Best Engine Flushes – Buyer’s Guide

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Best Engine Flushes

Best Engine Flushes of 2019

Product TypeSizePrevents corrosionEngine type 
Liqui Moly 2037 Pro-Line (Editor's Choice)Liqui Moly 2037 Pro-LineEngine flush16.9 fl. oz.YesGasoline and dieselCheck Price
Lubegard 40902 Bio/TechLubegard 40902 Bio-TechEngine flush cleaner and Protectant10, 15 or 32 fl. oz.NoGasoline and dieselCheck Price
XL Nanolube XL-007 Additive & Nano TreatmentXL Nanolube XL-007 Additive and Nano TreatmentEngine flush additive8 fl. oz.NoGasoline and dieselCheck Price
XADO ATOMEX Total Flush RevitalizantXADO ATOMEX Total Flush RevitalizantEngine flush sludge8.5 fl. oz.NoGasoline and dieselCheck Price
Niteo Motor Medic MF3Niteo Motor Medic MF3Engine flush for non-turbo gasoline engine32 fl. oz.NoNon-turbo gasoline engineCheck Price

 

1. Liqui Moly 2037 Pro-Line – Best Overall Product

Did you just get yourself a vehicle that has a lot of mileage on it and needs a good engine flush to clean it? If you did, you might want to try Liqui Moly 2037 Pro-Line Engine Flush. We were impressed by the fact that getting this product doesn’t require you to dig deep into your pocket. This engine flush also has a nice design to allow you to pour out the product easily.

Excellent performance

The 2037 pro-line is a great product that could keep your engine running as good as new. For starters, it provides you with an easy way to clean your engine. Even when it is your first time using it, you will enjoy the entire process because it is simple to use.

What’s more, this engine flush offers you gentle and rapid cleaning. It is also compatible with diesel and gasoline engines, making it a suitable cleaning agent for most types of vehicles. Additionally, the 2037 removes the deposits and sludge without damaging the seals inside your engine. One of its additives includes anti-wear agents, cleaning agents that are also compatible with catalytic converters.

Recommendations

We recommend Liqui Moly 2037 Pro-Line Engine Flush to anyone who has a vehicle that features 4-stroke diesel engines and gasoline engines. If you use a smaller machine such as a motorcycle with a 2-stroke engine, it would be advisable to stay clear of this product. The 2037 is also quite affordable. When you want to apply it, ensure that you have mixed it with engine oil, then let the engine run on idle speed for approximately 10 minutes. Afterwards, drain the oil, change the filter, and then refill with the new engine oil.

PROS:
  • It is available at a friendly price
  • It includes anti-wear agents
  • Easy to use
  • It includes an acid detergent
CONS:
  • Cannot be used on 2-stroke engines
  • May not deliver expected results on a new car

 

2. Lubegard 40902 Bio/Tech – Best Oil Protectant for Professionals

The second entry on our review is Lubegard 40902 Bio/Tech Engine Oil Protectant. If you are looking for a high-quality engine cleaner that will leave your engine(s) working as good as new, then you might consider getting this product. However, you should be prepared to spend a lot more to acquire it.

Engine protection

An engine flush should improve the performance of an engine, and the 40902 Bio/Tech Engine Oil Protectant is designed to deliver that. You can use it on both gasoline and diesel engines, and it helps to return the horsepower of your engine to its original state.

Interestingly, this engine flush is made to reduce friction, thus delivering better fuel economy. Moreover, it extends the period between oil changes by up to 30 percent. This flush can also increase the lifespan of your engine’s parts because it minimizes tear and wear of metals. With this engine flush, you don’t have to worry about lifter and objectionable noises when you start the engine even in cold weather.

Additionally, the engine flush limits oxidation so that you can have an extended engine oil life. It also minimizes hot engine oil temperatures to keep your engine running efficiently. Another plus about this product is that it enhances the anti-wear and anti-friction properties of different oil brands for optimum performance.

Recommendation

We highly recommend this product to people who like DIY projects and professionals alike. Albeit slightly expensive, this is a product that will boost the performance of your engine because it clears the entire residue. It is a bio/tech product that has the necessary additives to make it a proper engine-cleaning agent.

PROS:
  • It extends engine oil life by about 30 percent
  • Eliminates noises during startup
  • It inhibits oxidation
  • Minimizes hot engine oil temperatures
CONS:
  • A bit expensive
  • A little heavy

 

3. XL Nanolube XL-007 Additive & Nano Treatment – Most Universal Cleaner

Next up on our review is XL Nanolube Engine Oil Additive & Nano Treatment. This cleaning agent is compatible with both gasoline and diesel engines. Therefore, it might be your choice of product because you won’t have to look for another product when you change to an automobile with a different fuel type.

Heat handling

XL Nanolube is an excellent lubricant that mixes with synthetic and all oil to deliver the desired results. It also works with all types of metal surfaces. You’ll also be glad to know that it doesn’t drip off, which means that it eradicates the damages that result from dry starts.

But wait, there is more. This product can withstand high heat exposure – something that is not common in most engine oil additives. When this lubricant is mixed with engine oil, it prevents the engine oil from burning inside the engine, and this ensures that your engine is always free from sludge, gunk, and debris.

This product is also manufactured with an environment-friendly perspective because it minimizes emissions. When you mix it with engine oil, you might notice an increase in your vehicle’s horsepower. It also enhances the engine’s fuel efficiency by maximizing mpg. What’s more, this product extends the oil life, thus making your vehicle run efficiently over longer periods.

Recommendation

If you like conserving the environment, we would recommend this product to you. This is because it reduces emissions by preventing contamination between the combustion chamber and the piston chamber. It also keeps the temperature at appropriate levels. Additionally, it adheres to all metal surfaces.

PROS:
  • Can withstand high temperatures
  • Reduces emissions
  • Enhances oil life
  • Rejuvenates your engine
CONS:
  • Does not solve the problem for long

 

4. XADO ATOMEX Total Flush Revitalizant – Great Cleaner for Sludge

When sludge and debris accumulate in your engine, the exemplary performance of your vehicle suddenly decreases. The best way to resolve such an issue is by purchasing an engine flush. If you have been struggling with the purchase decision, we think you might want to check out XADO Engine Oil System Cleaner with Anti-carbon Effect. It is a high-quality product that will not cost you much.

Compatibility

We consider this cleaning agent a suitable option for many vehicle owners because it is compatible with almost all types of oils, and it works with all engine types including turbo-supercharged engines. Intriguing, don’t you think? It comes in a bottle that features an ergonomic design for easy handling. Moreover, it comes in an attractive pack to match up to its outstanding performance.

You might want to use this engine flush in your car because it carefully and safely cleans your engine oil system to rid it of all contaminants. Its additives deliver technical purity to leave your engine in a top-notch performance. And that’s not all; the product eliminates carbon and restores the mobility of stuck piston rings. Clearly, you cannot dispute that it delivers what most cleaning agents don’t.

XADO Engine Oil System Cleaner also has revitalizant that provides creation of engine protection reserve. Additionally, it cleans the crankcase ventilation system and prevents the effect of hydraulic lash adjusters sealing.

Recommendation

We recommend this product for you because of a couple of factors. The product is fairly priced, has additives that other cleaning agents lack, and it also works with all types of engines and oils. What’s more, it cleans your oil system with an anti-carbon effect.

PROS:
  • It is a universal engine flush
  • Features anti-wear additives
  • It is economically priced
  • Has an anti-carbon effect
  • Safely cleans the engine oil
CONS:
  • If left for long, the engine might start failing

 

5. Niteo Motor Medic MF3 – Most Affordable Pick

With this product, you don’t have to spend your entire paycheck to keep your car running smoothly. If you need to optimize the performance of your engine, you might want to try out Niteo Motor Medic MF3. Let us see what makes this product exceptional.

Increased Efficiency

You will be glad to know that using this product might be as easy as spelling out your name. It only takes five minutes for it to dissolve the debris, gunk, and sludge deposited in your engine. This efficiency gets your engine’s performance and horsepower back to the desired level. It is recommended to use this product before each oil change. This is because doing so may help to extend your engine’s life.

This engine flush is capable of releasing sticky piston rings and valves, an action that allows the oil to circulate freely to all motor parts. Additionally, it reduces oil consumption and sorts out noise valves to enable the motor to run smoothly. It also has anti-wear additives to prevent seals damage.

The application process is also quite easy. To use it, you just need to turn off your engine and check the oil levels. Next, add the appropriate amount of engine flush to the cold engine. After that, turn on the engine and let it idle for 5 minutes. It is during this duration that the motor flush cleans the engine. Turn off the engine and drain the oil before adding the new oil.

Recommendation

We highly recommend this item for vehicle owners who need to flush their engines but are working on a tight budget. This product works effectively, and it involves a very easy application process.

PROS:
  • Very affordable
  • Involves a simple and quick application process
  • Has anti-wear additives
  • Delivers a good flush
CONS:
  • Might be harsher than other products
  • Mainly suitable for deep cleaning

 

Buyer’s Guide

Why You Need to Get an Engine Flush?

When you have used your engine for a while, residue builds up that could affect the performance of your engine. And that’s where an engine flush becomes necessary. This cleaning agent helps to remove the build-up, making sure that our engine returns to its previous efficiency.

You must know that when there is build-up in your engine, chances are that it will clog the oil passages or screens – something that results into restricted oil flow. When this occurs, the performance of your vehicle decreases. It delivers lower horsepower, and if you’ve driven your car for some time, you will notice this difference.

People who frequently drive over short distances have a higher probability of experiencing sludge build up because the oil doesn’t heat up appropriately to allow the moisture to evaporate. Therefore, if you only drive from your home to the office and back, we recommend that you include engine flushing in your maintenance practices. Other reasons as to why debris might accumulate in your engine include fuel dilution, high levels of heat, and air-borne dirt.

Even if you regularly change the engine oil in your car, we still advise that you carry out an engine flush occasionally. It helps keep your engine in top-notch condition.

How Do You Establish If You Need an Engine Flush?

Besides the reasons mentioned above, you could also use other ways to check whether your engine has a sludge buildup. One of the best ways to identify this is by checking whether the check engine light on the dashboard is on. If it is, there is a possibility that your engine may have accumulated debris. Additionally, if the change engine oil notification light on your car comes on earlier than expected, that could be an indication that debris and sludge have accumulated.

If you like to get hands-on with your vehicle, you could check under the hood during your free time. When doing this, always make sure to turn off your car. With the hood up, check for any indications of engine sludge such as an oil splatter then take the appropriate action when you identify some.

You could also identify sludge accumulation by removing the cap of the oil pan to have a look inside. When you remove the oil cap, we recommend using a flashlight to illuminate the interior part. When you notice sludge in the oil, there is also a high probability that there is some in the engine. This means that an engine flush would do some good.

Things to Keep In Mind before Purchasing an Engine Flush

Are you looking to get yourself an engine flush? If you are, we recommend that you consider a couple of things. For starters, there are plenty of these products on the market, meaning that you can’t just settle on the first item that you lay your eyes on. If you buy a used vehicle, running an engine flush is imperative because you don’t know how the previous owner(s) handled the vehicle.

Engine flushing is an important maintenance practice; therefore, it has to be done right using the best products in the market. One of the key things to consider before you run an engine flush is the mileage of the vehicle. If it is over 100,000 miles, there is a high likelihood that its engine has accumulated some residue. As such, you need a proper engine flush to help it run better.

To make the best purchasing decisions, here are some of the essential features that you need to look out for.

The Additives

One of the key things to look out for in an engine flush is the additives it contains. Usually, an engine flush is comprised of a number of additives that are mixed together to form one solution. The different brands that you will find in the market contain different additive mixtures, which mean that their performance will be different too. It is imperative, therefore, for you to find an engine flush that combines the additives that will work best for your automobile.

The most suitable engine flushes should contain additives that cannot damage your engine, and most brands combine dispersants and detergents. Ensure to apply the flushes correctly to avoid damaging your engine. You should look out for engine flushes that contain the following

  • Dispersants – They help to break up any solidified carbon deposits in the engine. The dispersants are a critical ingredient in engine flushes because they break up the deposits from the power system
  • Detergents – These are also critical additives in any engine flush. They are mostly acids or alcohol, and they help to dissolve sludge build up in the engine. The detergents clean up the engine quite well.
  • Anti-wear – These additives are essential in any engine flush. They help to prevent tear and wear of the metal that makes up the engine. They also work well with the harsh detergents that come in the flushes.
  • Rust-inhibitors – Another important additive that you should look out for in an engine flush is a rust-inhibitor. However, rust-inhibitors are not found in all engine flushes. They, however, play a critical role in preventing engine rust.
  • Lubricants – The lubricants contained in engine flushes help to strengthen the clean oil that is used when the engine flush is completed. It is important to note, however, that the lubricants do not improve the performance of a particular oil; they only improve the mileage of a single oil change.

The Price

Since engine flushes are designed by different manufacturers, the price of one product will differ from the other. As a result, you need to set a budget limit. Before you do that, however, be sure to check out different products in the market and determine their price range. Moreover, always remember that the most expensive product does not necessarily deliver the best quality. You should compare the price of an engine flush with its number of uses. By doing so, you can easily find an affordable product that suits your needs.

Compatibility

Different automobiles have distinct engines. As a result, you need to find an engine flush that is compatible with your engine. Otherwise, you may get a product that could end up damaging your engine instead of fixing it. However, compatibility is not so much an issue these days since most engine flushes are designed to work with different types of engines. You, therefore, just need to confirm that a flush will work with your engine.

Additionally, you should check the compatibility of the engine flush you want to get with your motor oil. Why is this important? This is because the application process requires you to mix both the oil and the engine flush. However, this shouldn’t be of major concern because most flushes are compatible with the majority of motor oils.

The Fuel Type

Another crucial consideration that you need to make concerns your car’s fuel type. Does it run on diesel or on gasoline? You must keep in mind that not every engine flush is designed to clean both types of engines. You might be required to choose specific engine flushes that suit your fuel type.

The Benefits of an Engine Flush

There are multiple benefits of using an engine flush on your vehicle. Some of the key benefits include:

Eliminating Deposit Accumulation

A person’s driving habits will affect the performance of his or her car. In this case, such habits will affect the performance of the engine oil. If you constantly stop when you drive or drive over short distances, then sludge is guaranteed to build up over time. These deposits affect the flow of oil, thus decreasing the performance of your vehicle.

You, however, can get an engine flush to sort out this problem. The cleaning agent dissolves the debris and sludge, thus opening up the clogged oil passages so that the oil can flow freely. When the oil flows properly, all your engine’s parts will move as expected. Moreover, it eliminates the wear and tear of your engine.

It Gives Your Vehicle a New Start

Sometimes, you might purchase a used vehicle. In most cases, it is hard to know about a used car’s maintenance history. As a result, carrying out an engine flush is critical to ensure that the vehicle is in a smooth running condition. Doing so gives your vehicle a clean slate, which means you can enjoy driving it without worrying about experiencing problems in the near future.

It Cleans Up What the Filter Doesn’t

Particles in OilWhen we were conducting our research, we established that oil filters aren’t as effective as engine flushes. Let us explain. Well, the majority of oil filters are designed to eliminate particles that measure about 25 microns.

This is quite a small size but sadly, you will still find other smaller particles within your vehicle’s oil that filters cannot remove. Over time, these particles accumulate to form a sludge and they deposits cannot be dealt with using clean oil. However, an engine flush will do the job excellently. This is because engine flushes contain chemicals that disintegrate the sludge, leaving your engine as good as new.

It Keeps Your New Oil Clean

Oil ChangeAnother major benefit of getting an engine flush is that it ensures your new oil stays clean. Clean oil ensures that your engine is in excellent condition, thus improving the overall performance of your car. An engine flush removes any deposits within the engine leaving it as good as new. Ever asked yourself why oil and engine flush are mixed together in the application process? Well, this is one of the reasons.

If you don’t use an engine flush, the new oil that you put in your engine will be affected by the existing sludge just like the old oil. However, don’t expect the engine flush to improve the quality of your oil because it won’t. What it does is extend the period between oil changes.

It Cleans the Engine Parts

The engine is made up of different parts, and they all play a critical role in ensuring that your vehicle is running smoothly. However, when the gunk in your engine oil accumulates, it stuffs up the engine parts, thus affecting their efficiency. Fortunately, an engine flush can easily remove this gunk and enhance the power and efficiency of your engine.

Conclusion

Do you have a dirty engine? Would you like to clean it to return the performance of your vehicle back to normal? If yes, we advise that you use the best engine flushes. After conducting a comprehensive research, we found the five products mentioned above. Before choosing any of them, however, you must make a couple of considerations to ensure you make a wise purchase decision. After that, you can go through each product to choose the one that suits your vehicle best.

Ryan Chambers

I'm Ryan Chambers, an enthusiast of cars and pretty girls; I try to run, repair and equip my garage on my own. On the pages of this blog you'll find all information you'll need related to the operation and repair of a home garage.

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