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Changing Master Cylinder

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Old May 23, 2011 | 03:43 PM
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Default Changing Master Cylinder

Does anyone know where I can get some tech info on how to change a myster cylinder?
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Old May 23, 2011 | 03:45 PM
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this looks like a Pontiac but the process is the same

http://www.youtube.com/watch?v=qgf8X4ZzBfg
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Old May 23, 2011 | 05:23 PM
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Thought you also had the bleed the entire brake system as well, once you removed the brake lines from the MC... Maybe not according to the video....?
My MC is leaking where it bolts to the booster. Less than a 1000 miles on it
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Old May 23, 2011 | 06:12 PM
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Originally Posted by Rebelrob
Thought you also had the bleed the entire brake system as well, once you removed the brake lines from the MC... Maybe not according to the video....?
My MC is leaking where it bolts to the booster. Less than a 1000 miles on it
Check to make sure its not running off the top lid area and running down around the booster area.
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Old May 23, 2011 | 07:29 PM
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If you have a set of hand tools you can change the master cylinder. The main thing you will need to adhere to is bench bleeding it. Go to Oreilly Auto Parts and buy a bench bleeding kit. It comes with plastic connectors and lines to make the task much simpler. You will have to bleed the entire system as well since you will be removing the F/R brake lines to remove the master cylinder. Please do not ignore the bench bleeding advice. It will save you significant time and frustration in the long run.
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Old May 23, 2011 | 10:43 PM
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Tim, yep, I checked the lid. The lid did leak, but it seemed to stop. I use my trusty mirror and a led flashlight and I can see dampness right where it bolts to the booster. Then it drips off of the booster on to the frame then the garage floor. Yep, I benched bled the device last time and brake lines with I did new brakes.
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