Question about 1995 Chevrolet Blazer

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Breaks are hard to push and I hear air from under the dash, and Master Cylinder fluid is very dark. How do fix these problems?

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  • Chevrolet Master
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Sounds like the vacuum booster is leaking. The booster is usually held in with four nuts that can be removed from inside the car on the drivers side. The two nuts holding the master cylinder to the booster can be removed and the master can usually be moved out of the way without having to disconnect the brake lines. Just move it carefully and only just enough to get the booster out.

As far as the dark fluid, just bleed the brakes until the fluid is clean in the reservoir and clean fluid comes out of the bleeder screws.

Posted on Nov 09, 2010

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  • 116 Answers

Sounds like you need to replace the brake booster, and flush the entire system. the noise you hear is air leaking out of the booster. hope this helps. good luck.

Posted on Nov 09, 2010

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2 Answers

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