Loading

What kind of AC recharge is in the 2018 Dodge Grand Caravan?


Maintaining your vehicle's air conditioning system is crucial for comfort, especially during hot summer months. If you own a 2018 Dodge Grand Caravan and are wondering about the type of AC recharge it requires, this guide will provide you with all the essential details to keep your AC running smoothly.


Understanding the AC Refrigerant Type


The 2018 Dodge Grand Caravan uses R-134a refrigerant for its air conditioning system. This type of refrigerant has been the standard for most vehicles manufactured before 2021. It is known for its efficiency and compatibility with a wide range of automotive AC systems.


Why the Right Refrigerant Matters


Using the correct refrigerant is essential for the following reasons:



  • System Efficiency: The AC system is designed to work with a specific refrigerant type. Using the wrong one can reduce cooling efficiency.

  • Preventing Damage: Incorrect refrigerants can cause damage to the compressor and other AC components.

  • Environmental Compliance: R-134a is less harmful to the environment compared to older refrigerants like R-12, which is now phased out.


Steps to Recharge the AC System


If your AC system is not cooling effectively, it might be time for a recharge. Here’s a step-by-step guide:



  • Step 1: Purchase an R-134a refrigerant kit from an auto parts store. Ensure it includes a pressure gauge for accurate refilling.

  • Step 2: Locate the low-pressure service port under the hood of your Dodge Grand Caravan. This is typically marked with an "L" or a blue cap.

  • Step 3: Attach the refrigerant canister to the service port using the provided hose and gauge.

  • Step 4: Start the engine and turn the AC to its maximum setting. This ensures the refrigerant circulates properly.

  • Step 5: Slowly add refrigerant while monitoring the pressure gauge. Do not overfill, as this can damage the system.

  • Step 6: Once the desired pressure is reached, disconnect the hose and replace the service port cap.


When to Seek Professional Help


While recharging the AC system can be a DIY task, there are situations where professional assistance is recommended:



  • If the AC system has a leak that needs repair.

  • If the system is completely empty, as it may require vacuuming and refilling to remove air and moisture.

  • If you are unsure about handling refrigerants safely.


Conclusion


Keeping your 2018 Dodge Grand Caravan’s AC system in top condition ensures a comfortable driving experience. By using the correct R-134a refrigerant and following proper procedures, you can maintain optimal cooling performance. If in doubt, don’t hesitate to visit a trusted auto repair shop like Kevin’s Autos for professional service.


Frequently Asked Questions

What is the difference between R134a and R-1234yf refrigerant?


The R-1234yf is much more reactive than R-134a. On the positive side, this higher reactivity is why R-1234yf is so much more friendly to the environment. It tends to react with other gases in the atmosphere and break down within a couple of weeks, as compared to R-134a, which remains stable for over a decade.



What vehicles take R-1234yf refrigerant?


Current list of OEMs that use R-1234yf refrigerant

  • BMW i3 Electric.
  • Cadillac XTS.
  • Chevrolet Malibu, Spark EV, Trax.
  • Chrysler 200C, 200S, 300, 300C.
  • Citroën C4, Elysëe.
  • Dodge Challenger, Charger, Dart, Ram 1500.
  • Fiat 500.
  • Ford Transit.



What vehicles use R134a refrigerant?


In most cars that are on the road today, R134a refrigerant makes the A/C system blow cold on hot days. Selected for its low flammability and safety, as well as because it's kinder to the environment, almost every car built since 1994 is equipped with R134 refrigerant.



Does it matter what kind of AC recharge you use?


Please remember that using the wrong type of refrigerant for your system can create a hazard or cause serious damage so it is very important to get it right. Don't worry though, as AC Avalanche recharge hoses can only work on systems of their respective type, eliminating the risk of using the wrong type.



Can I use 1234yf instead of 134a?


While R-1234yf could be the perfect replacement for R-134a, there is one major challenge with this new technology. The R-1234yf is much more reactive than R-134a. On the positive side, this higher reactivity is why R-1234yf is so much more friendly to the environment.



Can R-1234yf be used instead of R134a?


Internal heat exchanger for R1234yf refrigerant (photo: NRF) As you can see from the above description, R134a and R1234yf refrigerants are not completely identical and their substitution will always result in faster degradation of the A/C system and eventually lead to costly repairs.



What kind of freon does a 2018 Dodge Grand Caravan take?


Essential 2018 Dodge Grand Caravan Refrigerants
R-134a PAG 46 AC Oil Lubricant: with ICE 32 Lubricant Enhancer features advanced chemistry to help extend compressor life and improve cooling capacity.



What refrigerant is used in Dodge Caravan?


It must be evacuated, then it will be at a vacuum, and will suck the cans in and there won't be any air in there. But any shop that can evacuate it might also have the refrigerant in a large gas bottle. The refrigerant is R134a.



What type of freon does a 2018 Dodge Journey take?


Dodge refrigerant filling quantities R134a an 1234yf.

ModelPagaminimo metaiFreono tipas
Dodge Journey 2.4i / 2.0CRD2008 -R134a
Dodge Avenger 2.0i / 2.4i2007 - 2011R134a
Dodge Journey 2.4i / 2.0CRD with rear air conditioning2008 -R134a
Dodge Nitro2007 -R134a



Why is R-1234yf preferred over R134a?


Lower Global Warming Potential (GWP): 1234yf refrigerant has a significantly lower GWP compared to 134a, making it a more environmentally friendly option.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.