2022 GMC Acadia A/C Refrigerant and Oil Specifications

Quick answer

• Refrigerant Type: R-1234yf
• Full System Charge: 19.04 oz (540g)
• PAG Oil Type: PAG 46
• PAG Oil Amount: 3.7 oz (110ml)
• Low-Side Service Port Location: Near the firewall on the passenger side
• High-Side Service Port Location: In front of the radiator on the passenger side

Why R-1234yf matters

The 2022 GMC Acadia uses R-1234yf refrigerant, which has a lower global warming potential (GWP) than its predecessor, R-134a. This makes it more environmentally friendly, but it also means that it's more expensive and requires special equipment for service. R-1234yf systems operate at higher pressures than R-134a systems, so it's important to use a recovery machine that is specifically designed for R-1234yf. It is also important to note that R-1234yf is mildly flammable, so it is important to take precautions when handling it.

Recharge procedure

A/C recharging is not as simple as just adding more refrigerant. To ensure proper performance and longevity of your A/C system, it is important to follow the correct procedure. This includes evacuating the system to remove any air and moisture, and then charging it with the correct amount of refrigerant by weight. It is not recommended to charge the system based on pressure readings, as this can lead to an undercharged or overcharged system, which can cause damage to the A/C compressor.

Common A/C problems for this vehicle

Some common A/C problems for the 2022 GMC Acadia include compressor failures, condenser issues, and evaporator leaks. Compressor failures can be caused by a variety of factors, including low refrigerant levels, a clogged orifice tube, or a bad clutch. Condenser issues are often caused by road debris, which can damage the fins and tubes. Evaporator leaks are less common, but they can be caused by corrosion or a manufacturing defect.

When to call a pro

If you are not comfortable performing your own A/C service, it is best to take your vehicle to a qualified technician. They will have the proper equipment and expertise to diagnose and repair any A/C problems you may be having.

Safety Disclaimer: It is important to be aware of the dangers of working on an A/C system. Refrigerant can cause frostbite if it comes into contact with your skin, and it can be harmful if inhaled. It is also important to be aware of the high pressures involved in an A/C system. If you are not familiar with the proper procedures, it is best to leave the work to a professional. You must be EPA 609 certified to legally purchase and handle refrigerants.

Find a certified A/C shop on Repairius.