How to Bleed Brakes By Yourself

Mechanic Working On Brakes


Acura brake service involves a variety of smaller repairs that help keep the your brake system finely-tuned. Bleeding the brakes is one of those repairs. If air is trapped in your Acura brakes, you might wonder how to bleed brakes to release the air. The process is pretty straightforward but can be tedious, especially if you’re not into DIY projects. While we at Weir Canyon Acura in Anaheim recommend scheduling a service appointment so our auto pros can do it, we also believe knowing how to bleed brakes by yourself is good to know. Contact us if you need assistance.



Why is Bleeding the Brakes Important?

Bleeding the brakes is an important part of caring for your vehicle’s brakes. Over time, brake fluid wears down, and it begins to absorb water. Plus, air can get into the brake system, which causes the brake pedal to feel squishy or soft when you press down on it as you drive around Costa Mesa. Knowing how to bleed brake lines and performing it as needed will remove any trapped air and make your brake pedal feel more solid.

How to Bleed Brakes By Yourself

If you want to know how to bleed brakes by yourself, you’ll need to gather the following:

  • Brake fluid (Check your owner’s manual for the right type).
  • A box-end wrench
  • Fluid holder and ¼ inch clear tubing
  • Container to hold the fluid
  • A friend to help you

Once you’ve gathered everything you need, follow the steps below:

Step 1:

Park your vehicle on solid, level ground and jack up your car.

Step 2:

Remove all of your wheels.

Step 3:

Locate your four caliper bleeding screws and loosen them. If they won’t loosen, be careful not to twist too hard with the wrench. Instead, spray the screws with penetrating oil (available in our parts center) and wait approximately 30 minutes. Then, try again. If the screw strips or snaps off, don’t go any further. Bring your car to the Weir Canyon Acura service center near Tustin immediately.

Step 4:

After all of the screws are loosened, re-tighten them. Bleeding your Acura brakes is a slow process as you need to do one brake at a time. The other three screws will need to be tight to avoid air bubbles in those as you work on the other.

Step 5:

Pop the hood and look at the master cylinder reservoir’s brake fluid level. Be sure that it has the appropriate amount of fluid. While you’re bleeding the brakes, leave the master cylinder cap off and set it on top of the reservoir, so you don’t lose it. Typically you should start with the brake furthest from the master cylinder, but check your owner’s manual to ensure your vehicle doesn’t require a different order.

Step 6:

Secure the end of the ¼ inch clear tubing over the first bleeder screw and place the other end of the tubing into a container. The tubing needs to be long enough to place the catch container above the bleeder screw. The height will keep any air caught in the tube from moving back into the brake caliper.

Step 7:

You’ll need an assistant for this part. Turn your car off and ask your friend to pump the brake pedal firmly several times until they feel resistance against the pedal. Ask them to keep tension on the pedal. Meanwhile, turn the bleeder screw slightly, and fluid will start moving through the tube. Warn them that they should feel the pedal beginning to drop towards the floor. Make sure they keep applying pressure on the pedal.

Step 8:

Ask them to tell you right before the pedal reaches the floor. When they warn you, close the bleeder screw right immediately. Then, look at the fluid level in the master fluid reservoir to see if you need to add any fresh fluid.

Step 9:

Repeat the previous two steps about four or five times on the same bleeder screw until the fluid stream no longer contains any bubbles.

Step 10:

Then, repeat steps 7, 8, and 9 on the remaining three bleeder screws in the correct order. Start with the screw further away from the master cylinder and move toward the one closest to it.

Step 11:

After you’ve finished bleeding your Acura brakes, ask your friend to step on the brake pedal and then quickly release it. While they do that, watch the brake fluid in the master cylinder reservoir. If the brake fluid is bubbling, there’s still air in the system, and you need to repeat the steps until all the air is out. However, if the fluid moves just slightly, you’ve bled the brakes fully.

Step 12:

Before putting the wheels back on your car, tighten the bleeder screws but don’t use all your strength. Only apply enough pressure to make sure the screws are secure.

Get Brake Service at Weir Canyon Acura!

Now that you know how to bleed brake lines, if you need Acura service, contact us at Weir Canyon Acura. We are just a short drive from Montclair and ready and willing to help! You can easily schedule Acura brake service online. While you’re here, ask about our service specials to save some money! Reach out to us today!


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