The 2017 Honda Civic uses refrigerant R-1234yf for its air conditioning system. This is the modern standard for most new cars since the mid-2010s. For maintenance, technicians should use R-1234yf refrigerant of the proper grade, along with the correct PAG oil, and the system should be evacuated and recharged according to Honda’s specifications.
Refrigerant type and lubrication for the 2017 Civic
Here are the key facts about the refrigerant and lubrication used in this model, which affect how service is performed and what you should request from a shop.
- Refrigerant type: R-1234yf (not R-134a)
- Lubricant: PAG oil compatible with R-1234yf (commonly PAG 46)
- Service method: Charge by weight according to Honda's service specification
- Safety: R-1234yf is mildly flammable (ASL A2L-rated); follow proper handling procedures and leak checks
- Equipment: Use service equipment rated for R-1234yf and appropriate refrigerant recovery systems
In short, the Civic’s A/C system requires R-1234yf with the correct PAG oil, and the system must be charged by weight using proper equipment from a qualified technician.
What this means for maintenance and servicing
Because R-1234yf has different handling requirements and oil compatibility compared with older refrigerants, professional service is advised. Shops should evacuate the system, diagnose for leaks, replace the receiver/drier if needed, and recharge with the exact amount specified for your vehicle.
- Evacuation and leak testing are essential before charging
- Do not mix refrigerants or oils; ensure the correct refrigerant and oil are used
- Charge by weight, not by approximate volume, to avoid under- or overcharging
- Consider replacing the receiver/drier during major A/C service for reliability
- Verify system performance after charging and perform a final leak check
Overall, if you notice weak cooling, schedule service with a technician experienced in R-1234yf systems. Using the correct refrigerant, oil, and charging procedure is essential for dependable cooling and environmental compliance.
Summary
Final takeaway: The 2017 Honda Civic uses R-1234yf refrigerant, not R-134a. Service should be performed by a qualified technician who uses the correct refrigerant grade, PAG oil, and weight-based charging, with proper safety and leak checks to ensure optimal performance and compliance.