Soft engine cleaner from Hi-Gear is a quality product for car engine flushing.

Author: Ivan Baranov

Flushing the engine is an important process that should preferably be performed every time the engine fluid is changed. This procedure is the main way to keep the internal components of the engine clean, and this, in turn, will stabilize its operation. In this article we will talk about Hi-Gear soft engine flushing - reviews and its main characteristics.

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Description, composition and properties of the product

HG2205
Hi-Gear Quick Engine Flush - a special chemical composition for radical cleaning of the system. It contains substances that form an emulsion that envelops small pieces of decay products, soot, and deposits, and thereby prevents them from coming into contact with moving parts during the procedure.

Effectively breaks down and eliminates carbon deposits. Restores the functionality of individual parts of the system. Regular use of this product allows you to do without servicing the internal combustion engine and extends its service life. Oil and filters perform their duties better after the procedure.

Intended for gasoline and diesel internal combustion engines (including turbocharged ones) with a lubrication system volume of 4-5 liters.

Tips and tricks

So, the main properties of the most popular Hi-Gear washes were discussed above. At the same time, in the manufacturer’s catalogs you can find a large number of different flushing liquids that are distinguished by certain properties.

To summarize, the main difference between all compounds is what engine they are intended for, taking into account the degree of wear and general contamination of the internal combustion engine. In other words, for units that have not been previously washed and have a significant mileage, the same compositions are needed. However, if the engine is regularly cleaned before each oil change, a quick “five minutes” will be sufficient.

For this reason, it is necessary to select the correct flushing fluid to obtain the desired result. It is also important to understand that flushing (both High-Gear and others) in some cases can harm the engine. The fact is that the compositions are not capable of completely dissolving heavy deposits, but under the influence of washing, lumps and clots peel off from the surface of the parts.

As a result, in dirty engines there is a risk that the oil pickup screen and fine channels are literally clogged with dirt. For this reason, the engine may begin to experience oil starvation; individual parts begin to operate under dry friction conditions and quickly fail.

It should also be added that even mild washes, one way or another, still affect rubber elements. In practice, this means that after using the composition, a leak may appear due to a violation of the tightness of oil seals, gaskets, etc., and an increase in oil consumption is possible.

Another common cause of lubricant leaks is that in older engines, contaminants can act as an additional “sealant”. Moreover, after washing off such dirt, an element that has become deformed over time and has lost its elasticity (for example, an oil seal) completely ceases to perform its functions.

As a result, the part will need to be replaced, which means unscheduled engine repairs. Taking into account the above, it becomes clear that before using flushes, it is necessary to separately take into account its condition, degree of contamination and general wear.

Instructions for use

The Hi-Gear 5-minute engine flush is used as follows:

• warm up the engine and turn it off;
• add the product to the existing oil in the system;
• start the engine and let it idle for five minutes;
• turn off the engine and drain the oil;
• change the filter and oil with new ones.

One container with the product is enough for 4-5 liters of oil. For very heavy contamination or a larger lubrication system, use 2 packs. But this volume cannot be exceeded - the seals may be damaged.

What is flushing?

Today, the domestic car market allows you to choose motor oil from different price categories and with different characteristics. Some fluids contain chemical elements that allow you to flush the internal components of the engine while it is running. As a result, there will be no carbon deposits and deposits in the system, which means that flushing the engine will not be particularly necessary.

When using lower-quality motor fluids, the likelihood of deposits and carbon deposits appearing in the engine structure increases significantly. Not every motorist knows what this means. Firstly, fuel consumption increases due to clogged elements of the injection system. Secondly, the consumption of engine oil also increases, which will have to be topped up regularly. In this case, there is only one way out - flushing the engine.

Cleaning the internal structure of the motor from carbon deposits using a brush

Engine flushing fluid is a special detergent designed to clean the internal components of the internal combustion engine. Typically, the engine flushing procedure is needed when the car owner uses different types of engine fluid. In these cases, carbon deposits appear in any case, however, in addition to this, other harmful substances appear in the engine in the form of deposits, which over time will negatively affect the operation of the unit.

Depending on the type of flushing fluid, its application may vary. Some fluids need to be added to the engine oil while the car is operating. Such substances are added periodically to the engine to prevent the formation of deposits. Other soft flushes are used when changing the oil so that harmful substances leave the system along with the “working off”. The third means are flushing liquids that need to be poured and “driven” through the system after draining the used liquid. Each engine flush has its own properties and characteristics, but how to choose what you really need?

Hi-Gear mild cleaner for engines with wear with SMT2

The engine needs cleaning in three cases: if it has not been used for a long time, if the engine mileage is over 70,000 km, or if it is a heavily used car purchased from an unreliable seller.

It follows that cleaning is most often necessary when the motor is significantly dirty or worn out.

Due to the fact that Hi-Gear engine cleaner works while the engine is running, it allows you to optimize its operation so that driving is comfortable under any conditions and changes in driving style.

The operating principle of the SMT Hi-Gear cleaner is to create a protective microlayer on engine parts, which facilitates the work of rubbing parts and also prevents the accumulation of engine operating products - such as varnish, soot or carbon deposits.

This principle of operation is ensured thanks to the content of metal conditioner SMT2, which belongs to a new generation of synthetic products that facilitate friction of metal engine parts.

The advantages of this metal conditioner are that it is artificially synthesized, which ensures long-term preservation of its properties, but at the same time, it is not flammable, completely non-toxic and degradable.

Having the property of reducing the coefficient of friction, SMT2 uses oil as a carrier, making it possible to operate the machine without lubrication even in emergency mode.

Advantages and disadvantages

Like any other consumable, Hi-Gear has both advantages and disadvantages. All of them are given below.

Pros:

1. Comparative availability. In the domestic automobile market, you can purchase this PS at any auto store. There may be problems with purchasing depending on the specific region, however, Hi-Gear soft flushing is sold successfully online.
2. Good cleaning qualities. This is confirmed by consumer reviews.
3. Universal additive package. Hi-Gear soft flushing can be used in all internal combustion engines without exception with any type of motor oil.
4. Prevents destruction of unit components. Unlike some other types of flushes and motor fluids, Hi-Gear PS reliably protects the elements of the unit.

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As for the disadvantages:

1. High cost compared to other analogues. About 400-500 rubles (150 hryvnia) for a small cylinder is a bit expensive for a domestic motorist. Hi-Gear is American quality, but on the domestic market you can also find other flushing products from foreign manufacturers that have such effective functions. Accordingly, the cost will be lower.
2. Not all consumers note the good quality of PS. It all depends on the vehicle model and its operating conditions.
3. The use of soft PS in old engines is effective, this is confirmed not only by reviews, but also by the results of numerous tests. Using Hi-Gear in old cars can be effective, but when it comes to new vehicles, car owners do not always feel the results.

Rating

Currently, a huge number of different flushes for the engine oil system are sold on the shelves of car dealerships. Having summarized all the information about the most popular products, it was possible to create a rating of 10 products. The search for effective engine flushes was based on feedback from use as well as their performance characteristics. We offer a short review in order to find out the real effectiveness and choose the best and most effective one.

Liqui Moly Oil-Schlamm-Spulung

Positioned as a mild engine flush. Laboratory tests have shown that the product contains elements also found in fresh synthetic oil. In addition, it has detergent and extreme pressure properties since it contains calcium, magnesium, boron, zinc and phosphorus. Thanks to this, the surface of engine parts is reliably protected from the decomposition products of old oil present in it.

The can is enough to fill 5 liters of oil. The flush must be filled 100...200 km before changing the oil. At the same time, remember that during the period when the flush is filled, you cannot use the engine at more than two-thirds of its power (drive in a gentle mode).

Sold in 300 ml cans. Its price at the end of 2022 is 850 rubles. Article - 1990.

1

• Advantages:
• Balanced composition, the presence of gentle additives and cleaning elements;
• Has anti-scuff properties;
• Can be used even in older engines.

• Flaws:
• Small volume of the can;
• Relatively high price.

Hi-Gear Motor Flush HG2214

This is a classic American quick engine oil flush. The instructions indicate that it needs to be poured into the system for 10 minutes. It can also be used as a means for restoring compression and oil scraper rings since it does not contain substances that destroy rubber or plastic. Additionally, there is a so-called “friction winner” (Energy Release), which is believed to contain chlorinated paraffins.

In addition to directly cleaning the engine elements, the High Gear product provides good heat removal, which has a beneficial effect on the parts, preventing them from heating up significantly during operation. The effectiveness of oil flushing greatly depends on the specific conditions of use and the condition of the engine.

Sold in a 444 ml can, which is enough for a volume of 5 liters of oil. Its price is about 620 rubles. Product number for purchase: HG2214.

2

• Advantages:
• Positively affects rubber and polyurethane products;
• Can also be used in turbocharged engines;
• The use of flushing the oil system of the old engine is envisaged.

• Flaws:
• Requires high precision work of the additive over time;
• Efficiency is highly dependent on the condition of the engine.

Liqui Moly Engine Flush

This is a 5-minute engine flush that can be used for both gasoline and diesel engines. The manufacturer reports that the product can also be used in motors operating under heavy load. This creates a protective layer effect that reduces friction.

The key to a positive effect is the use of flushing the engine lubrication system with Liqui Moly regularly for preventive purposes, that is, only in slightly contaminated cases. In engines with severe contamination and/or improper use of the product, motorists note low efficiency.

Laboratory test studies have shown that the washing actually contains the following elements - calcium, magnesium, boron, zinc, phosphorus. And also the absence of any aggressive chemical elements. This means that flushing can be used as a universal tool, not just for flushing the oil system. That is, the composition is able to effectively counteract the occurrence of scuffing and engine wear.

Sold in a 300 ml can, which is recommended to be dissolved in 5 liters of motor oil. Its price is 460 rubles. Article to buy - 1920.

3

• Advantages:
• Relatively low price;
• Flushing can be used to flush and protect engine elements and its oil system;
• Non-aggressive chemical composition.

• Flaws:
• Exclusively prophylactic drug.

Liqui Moly Pro-Line Motor Spulung

Another quick cleaning product (10 minutes) from the German company Liqui Moly. Able to effectively wash combustion products in the elements of the engine oil system, but only with a small layer of deposits. Especially because after finishing work it completely evaporates, so there is no need to worry that the residue will mix with the new oil. Can also be used to flush manual transmissions.

Chemical analysis showed that the flush contains not only cleaning elements (Ca - 780 mg/kg), but anti-wear additives (Zn - 2181 mg/kg, P - 2179 mg/kg) and an organic solvent. Therefore, such a quick flush can effectively and gently clean the engine.

Sold in a 500 ml can, which is enough to fill a system with a volume of up to 5 liters, the price is about 700 rubles. Its article number is 7507. And also, what is noteworthy, can be found in 1 and 5 liter canisters..

4

• Advantages:
• Various packaging volumes;
• The versatility of the product;
• Quite a lot of anti-wear additives.

• Flaws:
• Efficiency deteriorates as the layer of oil and fuel combustion deposits increases.

Hi-Gear Motor Flush HG2204

According to the stated characteristics, it is a highly effective soft express flush for engines with high mileage and contamination (designed to operate at idle speed for 5–7 minutes). In addition to cleaning, it eliminates coking of oil scraper and compression rings. Compatible with all types of oil, safe for rubber and plastic. Can be used in gasoline and diesel engines, including turbocharged ones.

However, the tests and chemical analysis did not show any fantastic results. In particular, the composition does contain a detergent additive - calcium, but what is most surprising is that its content is lower (only 1682 mg/kg) than that of a similar product HG2214 (2247 mg/kg). So, when using it as a cleanser, you shouldn’t hope for a miracle, unless the main effect is achieved due to a solvent that the manufacturer does not mention in the composition.

Sold in a 444 ml can. Its price is 500 rubles. Order number: HG2204.

5

• Advantages:
• Suitable for use with gasoline and diesel engines, including turbocharged ones;
• Compatible with both mineral and synthetic oil;
• Safe for rubber and plastic;
• Can be used to prevent ring decarbonization.

• Flaws:
• Mediocre performance in terms of the level of removal of carbon deposits, slags and oxidation products from the channels of the lubrication system.

COMMA Petrol Engine

English synthetic oil flushing additive. A distinctive feature of which is that it can be used as a quick and soft rinse. In the first case, the composition is poured into the engine, which idles for 10 minutes. After this you can change the oil. In the second case, the product is poured into the engine a week before the replacement procedure. However, in the latter case, the car must simply stand there; you cannot drive it!

Suitable for use in gasoline engines. It has a thick consistency. Chemical analysis showed that the drug is based on motor oil with a concentrate of additives. Moreover, most of all are detergents - 3509 mg/kg, although there are much more anti-seize agents than in any other product (2572 mg/kg zinc and 2611 mg/kg phosphorus).

The use of such detergent-dispersant additives instead of organic solvents has its own nuances. What is achieved is not the dissolution of oil deposits and dirt, but their peeling off. And here lies the danger! If the system's filter is in order, it will be able to catch large chunks of dirt. Otherwise, she will move further through the system. Therefore, it is absolutely forbidden to use such a product in heavily polluted engines! The best option is to use the rinse as a 10-minute cleaning agent.

Washing is carried out in a 400 ml bottle which is enough for 5 liters of oil. The price of such washing is about 400 rubles. Article: EF400M.

6

• Advantages:
• Better efficiency in removing deposits and dirt;
• Neutralization of harmful acids;
• Releases stuck piston rings.

• Flaws:
• It is impossible to use the product if the oil filter is clogged and/or the oil system is very dirty.

Hi-Gear-Engine-Tune-up-HG2202

This is a mild engine oil system cleaner whose main composition is a pure solvent (petroleum distillate) as it has practically no third-party additives (silicon - 18 mg/kg and phosphorus - 7 mg/kg). Therefore, it is similar to the action of “old-fashioned” acetone. Makes it possible to clean the crankcase ventilation system, restore the capacity of the PCV valve, and clean the piston rings from carbon deposits. It is recommended to fill it only with semi-synthetic and mineral oils.

The product can only be effective for cars with average mileage. On older engines with high oil consumption, it is recommended to fill and drive with it 100....200 km before changing the oil.

But the composition of this drug still raises doubts. After all, like an engine flush, having a meager number of additives and only traces of hydrosilicates can cope with the declared characteristics. So, most likely, this flushing of the engine lubrication system is a representative of the “empty” class. That is, it absorbs dirt floating in the engine and is drained when changing the oil.

For better effects, it is necessary to combine this drug with another that has a package of additives. A 946 ml cylinder HG2202 costs about 500 rubles.

7

• Advantages:
• Multifunctionality;
• Possibility of use in worn-out engines.

• Flaws:
• No detergent or extreme pressure additives.

ER PROFESSIONAL motor Flush P023RU

This 5 minute engine flush is made in Russia by AGA. Aimed at cleaning CPG parts from carbon deposits and varnish. It is safe for seals and gaskets. The manufacturer claims that it was tested on VAZ cars and allowed the car to be operated for 300 thousand km without major engine repairs.

Contains metal conditioner. In addition to cleaning channels and other system elements, it also increases engine compression. Use exclusively before the next engine oil change.

Real tests have shown that it actually contains calcium elements in an average concentration (1772 mg/kg). Accordingly, washing actually has a cleaning effect, although it is not so pronounced. But in general, it is quite possible to use it, the main thing is to respect the time frame.

Sold in a 444 ml can. Its price is 300 rubles. Article - P023RU.

8

• Advantages:
• Low price with an average cylinder volume;
• Gentle on rubber and plastic parts;
• Presence of detergent additives.

• Flaws:
• Useless when used in an engine with high mileage.

LAVR Motor Flush Soft

Produced in the Russian Federation. The stated capabilities note that this flushing of the oil system is universal. This will not only remove carbon deposits and deposits, but also protect the surface of engine parts from scuffing. Soft flushing Laurel according to the instructions is poured into the system approximately 100...200 km before the planned oil change.

However, laboratory analysis showed that the rinse does not contain the additives themselves, but only their elements. In particular, traces of calcium, zinc, phosphorus and a very tiny amount of boron were found. Therefore, we can conclude that such flushing may be harmful to the engine over such a long distance as 200 km. Therefore, it is recommended to use it either at shorter distances (which is more appropriate) or as a classic “five-minute” when idling. But with this effect there is another additive from laurel, 7-minute solvent-based.

“Soft” Laurel Motor Flush Soft is sold in 330 ml bottles, which is enough for an oil system with a volume of 4...6 liters. Its price is 240 rubles. Article: LN1005.

9

• Advantages:
• Cheap;
• Compatible with all types of motor oils.

• Flaws:
• At a distance of 200 km, judging by the composition, it can only harm the engine.

BG 109

Another American product related to quick flushing of oil channels, and according to the instructions it should be poured into the engine for up to 10 minutes. It is positioned as an effective drug that is safe for all engine components, including rubber and plastic. Among other functions, it increases compression and can also be used to decarbonize oil scraper and compression rings. Therefore, car owners buy it in the hope of miracles.

However, practical tests of this flush have shown that it has very mediocre properties. In short, it does not fully correspond to the manufacturer's statements. Among the positive test results, it is worth noting that BG 109 actually slightly increases compression, and can also be used for incomplete decoking of rings. It is used only as a prophylactic agent. This brand has other means for solving problems of flushing and restoring engines. For example, it is recommended to use BG 110, which is an additive to motor oil and enhances its properties, extends service life, and maintains engine cleanliness and performance. Therefore, it is advisable to use these two described products in pairs.

Sold in a 325 ml can, a 948 ml canister and a small 18.9 liter barrel. A small can is enough for a system with a volume of 4...5 liters of oil. Its price is 500 rubles. Article - 109.

10

• Advantages:
• Increases compression;
• Use for decoking of rings;
• Sold in packages of various sizes.

• Flaws:
• The effectiveness of cleaning the oil system is greatly “inflated” and requires the use of an additional product;
• High price with all other characteristics being equal to analogues.

Conclusion

Hundreds of oil system flushes, costing from 240 to 850 rubles, can only be revealed in chemical analysis laboratories. And you, dear car owners, can only hope for the honesty of the manufacturer or rely on reviews from other users of already tested, proven products and flushes of the engine oil system. You can only focus on the price, which for all of the above funds at the end of 2022 (compared to the spring of 2018) increased by an average of 27%.

Therefore, even if you buy an original and not a counterfeit drug, you should not expect a miracle from it. Yes, the chemical composition will remove some amount of soot and carbon deposits from the engine, but a large amount of them will remain in the power unit. After all, as you can see, not all products are as good as they are advertised.

An interesting fact is that the manufacturer does not really hide the direct function of its liquid. In the very name on the body of the five-minute watch it means “washing”, not “washing”. We advise you to pay attention to the translation of English and German words. Flush - “washing”, “washing”, “rinsing”, cleaner - “cleaner”, “cleaning”, Spülung - “washing”, “cleaning”, “washing out”.