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What brake fluid do I need

There are several types of fluid. For example, DOT 3, DOT 4 and DOT 5.1. These are formulated on the basis of polyglycerol. The different DOTs represent the boiling point. DOT 3 has a minimum (dry) boiling point of 205 ° C, DOT 4 of 230 ° C and DOT 5.1 of 270 ° C. In addition, there is also the ‘wet’ boiling point. This is measured with 3% water in the brake fluid. We take into account that the liquid is already a few years old and has water in it. For this reason, it is called the wet boiling point. As already described, brake oil absorbs water over time. This yields other minimum boiling points. DOT 3 has a wet boiling point of 140 ° C, DOT 4 of 155 ° C and DOT 5.1 of 190 ° C. The higher the DOT number, the more heat resistant the brake fluid is.

You can read which fluid is suitable for your car in your car’s manual. But most passenger cars have DOT 3 brake fluid or DOT 4 brake fluid. DOT 5.1 brake fluid is only used with a number of vehicles.

Top up brake fluid

It is important that there is enough brake fluid in your car. You can easily check this. There is a brake fluid reservoir in the engine compartment on the driver's side. This is often a small white transparent reservoir. You can easily check whether it is still at the right level, check this with the cap still on. If this is not the case, you will have to top up the brake fluid. You can then unscrew the cap and look at the colour of the liquid. If the liquid is brown or black, you must refresh it. If the colour is still bright yellow, you can fill the reservoir up to the level with new fluid. Don’t forget to screw the cap back on.

Change brake fluid

Because brake fluid attracts water, it must be changed every 1 or 2 years. If the fluid is left too long in the reservoir, the water content will become too high. This can cause a ‘vapour lock’. A vapour lock means that the moisture in the oil starts to boil. When it boils, air will enter the brake system. The operation of the braking system will then be affected, which can cause dangerous situations. Brake fluid only works well if it is not contaminated. If there is water or air in it, it will influence the braking behaviour.

Are you going to change the brake fluid? Then it is best to take the liquid with the same specifications as the current one. You do not need any special tools to renew it. You can easily do it yourself:

1. Clean the area around the reservoir;
2. Jack up the car and remove the wheels;
3. Connect a hose to one of the bleed nipples;
4. Then drain the system by opening the bleed nipple and pressing the brake pedal;
5. Is the reservoir almost empty? Then you can add the new brake fluid. Note: make sure the reservoir is not completely empty, otherwise, air can enter the system;
6. Then press the brake pedal a few times until the new fluid is in the hoses;
7. Close the nipple again.

Brake fluid

Brake fluid is essential for the brake system to function properly. It ensures that the brakes work as soon as you press the brake pedal of your car. The force that is generated will then be transmitted by the fluid into the brake cylinders. The force is transmitted immediately because liquids cannot be compressed. There are different types such as: DOT 3, DOT 5.1 and DOT 4 brake fluid. At Winparts you can choose, among others, for the following brands: Eurol, Castrol Oil, Kroon oil and ATE.

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Brake fluid ATE DOT 4 1L

5 13 Reviews

Brake fluid ATE DOT 4 1L

5 13 Reviews

Dry Boiling Point: 260 °C
Type: DOT 4
Wet boiling point: 165 °C
Capacity [Litre]: 1
Content: 1 Litre
Packing Type: Can
MAPP code available
Warranty: 2 years
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DOT specification: DOT 4

£ 7.⁶⁵

Not available

Brake fluid

Brake fluid

£ 8.66

Brake Fluid Eurol Specialty Racing Brake Fluid 0.5L

£ 47.42

Brake fluid

£ 4.22

Brake fluid

£ 7.88

Brake fluid

£ 8.01

Brake fluid Liqui Moly DOT 4 5L

£ 34.07

Brake fluid

£ 31.89

Brake fluid Eurol DOT 4 Racing 5L

£ 96.68

Brake fluid

£ 2.85

Brake fluid

£ 13.44

Brake fluid

£ 3.50

Brake fluid Liqui Moly DOT 4 20L

£ 119.37

Brake fluid Liqui Moly DOT 5.1 EV 0.5L

£ 10.39

Brake fluid Liqui Moly DOT 5.1 EV 1L

£ 16.37

Brake fluid

£ 38.59

Brake fluid

£ 31.95

Brake fluid Bosch DOT 5.1 1L

£ 12.02

Brake fluid Castrol DOT 4 1L

£ 67.49

Brake fluid EBC DOT 5 0,25L

£ 26.39

Brake fluid ATE DOT 4 1L

£ 7.65

£ 8.⁶⁶

£ 47.⁴²

£ 4.²²

£ 7.⁸⁸

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£ 34.⁰⁷

£ 31.⁸⁹

£ 96.⁶⁸

£ 2.⁸⁵

£ 13.⁴⁴

£ 3.⁵⁰

£ 119.³⁷

£ 10.³⁹

£ 16.³⁷

£ 38.⁵⁹

£ 31.⁹⁵

£ 12.⁰²

£ 67.⁴⁹

£ 26.³⁹

£ 7.⁶⁵