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How To Replace a Brake Booster

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Uploaded by on May 11, 2010

We'll show you how to replace a brake booster using a 1997 GMC Sierra.

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Autos & Vehicles

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Standard YouTube License

  • likes, 4 dislikes

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Uploader Comments (canobd2)

  • Is there a more effective way of removing the clip? It seems that my clip wont budge.

  • Not that I know of, they can be a real pain sometimes. Good luck!!

  • Don't know weather its my booster or master cylinder

    My brake pedal is tough to press and spongy, I have to press it all the way to come to a complete stop.. Also I hear a noise as I press on my brake .. Sound like air, had my brakes bleat when I had rotors pads done couple weeks ago..

    Any ideas would be appreciated..

  • It sounds like you might have a bad brake booster due to the pedal being tough to press and the fact that you hear air while pressing the brake pedal. The fact that your pedal is spongy and it sounds like your pedal goes all the way to the floor tells me that your brakes needs to be bleed again. Good luck!

  • do drain the fluid before changing booster and bleed after replacing. or can i just replace the booster and thats it? thanks

  • If you have enough room to get the booster out without disconnecting the master cylinder then bleeding is not required. I you disconnect/remove the master cylinder then you will need to bleed the brake system.

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All Comments (128)

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  • I'm watching this to save myself $1334. The booster itself was no more than $200. So go figure what labor costs.

  • ROCK ON, thank u for the video.

  • Great Video, No I know I can replace my 96 Brake Booster

    Thank You

  • With the help of this video I successfully replaced the brake booster on my 1999 GMC k2500. His instructions on removing the nuts under the dash that hold the booster to the firewall are spot on. I'm sure I would have finished the job with 10 busted knuckles and it would have taken twice as long without his help. Great video if you have this (or similar) truck and need to replace this part.

  • Thank you!

  • @Kingsevends Brake booster for sure, I had the same problem. Good luck!

  • Wish I'd seen this before I stopped into the brake shop. They're replacing my booster as I type this comment... $350 parts & labor.

    But then, I didn't know that's what was causing my brakes to engage on their own and me having to constantly bleed them every few weeks...

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