How do I remove the brake Master

Hi,

Replacing the brake master cylinder isn't too hard of a job. And yes, you need to remove the two nuts that mount it to the brake booster.

First, here is a link that shows how in general one is replaced. You can use this as a guide.

https://www.2carpros.com/articles/how-to-replace-a-brake-master-cylinder

The new brake master cylinder will need bench bled before install. Here is a video that shows how that is done.

https://youtu.be/WDxvEQrMkBg

Here are directions specific to your vehicle. The attached pics below correlate with the directions.

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2004 Mitsubishi Galant L4-2.4L (4G69)
Removal and Installation
Vehicle Brakes and Traction Control Hydraulic System Brake Master Cylinder Service and Repair Procedures Removal and Installation
REMOVAL AND INSTALLATION
Part 1

pic 1

Part 2

pic 2

MASTER CYLINDER ASSEMBLY AND BRAKE BOOSTER
REMOVAL AND INSTALLATION

INSTALLATION SERVICE POINTS

pic 3

>>AB