The 2018 Honda CR-V uses R-134a refrigerant.
The 2018 CR-V's air conditioning system runs on R-134a refrigerant, typically paired with PAG oil. Always verify the exact specification by checking the under-hood service label or the owner's manual, since regional variations can occur. This guide explains how to confirm the refrigerant and what to consider when servicing or recharging the system.
Refrigerant type and compatibility
Understanding the correct refrigerant and oil ensures proper cooling performance and protects the A/C compressor and seals. Use the following checks to confirm exact requirements for your vehicle.
To verify the refrigerant type and service requirements, check these items:
- The under-hood service label indicates the required refrigerant (R-134a) and oil type for your CR-V.
- The system typically uses PAG oil (commonly PAG-46) with R-134a; avoid mixing different oils or lubricants not specified by Honda.
- Do not use R-1234yf in this model unless Honda explicitly specifies it for your market or if there has been a factory retrofit.
- Have a qualified technician evacuate the system and recharge with the correct refrigerant and oil using proper recovery equipment.
Verifying these details helps ensure proper cooling performance and protects the compressor and seals from damage.
What to do if you need service
If your AC is not cooling or you notice leaks, noises, or a sweet smell, consult a professional. Do not attempt a DIY recharge without proper equipment and knowledge.
Always rely on the vehicle's service label and the owner's manual for the exact refrigerant type, oil specification, and charge procedures for your region and trim level.
Summary
In short, the 2018 Honda CR-V uses R-134a refrigerant. Verify on the hood label, use PAG-46 oil if needed, and have service performed by a qualified technician who uses the proper R-134a equipment and procedures. With the correct refrigerant, oil, and charging procedure, the AC system will maintain reliable cooling and protect its components.


