The 2015 Subaru Impreza uses R-134a refrigerant for its air-conditioning system. In the United States and most markets, the Impreza is designed for R-134a with a PAG-based lubricant; R-1234yf is not standard for this model year. Always verify by checking the under-hood A/C label or the owner's manual.
Refrigerant type and compatibility
Getting the refrigerant right matters for cooling performance and component longevity. Subaru's 2015 Impreza is built around the traditional R-134a refrigerant, and the system's seals, hoses, and compressor are specified for that refrigerant. Mixing or using the newer R-1234yf can cause damage and is not recommended unless the system was specifically converted by a professional.
How to verify on your car
To confirm the exact refrigerant specification for your vehicle, follow these steps:
- Locate the A/C service label under the hood, typically on the radiator support or near the firewall. The label lists the refrigerant type (R-134a) and the required oil grade.
- Consult the owner's manual or Subaru service documentation for the precise oil specification and refrigerant capacity.
- Do not attempt to recharge with R-1234yf; ensure the cylinder and equipment indicate R-134a compatibility.
- Have the system serviced by a licensed technician who will evacuate, leak-check, vacuum, and recharge to the labeled specifications.
Following these steps will help ensure the correct refrigerant is used and the system maintains proper performance.
Summary
In short, the 2015 Subaru Impreza takes R-134a refrigerant. Verify the exact specification on the under-hood label, use the recommended PAG oil, and have any charging or repairs performed by a qualified technician. Do not switch to R-1234yf unless the system has been converted by a professional.
Does my car use R-134a or R-1234yf?
Cars built mid-1990s to roughly 2014–2017 almost always use R134a. Most 2017–present vehicles, especially Euro, hybrid and EV models, use R-1234yf. Some EVs use specialised refrigerant blends depending on the cooling system. Your car has a sticker under the bonnet that confirms its exact gas type.
What year to stay away from a Subaru Impreza?
Transmission Problems: Certain models of the Impreza, notably from 2012 to 2013 and in 2015, were prone to transmission failures. These problems ranged from gears shifting incorrectly to the car unexpectedly speeding up while in reverse or hesitating before lunging forward when the gas pedal was pressed.
How much refrigerant does a 2015 Subaru Impreza take?
2015-2023 models: 22-24 oz.
What kind of coolant does a 2015 Subaru Impreza take?
ZEREX – Asian Vehicle Blue Ready-to-Use 50/50 Antifreeze / Coolant, 1 Gallon (Part No. 861398)