How To Fix A Leaking Brake Bleed Valve (5 step solutions)

A leaking brake valve can be very troublesome sometimes. If you push the brakes, it does not create the proper pressure to stop the vehicle. The result? It can lead to dangerous accidents. So this problem must be fixed. 

That leads to the question, how to fix a leaking brake bleed valve? 

Replacing the leaking valve is the best option to fix it. You need to pull out the old valve and replace it with the new one. You can also take help from a professional mechanic. This process is almost similar for motorbikes as well. But, there are few things that are not similar when you’re fixing motorbikes’ bleed valves. Don’t worry, we have mentioned both processes for you.    

If you want to fix this problem, there’s a lot more to know. So, let’s see how to fix it!  

How to Fix a Leaking Brake Bleed Valve? (For Cars)

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Fixing a leaking brake bleed valve is not an easy task to do. You have to be careful about the adjustments even if you have vast experience in this field. However, we are providing you with the best solution to fix it. 

Tools You Need To Fix It

Before you begin, make sure you’ve got all the essentials you need. Here’s what you need for this job:

  • Impact Driver 
  • Jack and jack stand   
  • Wrenches
  • Bolt removal kit 
  • Drain Pan 
  • New Bleeder Valves 
  • Brake Fluid 
  • Gloves
  • 10MM Wrench

Replacing is the best solution if your vehicle’s valve is leaking. Don’t worry, we have got you covered!   

Step 1: Unscrew the Leaking Brake Valve

Begin by wearing gloves. Now, push the hand brake in your car. Locate the brake fluid pot by opening the bonnet of the car. Tighten up the brake fluid pot with your hand. 

Remember, this is an important step. You have to drip out all the brake fluid after opening the leaking brake valve. 

Here are some of our recommended gloves if you need one-

Step 2: Loosen All the Nuts

Loosen all the nuts of the tires by using your bolt removal kit. Use your jack and jack stand to elevate the car’s position. Take out the tires.  

Step 3: Remove the Leaking Brake Valve

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Locate the bleeder valve. As you will see there’s nothing you can attach to unscrew it. So, use the bolt removal backout tool to loosen the bleed valve. 

Now, put the back out the tool in the valve hole and twist it. Then, place the drain pan under the bleed valve to collect the brake fluid. 

Put the bolt removal kit in the bleed valve and set a wrench over there. Now, remove the old bleed valve and collect the brake fluid in the pan. 

Looking for a good quality wrench? Here are some of our recommendations-

Step 4: Replace It With New One

After removing the old leaking bleeder valve, replace it with the new one. Take the new bleeder valve and put it in the hole. Tighten it up with your hands and then use a 10 MM wrench to tighten it up harder.

As it is a 2 man’s job, tell your partner to hit the brakes while you tighten it. You have to ensure that there are no leaks and no air in it. Add brake fluid and fill up the whole jar which is located on the side of the engine. 

When it will stop leaking, that means you have successfully done the job! 

If you’re looking for the best quality bleeder valves, we have some suggestions for you. 

Now that you have your new bleeder valve, replace it! 

Step 5: Making Sure Everything Is Connected Properly

Now it’s time to set the tires. Also, make sure everything is connected properly. That’s it! You’re good to go! 

How to Fix a Leaking Brake Bleed Valve? (For Motor Bikes)

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The process of fixing car bleed valves and motorbike bleed valves are quite similar. 

You have to locate the source of the leak and clean all the fluid. Pull the brakes to measure the pressure level of the brakes. Then you have to replace the leaking bleed valve.

Start by removing the nuts of the brake system. Use a wrench to loosen it up. 

Now, remove the old bleed valve. Open the brake master cylinder of the bike and clean it. Use a 10 MM wrench to loosen up the bleed valve. Now you have to remove it and replace it with the new bleeder valve. Tighten up the new bleed valve and check for leaks. 

It is also a 2 man’s job. So tell your partner to hold the brakes while you tighten it up.  Add brake fluid to fill up the brake master cylinder of the bike.  You may also face fluids creating bubbles. 

This is also a big problem for bikes because air is still in the system. You must bleed the fluid to drain out all the air in the system. 

Now, set the tires again and you’re good to go! 

Frequently Asked Questions

What is the ideal time duration to change the brake fluid?

It really depends on the condition of your car or motorbikes. When you change the oil of your vehicle, let the mechanics check the brake and the brake fluids. They can tell you the best timing for changing the brake fluids in your vehicle. 

How much does it cost to fix a brake bleed valve? 

A new brake bleed valve costs 80-100 dollars. If you fix it yourself, you don’t need to pay 100 dollars more to a mechanic. If you don’t have any experience in this area, you better take help from mechanics.   

Can I drive with a leaking bleeder valve?

It is not safe to drive when brake fluid is leaking from your vehicle. It is hard to push brakes when you are driving with a leaking fluid. So don’t drive with a leaking bleed valve.  

How do I prevent over-tightening the new brake bleed valve during installation?

Use a brake bleeder wrench to tighten the new valve. Turn it gently and use your judgment to avoid over-tightening, which can damage the threads. A snug fit with the help of Teflon tape or thread sealant is sufficient to prevent leaks without overtightening.

How often should I check my brake bleed valves for leaks?

Regularly inspect your brake bleed valves during routine brake maintenance. If you notice any signs of leakage, address the issue immediately to prevent brake fluid loss and maintain the efficiency of your braking system.


In summary, rectifying a leaking brake bleed valve is a straightforward process with the right steps. By following the five-step solutions outlined, including tightening the valve, using thread sealant, or replacing the valve if necessary, car owners can quickly resolve the issue, ensuring a properly functioning brake system and safe driving experience on the road.

That’s it! This is the process of how to fix a leaking brake bleed valve. If you want to replace the leaking bleed valve, this is the right process to do it. 

We hope we were able to help you with our discussion. Good luck with repairing your vehicle!

Read also: Why Does My Exhaust Sound Raspy?

Rob Dahm

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