2024 Toyota RAV4: A/C Refrigerant & Oil Specifications

Quick Answer

• Refrigerant Type: HFO-1234yf (R-1234yf)
• Full System Charge: 14.1-15.9 oz (400-450g) - Note: Always verify with the under-hood sticker as charge can vary by trim.
• PAG Oil Type: PAG 46
• PAG Oil Amount: 4.0 fl oz (120mL)
• Low-Side Service Port Location: Near the firewall, on the passenger side of the engine bay.
• High-Side Service Port Location: In front of the radiator, near the hood latch.

Why R-1234yf Matters

Starting in 2014, Toyota, along with other manufacturers, began transitioning from R-134a to the more environmentally friendly R-1234yf refrigerant. By 2024, all new vehicles, including your RAV4, are required by the EPA to use R-1234yf. This new refrigerant has a much lower Global Warming Potential (GWP) than its predecessor. However, this change comes with a few things to be aware of:

• Cost: R-1234yf is significantly more expensive than R-134a. This is due to both the manufacturing process and the smaller scale of production.
• Specialized Equipment: Servicing an R-1234yf system requires a dedicated recovery and charging machine. Cross-contamination with R-134a can cause system damage and is illegal.
• Flammability: R-1234yf is mildly flammable, which has led to some design changes in A/C systems and service procedures to ensure safety.

Recharge Procedure

A proper A/C service is more than just "topping off" the system. To ensure optimal performance and longevity, the system must be fully evacuated to remove any air and moisture, and then recharged with the precise weight of refrigerant specified by the manufacturer. Never charge a system based on pressure readings alone. This can lead to overcharging or undercharging, both of which can cause damage to the compressor and other components.

Common A/C Problems for this Vehicle

While the 5th generation RAV4 is known for its reliability, a few common A/C issues have been reported:

• Compressor Failures: The A/C compressor is the heart of the system, and failures can be expensive. Early signs of a failing compressor include strange noises when the A/C is on, or a lack of cold air.
• Condenser Issues: The condenser, located in front of the radiator, is susceptible to damage from road debris. A punctured or leaking condenser will result in a loss of refrigerant and cooling.
• Evaporator Leaks: The evaporator, located inside the dashboard, can develop leaks. This is often a labor-intensive repair, as the dashboard usually needs to be removed for access.

When to Call a Pro

Due to the specialized equipment and training required to service R-1234yf systems, it is highly recommended to have any A/C work performed by a certified professional. An EPA 609 certified technician will have the proper tools and knowledge to safely and effectively service your RAV4's A/C system.

Disclaimer: The information on this page is for informational purposes only. Always consult your vehicle's service manual or a certified technician for specific repair advice. EPA 609 certification is required to legally purchase and handle refrigerants.

Find a certified A/C shop on Repairius.