Thread: STrange Noise
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      05-09-2014, 06:18 AM   #7
///Mangler
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Quote:
Originally Posted by M3AG View Post
The sound is from the brake booster pump pressurizing the brake fluid in the lines. The duration of the noise also changes with front brake pad wear/thickness. It's some sort of ABS test.
so what is it doing when it never stops? some days it just runs and runs and other days i never hear it?

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