Why Do You Need to Flush Brake Fluid

Brake fluid is an important part of a car’s braking system. It helps to slow down or stop the car, and it needs to be replaced as part of your regular maintenance. But why do you need to flush brake fluid?

What is brake fluid?

Brake fluid is a liquid that is used to assist the braking system on a vehicle. It is drawn from the master cylinder and helps to slow or stop the car. Brake fluid can also help to prevent brake dust and debris from becoming airborne when the brakes are applied.

When should you flush brake fluid?

Brake fluid is a type of antifreeze. It’s used to help stop the movement of brake pads and rotors. Brake fluid should be flushed every 3-5 years, depending on the type of brake system you have.

What to do if you don’t flush brake fluid

If you don’t flush your brake fluid regularly, your brakes may not work as well as they should. Brake fluid is a lubricant that helps protect your brake pads from rust and corrosion. Over time, brake fluid can become contaminated with material that can cause your brakes to stop working properly. Here are four steps to follow if you notice that your brakes aren’t working as well as they should:

1. Check the level of brake fluid in your reservoir. If the fluid level is low, add more fluid to the reservoir.

2. Check for contamination in the brake lines. If you see any debris or residue on the outside of your brake lines, remove it using a wire brush or a vacuum cleaner.

3. Flush the system with fresh brake fluid. To flush the system, use a container with a spout that fits over the brake line at the front or rear of your car. Pour enough fluid into the container to cover the line and tip it up so that it sprays onto the road surface behind your car. Use a cloth or bucket to catch any excess fluid.

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4. Replace any contaminated parts. If you find evidence of contamination inside or outside your car.

How to flush brake fluid

Brake fluid is a necessity on any car, and it’s especially important to flush it when you first get your car. Brake fluid is a natural oil, and over time it can become contaminated with dirt, dust, and other debris. This can cause the brake system to malfunction, so flushing your brake fluid every time you get your car serviced is essential. Here are four tips for flushing your brake fluid:

1. Open the hood and remove the cap on the brake fluid reservoir. Use a funnel to pour in enough brake fluid to cover the bottom of the reservoir. Don’t pour too much or you’ll overflow and ruin your brakes.

2. Close the hood and wait about 10 minutes for the brake fluid to soak into the ground around the reservoir. Once it’s done soaking, use a hose to drain all of the fluid out of the reservoir. Discard any old or contaminated brake fluid in a designated area.

3. Repeat steps one and two until all of the brake fluid has been drained from your car. Be sure to reinstall the reservoir cap once everything is finished!

4. Drive your car according to normal driving habits for least a week to make sure the brake system is working properly. If there are any problems, take your car back to your mechanic for repairs.


Brake fluid is an important part of your car’s system, and it needs to be flushed regularly in order to keep it working properly. By flushing the brake fluid, you are also preventing mineral build-up and other problems that can occur over time. Make sure to schedule a brake fluid flush at your next oil change so that everything in your car is up to date and functioning as it should.

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