2020 Jeep Wrangler A/C Refrigerant and Oil Guide

Quick answer

• Refrigerant Type: R-1234yf
• System Charge: 17.0 oz (482g)
• PAG Oil Type: PAG 46
• Total System Oil Capacity: 4.1 oz (120 mL)
• Low-Side Service Port Location: Near the firewall on the passenger side
• High-Side Service Port Location: In front of the radiator on the driver's side

Why R-1234yf matters

Starting in 2014, automakers began transitioning from R-134a to the more environmentally friendly R-1234yf refrigerant. Your 2020 Jeep Wrangler uses R-1234yf, which has a much lower global warming potential (GWP) than its predecessor. However, this change comes with a few important considerations for the DIYer:

• Cost: R-1234yf is significantly more expensive than R-134a.
• 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.
• EPA Regulations: While not as harmful to the ozone layer, R-1234yf is still a greenhouse gas. It is illegal to release it into the atmosphere. The EPA requires that anyone servicing an A/C system be Section 609 certified.

Recharge procedure

A proper A/C recharge is not a simple top-off. To ensure optimal performance and longevity of your A/C system, it's crucial to follow the correct procedure:

1. Evacuate the system: This removes all old refrigerant, air, and moisture. This is a critical step that requires a vacuum pump.
2. Vacuum Hold Test: After evacuation, the system should be monitored to ensure it holds a vacuum, indicating there are no leaks.
3. Charge by weight: The system must be recharged with the precise amount of refrigerant specified by the manufacturer. For your 2020 Jeep Wrangler, this is 17.0 oz (482g). Do not use pressure gauges to determine the charge amount.

Common A/C problems for this vehicle

The Jeep Wrangler is built for tough conditions, but its A/C system can still experience issues. Some common problems include:

• Compressor Failures: The A/C compressor is the heart of the system. Off-roading and other strenuous activities can put extra stress on the compressor and its clutch.
• Condenser Issues: Located at the front of the vehicle, the condenser is susceptible to damage from rocks and other debris.
• Evaporator Leaks: The evaporator is located inside the dashboard and can develop leaks over time. This is often indicated by a musty smell from the vents.

When to call a pro

While some basic maintenance can be done at home, A/C system work is best left to the professionals. If you're experiencing A/C problems, it's a good idea to have the system diagnosed by a certified technician. They have the specialized equipment and expertise to safely and effectively service your A/C system.

Disclaimer: The information on this page is for informational purposes only. A/C system service should only be performed by a qualified and EPA Section 609 certified technician.

Find a certified A/C shop on Repairius.