Brake Master cylinder

Tiny
PAVITT21
  • MEMBER
  • 2003 VAUXHALL VECTRA
How do you change the brake master cylinder?
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Monday, March 30th, 2009 AT 12:04 PM

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Tiny
BORIS K
  • MECHANIC
  • 751 POSTS
Hello,

To replace the brake master cylinder on your vehicle please follow the general guide below.

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

It is advisable to pre-bleed the new brake master cylinder before you install it on the vehicle. This will greatly reduce the bleeding effort.

Please see a good instruction how to below.

https://youtu.be/WDxvEQrMkBg

Depending on which engine you have fitted it might be necessary to remove the air filter housing first.

1. First drain the brake fluid reservoir using a syringe or other suitable tool.
Dispose of the old brake fluid in an environmental friendly manner.
2.Detach the wiring harness from the brake fluid reservoir.
3.Remove brake fluid reservoir.
4. Detach the brake lines from the master cylinder.
5. Unscrew the 2 nuts holding the brake master cylinder to the brake booster.
6. Attach the new brake master cylinder to the brake booster.
Use a new sealing ring .

Secure both nuts and tighten them to 50Nm.

Assemble the new brake master cylinder in reverse order.

After installation fill the reservoir with new brake fluid and bleed the braking system. A good instruction how to is below.

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

Please let us know how you get along.

Cheers, Boris

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Monday, April 5th, 2021 AT 2:40 AM

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