Brake discs, pads and master cylinders are important components for the safety of a vehicle, but are virtually ineffective without brake fluid. Nevertheless, many car owners are quite lax about it and eventually become something Top up brake fluid. But the manufacturers give very specific deadlines when the brake fluid needs to be changed.
 1,5Excellent Liqui Moly P003357 3085 brake fluid DOT 4
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 1,6good ATE 706402 brake fluid SL6 DOT4, 1000 ml
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 1,7good Brembo L04010 Brake Fluid Dot 4 1000ml
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 1,8good TRW PFB405 brake fluid
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 1,9good EUROLUB brake fluid DOT4, 5 litres
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| Name | Liqui Moly P003357 3085 brake fluid DOT 4 | ATE 706402 brake fluid SL6 DOT4, 1000 ml | Brembo L04010 Brake Fluid Dot 4 1000ml | TRW PFB405 brake fluid | EUROLUB brake fluid DOT4, 5 litres |
| Price | Check price | Check price | Check price | Check price | Check price |
| comparison result Note on the comparative grade |
The Best producttest-vergleiche.com1,5Excellentbrake fluid |
TOP Productstest-vergleiche.com1,6goodbrake fluid |
TOP Productstest-vergleiche.com1,7goodbrake fluid |
TOP Productstest-vergleiche.com1,8goodbrake fluid |
Best Performance test-vergleiche.com1,9goodbrake fluid |
| Manufacturer / distributor | LiquiMolly | ATE | Brembo | TRW | EUROLUB store |
| Type | DOT 4 | DOT 4 | DOT 4 | DOT 4 | DOT 4 |
| Contents | 500ml | 1000ml | 1000ml | 5000ml | 5000ml |
| Price per liter | 17,18 ?? | 12,70 ?? | 10,97 ?? | 5,77 ?? | 4,91 ?? |
| Viscosity | 1.800 mm²/sec | 700 mm²/sec | 1.400 mm²/sec | 1.800 mm²/sec | kA |
| dry boiling point | 230 ° C | 265 ° C | 260 ° C | 230 ° C | 260 ° C |
| wet boiling point | 155 ° C | 175 ° C | 165 ° C | 155 ° C | 165 ° C |
| Change interval | 2 years | 2 years | 2 years | 2 years | 1 year |
| Suitable for cars | ja | ja | ja | ja | ja |
| Suitable for motorcycles | ja | no | no | no | kA |
| temperature resistant | ja | ja | ja | ja | ja |
| Corrosion Protection | ja | ja | ja | ja | ja |
| more containers | no | no | 250 ml, 500 ml | no | 1000 ml, 20000 ml |
| Features | miscible with other brake fluids of the same specification | a Continental brand | for all vehicles with ABS | miscible with other brake fluids of the same specification | good price, quality ratio |
| Benefits |
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| Conclusion | Brake fluid made in Germany | Thin brake fluid with a particularly high boiling point | Brake fluid with high resistance to vapor lock | Mixable brake fluid for a good price | Brake fluid DOT 4 in large containers |
| To the Amazon offer |
Our comparison chart for Brake fluid comparison does not replace one Brake fluid testin which a special Brake fluid test winner can be recommended. In order to increase the added value for our readers, we may link to an external brake fluid test from trustworthy sources. Only you decide which model is your personal Brake fluid test winner is.
When changing, things like viscosity, temperature resistance or corrosion protection play a major role. That Brake Fluid Offer in trade is correspondingly large. From the best brake fluids to cheap brake fluids everything that the "screwdriver" needs is commercially available. This guide should clarify the most important things.
Vehicle brakes are important for safety. Broken brakes are every driver's nightmare. One is particularly at risk when driving in serpentines, where the brakes are extreme and the brake drums can overheat. It is therefore important that the brake fluid still works effectively even at very high temperatures. The same applies at low temperatures. Our Brake fluid comparison from the Test-Vergleiche editorial team would like to give you all the relevant information about Change brake fluid as well as the differences between the DOT classes and the most important purchase criteria.
In hydraulic braking systems, brake fluids transmit the braking force from the pedal to the brakes. The condition of the brake fluid is responsible for the speed of the braking reaction, it must also function at high temperatures and it must only absorb a small amount of water. If the water content is too high, the boiling point of the brake fluid is lowered and so-called vapor bubbles can form which can be compressed. In the worst case, this can lead to total brake failure. The brake pedal can be depressed empty and there is no longer any braking effect. Therefore, the brake fluid must be renewed regularly.
Each good brake fluid has the task of transferring the force exerted on the brake pedal to the brake booster. Here, the master brake cylinder converts foot pressure into hydraulic pressure, which is transmitted to the wheel brakes via brake lines. The brake fluid is the transmission medium for converting the mechanical braking force into hydraulic braking force.
Braking generates heat, which is also transferred to the brake fluid. This can result in very high temperatures, which can heat a brake fluid up to the boiling point. The brake fluid is boiling! This reduces the braking power enormously. Stepping into the void is then the worst effect. The boiling point, the viscosity and the DOT class play an important role, which we will discuss later.
It describes the viscosity of the brake fluid. In modern braking systems such as ABS or ESP, it must be particularly low, as bores and channels can be smaller than a human hair and choosing the wrong viscosity could have fatal consequences.
An important aspect to ensure the functionality of the brakes. A distinction is made here between dry and wet boiling points. The dry boiling point describes the still unused brake fluid with a boiling point of 240 to 280° C. The wet boiling point, on the other hand, describes the state that the brake fluid reaches through the absorption of moisture. From a water content of 3,5%, this is reached and the brake fluid must be changed.
The DOT (United States Department of Transportation) describes the minimum requirements for brake fluids based on glycol or silicone via the standard FMVSS (Federal Motor Vehicle Safety Standard)116.
| Type | dry boiling point | wet boiling point | Viscosity |
|---|---|---|---|
| DOT 3 | 205 ° C | 140 ° C | 1.500 mm²/sec |
| DOT 4 | 230 ° C | 155 ° C | 1.800 mm²/sec |
| DOT 5.1 | 260 ° C | 180 ° C | 900 mm²/sec |
Mainly found in older vehicles, should not be mixed with other brake fluids.
DOT 4 has a higher boiling point and is used in all current vehicle types. Somewhat different brake fluids according to DOT 4 are offered for electronically controlled systems such as ABS or ESP. These have a lower viscosity and are available under DOT 4 Plus, -Pro or -HP.
This is a product based on silicones, which is mainly sold on the American market. Please do not confuse it with DOT 5.1, which is made on a glycol basis.
It is compatible with DOT 3 and DOT 4 and is ideal for racing and extreme conditions.
So you can check the condition of your brake fluid yourself and then the Change brake fluid:
Before we give you one Brake fluid purchase recommendation pronounce, we would like to draw your attention once again to the most important purchase criteria:
Please refer to your operating instructions for this. Most newer cars require DOT 4, older cars sometimes require DOT 3. DOT 5.1 is recommended for extreme conditions. DOT 3, 4 and 5.1 can be mixed with each other.
The higher the dry boiling point of a brake fluid, the higher the load on the brakes.
Here, too, we advise you to read the information in the operating instructions. Low viscosities are particularly important for vehicles with ABS and ESP.
Brake fluid can be found wherever there are car care products. With great certainty you can at ATU brake fluids to buy. At the same time, you also have the right advice here. If you are sure, you can of course also own yours Order and buy brake fluid online.
We recommend changing the brake fluid every two years for all newer vehicles. If it is driven for a long time, water can form in the brake lines and reduce the braking effect.
In general, a value of 3,5% moisture in the brake fluid is already worrying and it should be changed. You can have this determined in the workshop or you can get a brake fluid test device, which can be bought for a few euros.
There are mutliple reasons for this. If the minimum level in the brake fluid reservoir is below the specification, or if the brake fluid looks cloudy or dark, it should be changed. In vehicles that have not been driven for a long time, excessive moisture can also spread in the brake system, which means that a premature change must be made.
Changing the brake fluid is cheap compared to a repair for corroded brakes. For a liter of brake fluid you have to plan around 10 to 20 euros. Larger containers only bring it to 5 euros per liter. If a lot of brake fluid is required, a brake fluid price comparison is worthwhile.
Unfortunately, the Stiftung Warentest has not yet dealt with a brake fluid test report. But brake fluid test winner is the one who changes his brake fluid regularly or has it changed.
You will definitely find what you are looking for here on the websites of ADAC, Auto Bild and other various magazines. A good source are also reports in the customer reviews of other buyers.
DOT (United States Department of Transportation) is an indication of the viscosity and boiling point of brake fluid. Most modern vehicles require DOT 4, while older vehicles require DOT 3. To choose the correct brake fluid for your vehicle, you will need to consult your owner's manual.
There are brake fluids that are also suitable for motorcycles. Here we can only refer to the operating instructions, because not every brake fluid is suitable for every vehicle.
Good braking can save lives. Therefore, your brake fluid should be renewed regularly. If you are reasonably gifted with your hands, you can Brake fluid change costs save in the workshop and do the change yourself. What even not so talented "screwdrivers" can do is topping up the brake fluid or testing it.
The Liqui Moly P003357 3085 brake fluid DOT 4 was rated as “Very Good” by far in our comparison and was chosen as “Best Recommendation” compared to other articles.
Jonas
Author test-vergleiche.com
Updated January 13, 2024
Discover in our Brake fluid test and comparison guidehow to choose the perfect product for your needs.
Greetings from the world of nature! My name is Jonas, an enthusiastic hobby mountaineer, cyclist and angler. Mine leisure I often spend time in the most beautiful camping areas in the world. In addition to my passion for outdoor activities, I am also interested in sporting events and, thanks to my professional work in the automotive industry, in cars and motorcycles.
As an experienced author at Beste-Testsieger.de, where I go for the main categories DIY & Tools, leisure, Drug Store, Budget, Electronics, Home & Living, Fashion and Cars & Motorcycles My greatest concern is to share my passions with you. I hope you find exciting suggestions and inspiration in my brake fluid comparison.
My carefully compiled table offers you an overview of the top 5 brake fluid bestsellers. The basis of my selection is sales figures, survey results, brake fluid test reports and customer reviews.
I also keep an eye out for tests from Stiftung Warentest and share the results in my guide. My goal is to make the cost-benefit factor of the products clear to you to make your decision easier.
I would really appreciate your feedback. Please feel free to share your experiences - my portal at Beste-Testsieger.de and its wide range of categories is available to you around the clock.
Further information about our article can be found under Wikipedia, a platform of the most popular free encyclopedias on the Internet. Here you will learn a lot of interesting facts and information about our selection on the brake fluid to look up.
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