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Brake Fluid
All You Need To Know

As the condition of your car's brake system is directly responsible for your safety as well as that of others, it is important to choose a product which can guarantee the maximum performance and protection of all of its components. In reality, brake fluid is one of the most neglected of vehicle fluids, when this is contaminated and not changed accordingly, it can be responsible for ineffective braking.

Why do i need to change my brake fluid?

Brake fluid is hygroscopic, which means, over time it will naturally absorb water. This reduces the effectiveness of the brake fluid. Once the water content rises above 3%, the effectiveness of the braking system can be greatly reduced. The problem occurs because water reduces the boiling point of the fluid, air bubbles are created and braking can become ineffective.

The problem is made even more dangerous because braking will appear normal until the brake fluid reaches boiling point. This would normally happen after heavy braking down a steep hill, or on a motorway. The brakes become spongy and less effective. However, once the fluid has cooled down, braking efficiency will return.

What does brake fluid do?
Since liquids can't be compressed whenever the brake pedal is pressed, the brake transmits force to all parts of the braking system which will apply the brakes. Brake fluid must have a high boiling point because of the heat generated during braking and must not freeze during cold temperatures.
Checking the brake fluid

Check the fluid in the reservoir. If the fluid is below the "MIN" level or the brake warning light comes on, add brake fluid up to the "MAX" line.

If brake fluid has to be added frequently, the system should be throughly checked because it may have developed a leak.

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