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Remove the brake Master cylinder

Tiny
NM2AK
  • MEMBER
  • 2006 JEEP CHEROKEE
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 53,000 MILES
How do you remove the brake master cylinder for replacement?
Monday, September 22nd, 2008 AT 4:35 PM

3 Replies

Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

Here is the information you requested. Here are a few tutorials for you to view on how to replace a brake master cylinder and how to bleed the system after the repair has been made:

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

https://www.2carpros.com/articles/how-to-bleed-or-flush-a-car-brake-system

Since you are installing a new brake master cylinder it would be best to bench bleed the unit before installation to remove air from the new unit prior to installation on the vehicle. Here is a YouTube tutorial from our site showing how to do so:

https://youtu.be/WDxvEQrMkBg

I've attached picture steps below on how to replace the brake master cylinder and bleed the system on your vehicle. Hope this helps and thanks for using 2CarPros.
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Friday, May 14th, 2021 AT 10:43 PM
Tiny
TRUCKS22
  • MEMBER
  • 1 POST
  • 1995 JEEP CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 164,000 MILES
On my drive home the other day I had to slam on the brakes, which worked and felt fine. When I came to the next stoplight the brake pedal was very spongy. By the time I got home the pedal was nearly going to the floor but still stopping. Checked the brake fluid and it was empty, so I thought I busted a line some where. So I fluid the fluid and pumped the brakes for about 10 min and found no leaks and fluid still full. I then bleed the brake lines and went for a short drive. Brake pedal got stiff when pumped up but lost pressure as I drove. Any ideas would be great before I spend $$$$ at the brake shop. Thank you
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Thursday, May 20th, 2021 AT 10:10 AM (Merged)
Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Sounds like a leak somewhere. Look around the backing plates for any signs of a wheel cylinder that let go. Sometimes it will stream onto the tire.

To check the master cylinder, plug the holes for the lines with fittings. It should be high and hard. Your pedal that is.
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Thursday, May 20th, 2021 AT 10:10 AM (Merged)

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