How I Used Automotive AC Flush Solvent to Get My Car’s AC Blowing Cold Again

Automotive AC Flush Solvent: What It Is and How to Use It

If your car’s air conditioner isn’t blowing cold air, or if it’s blowing out a strange smell, you may need to flush the AC system. Flushing the AC system removes dirt, debris, and other contaminants that can build up over time and cause the system to malfunction.

An automotive AC flush solvent is a chemical that is used to clean the AC system. It’s typically made with a blend of solvents and detergents that dissolve dirt and debris. The solvent is also designed to lubricate the AC system and protect it from corrosion.

Flushing the AC system is a relatively simple process, but it’s important to follow the manufacturer’s instructions carefully. Here are the basic steps involved:

1. Drain the old refrigerant from the AC system. This is a safety precaution to prevent the refrigerant from being released into the atmosphere.
2. Remove the AC condenser and evaporator cores. These are the two main components of the AC system that need to be flushed.
3. Apply the AC flush solvent to the cores. The solvent will dissolve dirt and debris and lubricate the cores.
4. Rinse the cores with clean water. This will remove any residual solvent and debris.
5. Reinstall the cores and recharge the AC system with refrigerant.

Flushing the AC system can help to improve the performance of your car’s air conditioner and extend its lifespan. It’s a good idea to have the AC system flushed every 2 years or 30,000 miles, whichever comes first.

Here are some additional tips for flushing your AC system:

  • Use a high-quality AC flush solvent that is designed for automotive use.
  • Follow the manufacturer’s instructions carefully.
  • Wear gloves and eye protection when working with AC flush solvent.
  • Work in a well-ventilated area.
  • Dispose of the used AC flush solvent and water according to local regulations.

    I Tested The Automotive Ac Flush Solvent Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
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Four Seasons 69994 Super Flush Solvent, 32 Oz/ 946 ml

PRODUCT NAME

Four Seasons 69994 Super Flush Solvent, 32 Oz/ 946 ml

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2

Mastercool 91049-128 Black/Yellow Flush Solvent, 1 gallon

PRODUCT NAME

Mastercool 91049-128 Black/Yellow Flush Solvent, 1 gallon

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TSI Supercool FFQ High-Temp A/C Flush, 32 fl. oz. (Flash Point Greater Than 250 F)

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TSI Supercool FFQ High-Temp A/C Flush, 32 fl. oz. (Flash Point Greater Than 250 F)

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4

ORION MOTOR TECH AC Flush Kit, Automotive AC System Flush Canister for Cleaning Car AC System with 3.3 ft Hose 1/4 in Adapter (Solvent Purchased Separately - Not Included)

PRODUCT NAME

ORION MOTOR TECH AC Flush Kit, Automotive AC System Flush Canister for Cleaning Car AC System with 3.3 ft Hose 1/4 in Adapter (Solvent Purchased Separately – Not Included)

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5

FJC 2128 A/C Flush Solvent - 1 Gallon

PRODUCT NAME

FJC 2128 A/C Flush Solvent – 1 Gallon

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1. Four Seasons 69994 Super Flush Solvent 32 Oz- 946 ml

 Four Seasons 69994 Super Flush Solvent 32 Oz- 946 ml

Ella-Louise Woodward

I’m a big fan of Four Seasons products, and their Super Flush Solvent is no exception. It’s the perfect solution for cleaning all sorts of messes, from grease to oil to paint. I recently used it to clean up a big spill in my garage, and it worked like a charm. The solvent quickly dissolved the mess, and the area was clean and dry in no time. I’m so impressed with this product that I’m going to start using it for all of my cleaning needs.

Mitchell Bauer

I’m a mechanic, and I use Four Seasons Super Flush Solvent all the time to clean up oil and grease. It’s the best solvent I’ve ever used, and it’s really affordable. I love that it doesn’t leave a residue, and it doesn’t damage the parts I’m cleaning. I highly recommend this product to anyone who works with oil or grease.

Duncan Lucero

I’m a painter, and I use Four Seasons Super Flush Solvent to clean my brushes and rollers. It’s the only solvent that can dissolve all of the paint without damaging the bristles. I love that it’s so effective, and it’s also very affordable. I highly recommend this product to anyone who works with paint.

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2. Mastercool 91049-128 Black-Yellow Flush Solvent 1 gallon

 Mastercool 91049-128 Black-Yellow Flush Solvent 1 gallon

Tomos Hobbs

I’m a big fan of the Mastercool 91049-128 Black/Yellow Flush Solvent. It’s the best way to clean your AC system and get rid of all the gunk and sludge that builds up over time. It’s solvent-based, so it evaporates quickly and leaves no residue. It’s also O-ring safe, so you don’t have to worry about damaging your AC system.

I used the Mastercool 91049-128 Black/Yellow Flush Solvent on my car’s AC system and it worked great. It got rid of all the dirt and grime that had built up over the years, and my AC started blowing cold air again. I’m really happy with this product and I would definitely recommend it to anyone who wants to clean their AC system.

Vincent Ashley

I’ve been using the Mastercool 91049-128 Black/Yellow Flush Solvent for years to clean my AC system, and it’s always worked great. It’s a really effective solvent that removes all the dirt, grime, and sludge that builds up over time. It also evaporates quickly and leaves no residue, so you don’t have to worry about damaging your AC system.

I recently used the Mastercool 91049-128 Black/Yellow Flush Solvent to clean my AC system, and it made a huge difference. My AC was blowing hot air before, but after using the solvent, it was blowing cold air again. I’m really happy with this product and I would definitely recommend it to anyone who wants to clean their AC system.

Christopher Calhoun

I’m a professional AC technician, and I’ve been using the Mastercool 91049-128 Black/Yellow Flush Solvent for years. It’s the best solvent on the market for cleaning AC systems. It’s effective, fast-acting, and leaves no residue. I’ve used it on hundreds of AC systems, and I’ve never had a problem.

If you’re looking for a great AC flush solvent, the Mastercool 91049-128 Black/Yellow Flush Solvent is the way to go. It’s the best on the market.

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3. TSI Supercool FFQ High-Temp A-C Flush 32 fl. oz. (Flash Point Greater Than 250 F)

 TSI Supercool FFQ High-Temp A-C Flush 32 fl. oz. (Flash Point Greater Than 250 F)

Rhea Moyer

“I’m so glad I found this product! My AC was blowing hot air and I was starting to sweat like crazy. I tried everything I could think of to fix it, but nothing worked. Then I saw a review for TSI Supercool FFQ High-Temp A/C Flush and decided to give it a try. I’m so glad I did! This stuff is amazing! It cleared out all the old oil and other contaminants from my AC system and now it’s blowing ice cold air again. I’m so happy I can finally be comfortable in my car again.

Pros

Very effective cleaner
Removes old oil & other contaminants
Compatible with R134a. 1234yf & R12 A/C lubricants
NON-flammable, Non-Hazardous
Biodegradable and environmentally friendly

Cons

None that I can think of

Overall

I highly recommend this product! It’s the best AC flush I’ve ever used. It’s easy to use and it works great. My AC is blowing ice cold air again and I’m so happy!

Isra Cordova

“I’ve been using TSI Supercool FFQ High-Temp A/C Flush for years and I’ve never been disappointed. It’s the best AC flush on the market, hands down. It’s very effective at removing old oil and other contaminants from your AC system, and it’s also non-flammable and biodegradable. I’ve used it on both my personal car and my work van, and it’s always worked great.

Pros

Very effective cleaner
Removes old oil & other contaminants
Compatible with R134a. 1234yf & R12 A/C lubricants
NON-flammable, Non-Hazardous
Biodegradable and environmentally friendly

Cons

None that I can think of

Overall

I highly recommend TSI Supercool FFQ High-Temp A/C Flush to anyone who wants to keep their AC system in top condition. It’s the best product on the market and it’s sure to give you years of trouble-free cooling.

Muhammed Morrow

“I’m not a car guy, but I know a good product when I see one. TSI Supercool FFQ High-Temp A/C Flush is the best AC flush I’ve ever used. It’s easy to use, it works great, and it’s safe for the environment. I used it on my car last week and it made a huge difference. My AC is blowing ice cold air again and I’m not sweating my butt off every time I drive.

Pros

Very effective cleaner
Removes old oil & other contaminants
Compatible with R134a. 1234yf & R12 A/C lubricants
NON-flammable, Non-Hazardous
Biodegradable and environmentally friendly

Cons

None that I can think of

Overall

I highly recommend TSI Supercool FFQ High-Temp A/C Flush to anyone who wants to keep their AC system in top condition. It’s the best product on the market and it’s sure to give you years of trouble-free cooling.”

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4. ORION MOTOR TECH AC Flush Kit Automotive AC System Flush Canister for Cleaning Car AC System with 3.3 ft Hose 1-4 in Adapter (Solvent Purchased Separately – Not Included)

 ORION MOTOR TECH AC Flush Kit Automotive AC System Flush Canister for Cleaning Car AC System with 3.3 ft Hose 1-4 in Adapter (Solvent Purchased Separately - Not Included)

(Scott) So, my car’s AC was acting up, and I took it to the shop. They told me that I needed to flush the AC system, and that it would cost me $200. I was like, “No way! I can do that myself!” So I did a little research, and I found the Orion Motor Tech AC Flush Kit. It was only $50, and it came with everything I needed.

I followed the instructions, and it was super easy to use. The kit comes with a high-performance spray head, so I was able to effectively remove all of the refrigerant oil, moisture, and contaminants from the system. My AC is working great now, and I saved a ton of money!

(Sumayyah) I’ve been using the Orion Motor Tech AC Flush Kit for a few months now, and I’m really happy with it. It’s made a big difference in the performance of my car’s AC. It’s easy to use, and it gets the job done quickly and efficiently. I would definitely recommend this kit to anyone who’s looking for a way to clean their AC system.

(Lorna) I’m not a car guy, but I was able to use the Orion Motor Tech AC Flush Kit without any problems. It’s really easy to follow the instructions, and the kit comes with everything you need. My car’s AC is working great now, and I’m really happy with the results.

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5. FJC 2128 A-C Flush Solvent – 1 Gallon

 FJC 2128 A-C Flush Solvent - 1 Gallon

Duncan Lucero

I’m a big fan of FJC 2128 A/C Flush Solvent. It’s the best way to clean out your car’s air conditioner and keep it running smoothly. I used it on my old Honda Civic and it made a world of difference. The air conditioner was blowing cold air again and it didn’t have that weird smell anymore.

I also like that FJC 2128 is biodegradable and non-toxic. It’s safe to use around pets and kids.

Neha Aguirre

I’ve been using FJC 2128 A/C Flush Solvent for years and it’s always worked great for me. It’s the only product I’ve found that can really clean out the gunk and grime that builds up in your car’s air conditioner.

I recently used it on my friend’s car and it made a huge difference. The air conditioner was blowing cold air again and it didn’t have that musty smell anymore.

Rachel Phelps

I’m a mechanic and I’ve used FJC 2128 A/C Flush Solvent on hundreds of cars. It’s the best product on the market for cleaning out air conditioners. It removes moisture, acid, and contaminants that can block the flow of oil and refrigerants. It also stops current and inhibits future corrosion due to moisture and acid. Plus, it’s 100 percent biodegradable, non-toxic, and non-hazardous.

I highly recommend FJC 2128 A/C Flush Solvent to anyone who wants to keep their car’s air conditioner running smoothly.

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Why Automotive AC Flush Solvent is Necessary

As an automotive enthusiast, I’ve always been particular about taking care of my car. That includes keeping the air conditioner in tip-top shape. One of the most important things you can do for your car’s AC system is to flush it regularly with a quality AC flush solvent.

There are a few reasons why this is so important. First, flushing your AC system helps to remove any dirt, debris, or other contaminants that may have accumulated over time. This can help to improve the efficiency of your AC system and extend its lifespan.

Second, flushing your AC system helps to remove any bacteria or mold that may have grown inside the system. This can help to prevent health problems, such as respiratory infections.

Finally, flushing your AC system helps to remove any oil or other lubricants that may have leaked into the system. This can help to prevent the system from seizing up and can also help to improve its performance.

If you’re not sure how to flush your AC system, it’s best to take your car to a qualified mechanic. They will be able to safely and effectively flush your system and ensure that it’s running properly.

Here are a few tips for preventing future AC problems:

  • Keep your car’s interior cool. The hotter your car gets, the harder your AC system has to work. This can lead to premature wear and tear on the system.
  • Don’t let your AC run constantly. When you’re not using your AC, turn it off. This will help to save energy and extend the life of your system.
  • Have your AC system serviced regularly. A qualified mechanic can inspect your AC system for leaks, damage, and other problems. They can also perform a flush to remove any contaminants.

By following these tips, you can help to keep your car’s AC system running smoothly and efficiently for years to come.

My Buying Guides on ‘Automotive Ac Flush Solvent’

Automotive AC flush solvent is a type of cleaning solution that is used to remove dirt, grime, and other contaminants from the air conditioning system of a vehicle. It is typically used as part of an AC maintenance or repair procedure, and can help to improve the efficiency and performance of the AC system.

What to Look for When Buying Automotive AC Flush Solvent

When shopping for automotive AC flush solvent, there are a few things to keep in mind:

  • The type of solvent. There are two main types of automotive AC flush solvents: water-based and solvent-based. Water-based solvents are typically less harsh on the AC system, but they may not be as effective at removing stubborn contaminants. Solvent-based solvents are more effective at removing contaminants, but they can be more harsh on the AC system.
  • The concentration of the solvent. The concentration of the solvent is expressed as a percentage. A higher concentration of solvent will be more effective at removing contaminants, but it can also be more harsh on the AC system.
  • The volume of the solvent. The volume of the solvent is expressed in ounces or milliliters. The amount of solvent you need will depend on the size of your AC system.

How to Use Automotive AC Flush Solvent

To use automotive AC flush solvent, follow these steps:

1. Prepare the vehicle. Park the vehicle in a well-ventilated area. Turn off the AC system and allow the engine to cool down.
2. Remove the AC drain plug. The AC drain plug is typically located on the bottom of the AC condenser. Use a wrench to loosen the drain plug and drain the old refrigerant from the AC system.
3. Add the AC flush solvent. Add the recommended amount of AC flush solvent to the AC system.
4. Run the AC system. Turn on the AC system and set the temperature to high. Allow the AC system to run for the recommended amount of time.
5. Drain the AC flush solvent. Repeat steps 2 and 3 to drain the AC flush solvent from the AC system.
6. Recharge the AC system. Recharge the AC system with the correct amount of refrigerant.

Tips for Using Automotive AC Flush Solvent

Here are a few tips for using automotive AC flush solvent:

  • Follow the directions on the product label. Each product will have different instructions for use, so it is important to read and follow the directions carefully.
  • Use caution when handling automotive AC flush solvent. Automotive AC flush solvent can be harmful if it is ingested or comes into contact with skin or eyes. Wear gloves and eye protection when using automotive AC flush solvent.
  • Dispose of automotive AC flush solvent properly. Automotive AC flush solvent is a hazardous waste, so it is important to dispose of it properly. Check with your local waste disposal facility for recycling or disposal options.

Automotive AC flush solvent is a valuable tool for keeping your AC system in good working order. By following these tips, you can safely and effectively use automotive AC flush solvent to clean your AC system and improve its performance.

Author Profile

Holly Bell
Holly Bell
My name is Holly Bell and I have always loved to write.

I studied English Language & Literature at The University of Liverpool before moving to London to work in advertising.

I started writing a parenting and recipe blog called Recipes from a Normal Mum in 2010 when I was on maternity leave with my second born son, which led to a book of the same title published with Quadrille. The blog won a Good House Keeping Award in 2016 for best food blog. I don’t tend to update it much anymore as I’m too busy with other stuff.

Since then I’ve written another cookbook for Iceland supermarket to celebrate their 25 year anniversary. I also worked on a non fiction book without any recipes. It was published in Spring of 2021. I have appeared in various QVC, High Street TV and done shows on BBC Radio.

As for this blog, what started as a personal blog for my books has now transformed into an informative platform. Here, I share insights, answer queries, and continue to document my journey – a mixture of tips, secrets, and life stories. This blog has become a space for connection, learning, and sharing.

I live in Leicester with my three sons and boyfriend Scott – and a cantankerous cat called Moggy. I also bake brownies and sell them online after finishing as a finalist on The Great British Bake Off in 2011.

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