning systems can lose refrigerant in very small doses over time, but rapid leaks are a cause for concern. The first signs of an AC compressor not functioning properly will be air flow that is warmer than usual when electing the coolest of settings. The most common refrigerant for newer model cars is R-134a, which has been the standard since 1994 when cars with R-12 refrigerant weren’t phased out. Many older cars that have never been serviced may use R-12 and need to be retrofitted over to R-134a. Newer vehicles in just the last few years now take a new generation of refrigerant, R-1234yf, which has just become available for DIY use in the last 2 years. To do this service yourself, you will need to purchase the recommended refrigerant for your vehicle manufacturer to recharge your system, and to do the service properly, you will need a vacuum pump and manifold gauge set, both available in the AutoZone Loan-A-Tool program. You can learn more about those tools in this article. If the system checks out fine for vacuum, the machine recharges the system to the precise amounts of refrigerant needed to operate, and then is checked for proper function. Doing this assures that the compressor works efficiently to deliver the cooling levels required for your specific vehicle make and model. This is important because simply filling the vehicle up with more refrigerant will only be a temporary fix if there is a leak that this new refrigerant can escape through. This is done to properly test the system for leaks and see if it holds vacuum over a certain period of time. By doing this, the technician is able to detect leaks, and potentially determine their origin. Servicing your vehicle’s air conditioning system is an expected maintenance item for all vehicles with operational AC. It’s commonly done by dealerships or shops, and it involves hooking your vehicle up to a machine that removes refrigerant from the system, and simultaneously puts the vehicle’s system under vacuum. This may seem like a real savings over taking the car into the shop and possibly more convenient, but before proceeding with the DIY alternative, it’s important to understand exactly what’s going on when you get an AC service at a shop, vs doing the job yourself. You can save on your this cost by going the DIY route and recharging your car’s AC, in which case you can expect to pay $40-60 for a proper recharge kit. It is recommended that this service be performed on a vehicle every 100,000 miles or so. Due to refrigerant losses that occur over time, this service is one that should be added to your vehicle maintenance schedule. These costs are generally not that expensive when considering that this maintenance also extends the life of your compressor, keeping your air conditioning performing optimally season after season.Ī professional AC recharge cost ranges from $150 – $300 on average depending on the make and model of your vehicle. How Much Does It Cost to Recharge Your Car’s AC?
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