How to Properly Flush Brake Fluid & Its Importance

Many people pay a huge price for their safety every time they drive with clean brake fluid. Basically, brake fluid helps turn pressure into stopping power for your car. If the fluid is in good shape, it should do what it’s supposed to do. However, if it gets dirty or old, it might not work the way it’s supposed to.

Is a brake fluid flush really necessary?

A lot of people have asked if a brake fluid change is really needed. Yes, and this is why. Your car’s stopping system is made up of different parts that work together to stop it. But in all of this, the brake fluid is very important for providing stopping power. The brake fluid in a tube helps move hydraulic pressure to the piston in a disc brake system.

Always pressing the piston against the brake pad, which makes the brake disc rotor move and stop your car. In a drum brake system, the brake fluid-filled tube sends force to the wheel barrel where the piston is housed. So, the pistons are pushed against the brake shoes, which are then pressed against the brake drum to stop the car.

In both cases, the brake fluid is a good thing. To do this, though, it has to be clean. But as time goes on, it gets dirty from picking up dust and other particles from other parts of the brakes. If your fluid is dirty, your brakes won’t work as well, which can be very scary.

Because it is hygroscopic, brake fluid also soaks up water, which makes it less effective.

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The heat that is made when the brakes are applied can also damage the fluid. That’s why you need brake flush. When you flush the brake fluid, the housing for the fluid, and the transfer lines stay clean.

Always leads to better stopping power and furthermore keeps you safe. It also lowers the chance that the brakes will fade and that the caliper or wheel cylinder will break. This always makes them last longer and costs you less money.

How to flush brake fluid

People who are trained to do it have all the tools and equipment they need to make the brake flush process easy and quick. It does cost money, though. Make sure you know your way around if you want to do it yourself to save money. Start by getting the brake fluid that the producer suggests. Your owner’s manual should tell you what that is.

Also, bring your brake fluid clean kit with you. A digital voltmeter, an open-ended spanner, a brake bleeder, and other tools should be in the kit. Last but not least, two people should do this job. When you do a brake clean, make sure someone is with you. Once everything is ready, do what this process says.

Prepare the car

Put your car in gear and park it on level ground. Then, put a wheel chock or something similar behind the tires to keep them from moving.

Locate the master cylinder reservoir

Open your car’s hood and look for the master cylinder. This is where the brake fluid is kept. It used to be light yellow brake fluid, but now it’s a different color.

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You don’t want to throw away brake oil that is still good. So, a brake fluid tester can be used to check the state of the brake fluid and let you know if it is still good. If the test shows that the fluid needs to be replaced, move on to the next step.

Remove fluid from the master cylinder reservoir.

Any of these things (transfer pump, big syringe, small siphon pump, turkey baster, etc.) can be used to drain all the brake fluid from the master cylinder. Some of the fluid may still be there after this process, though. It’s likely that about 20% is still there. Don’t worry about it, though.

Fill with fresh fluid and bleed.

After adding new brake fluid to the tank, the brakes should be bled. You can start with the seat/caliper in the back and then move to the front. For a good view, use jack stands to hold up the side of the car you want to bleed about two feet high. Take off the wheels to get to the caliper/wheel cylinder and bleed it.

Find the bleeder valve and take it off. This valve helps keep the brake fluid from spilling out. Then, connect the brake fluid flush tube. To drain the fluid, have your partner press down on the stop pedal while you open the bleed valve.

After the rusty brown fluid is gone, new fluid will start coming out of the tube. This means that all of the old fluid is gone. Do this again with the other wheels as well.

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Also, check the master cylinder tank every time you bleed a wheel. On the other hand, if you bleed the brakes and no fluid comes out, you might have a broken screw bleeder valve, a problem with the caliper, a jammed brake system, or air or air bubbles in the system.

Top it off

Finally, add more brake fluid until the tank is full. Do this for all four wheels. After that, make sure there are no leaks in the system and check the amount of brake fluid in the reservoir.

Conclusion

Doing a brake fluid clean is important for keeping you safe while driving, protecting other brake parts, and saving money in the long run. You can do a brake flush yourself for less money, but having a mechanic do it for you will be faster and better because they use a machine to flush the brake fluid.

If you type “brake fluid flush near me,” you’ll get a list of mechanics in your area. After a while, water, dirt, or air can get into brake fluid and make it less effective. This could hurt the brake parts, make the brakes less effective, or even cause the brakes to fail. For those who are wondering, is it important to flush the brake fluid? You now know the truth. It has to be done.

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