How to Remove Brake Fluid Reservoir from Master Cylinder

Are you having some car trouble? And are these troubles related to the brake fluid reservoir? Well, if that's the case, then you have come to the right place; we understand your situation.

Further on into the article, you will get detailed step-by-step instructions on how to remove the brake fluid reservoir from the master cylinder. If you follow along, then you should not have any problems reaching your goals in no time.

Why Would You Need to Change the Brake Fluid Reservoir?

Our cars might have numerous problems that need to be fixed, and one of those problem areas might be the brake fluid reservoir. This is something that needs immediate attention and solution so that it is dealt with in time before anything serious happens to the car.

Any damage or crack in this part of the vehicle may lead to leakage of oil or other fluid. You might also have to deal with some contamination within the car if the fluid leaks and goes everywhere. The clean up will be a long and unnecessary process if you keep things in check before they go out of hand.

The Items Needed For Removal

You will see that the list here is pretty small. That is because there is no need for too many tools to complete the extraction process of the brake fluid reservoir from the master cylinder.

Things you need: 

  • A screwdriver with a flat head or a pry bar
  • A vise
How to Remove Brake Fluid Reservoir from Master Cylinder

How to Remove the Brake Fluid Reservoir from the Master Cylinder?

For someone who is accustomed to cars and their parts, this whole ordeal will not be stressful at all. Everything is to the point, and you will be done in absolutely no time.

However, this might not be the case for everyone, especially those of you who have not done anything like this before.

So, to help you out, we have information on what you will have to do to complete the task in hand without messing anything up or hurting yourself in the process.

Step 1: The Hood of the Car Has to be Lifted

Before you can do any of the actual work, you will need to have access to the problem area. In this case, the problem area is in the engine compartment, which is under the front hood of the car.

Make sure you secure the hood in place before you move to the other steps because it might fall and hurt you in the head or neck. There is a stick that will stop it from falling.

Step 2: Find Out Where the Master Cylinder Is Located

The engine of the car is a complex piece of machine, and for someone who is new at this, you might have a tough time figuring out which is inside the hood. So, you have to find out the master cylinder before you can get to the actual removal part of the work.

You will find it to your right or left, depending on which side is the driver's side. The object is either made of plastic or metal and will be located near the firewall. To it, you will see that there are four hoses connected, as well as a brake line attached.

Step 3: Secure with a Vise

Once you find the master cylinder, the work can now begin. And to do so, you will have to secure the body of the master cylinder and tighten it. The vise is needed to be clamped down so that you can perform the task on the cylinder. Without this, your work will be challenging.

Step 4: Slip the Screwdriver Or the Pry Bar in

As you have everything fixed and secured in place, you can now slip either a pry bar or a flathead screwdriver into the area between the metal or plastic cylinder and the brake fluid . Just make sure the tool you are using is good as that you do not end up damaging anything further.

Step 5: Push Off the Reservoir

Now that you have the screwdriver wedged between the reservoir and the cylinder, you must push it in a way so that the reservoir can be wholly separated from the cylinder.

Once that is done, now you must remove the rubber that attaches the two. And with that, you are done!

Final Thoughts

Now this task (How To Remove Brake Fluid) is not difficult if you happen to know what you must do to get the job done. All you need is a little bit of help and guidance, and that is precisely what we are here for!

John D. Archer

John D. Archer is a mechanical engineer and writer based on the area of automotive accessories at, A resident expert and professional, John is passionate about all things automotive and loves to share his knowledge. He has good experience in all kind of automotive accessories. He has worked as a chief mechanical engineer in some reputed automotive garage firm.

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