2019 Ram 2500 A/C Refrigerant and Oil Specifications

Quick Answer

• Refrigerant Type: R-1234yf
• Full System Charge: 21.0 oz (595g)
• PAG Oil Type: PAG-46
• PAG Oil Amount: 6.8 oz (200mL)
• Low-Side Service Port Location: Near the firewall on the passenger side
• High-Side Service Port Location: Near the radiator on the passenger side

Why R-1234yf Matters

The 2019 Ram 2500 uses R-1234yf refrigerant, which is more environmentally friendly than the R-134a used in older vehicles. However, it's also more expensive and requires special equipment for service. You can't just top it off with a can from the auto parts store. R-1234yf systems require a dedicated recovery machine to prevent cross-contamination.

Recharge Procedure

A proper A/C recharge on a 2019 Ram 2500 requires a full evacuation of the system to remove any air and moisture. The system is then recharged by weight, not pressure, to ensure a precise fill. This is the only way to guarantee optimal performance and prevent damage to the A/C components.

Common A/C Problems for This Vehicle

While the 2019 Ram 2500 is a reliable truck, some common A/C issues to watch for include:

• Compressor Failures: The A/C compressor is the heart of the system and can fail due to internal wear or clutch issues.
• Condenser Issues: The condenser, located in front of the radiator, is susceptible to damage from road debris, which can cause leaks.
• Evaporator Leaks: The evaporator, located inside the dashboard, can develop leaks over time, leading to a loss of refrigerant and cooling performance.

When to Call a Pro

Due to the complexity of R-1234yf systems and the specialized equipment required, it's best to leave any A/C service on your 2019 Ram 2500 to a certified professional. They will have the proper tools and training to diagnose and repair any issues correctly.

Safety Disclaimer: Always wear proper safety gear when working on your vehicle's A/C system. EPA 609 certification is required to handle refrigerants.

Find a certified A/C shop on Repairius.