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Q: Where Is the Master Cylinder Typically Located?

A: If your vehicle has manual brakes, you’ll likely find the master cylinder fixed to the firewall and connected to the brake pedal.

On the other hand, if your ride has power-assisted brakes, the master cylinder might be linked to a brake booster connected to the brake pedal. The whole assembly is fixed to the firewall that’s found in the engine compartment.

accessing the car master cylinder
To find the master cylinder, you’ll have to find the brake lines it’s connected to.

The master cylinder has two types: the transparent reservoir and the metal or nontransparent plastic reservoir. The former lets drivers see the fluid level without opening the reservoir, which is not the case for the latter.

Tips on How to Access the Master Cylinder

Remember to use safety equipment like eyewear and protective gloves when accessing your ride’s master cylinder. It also pays to loosen the lug nuts of the wheel before raising the vehicle for easier removal later.

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To find the master cylinder, you’ll have to find the brake lines it’s connected to. You’ll need tools like a wrench and a socket to loosen the brake lines. Keep some penetrating oil handy as well in case you need more help to ease detach the brake lines. Once you can access the master cylinder, loosen its bolts to detach it.

About The Author
CarParts Research Team
Written By Research Team

Automotive and Tech Writers

The Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. Guided by's thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust.

Any information provided on this Website is for informational purposes only and is not intended to replace consultation with a professional mechanic. The accuracy and timeliness of the information may change from the time of publication.

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