Quote:
Originally posted by tkamiya
They can't be air tight. That means moisture can get in..... Some cap even has a vent-hole....
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If you think about the physics of how the master cylinder creates pressure within the brake lines, there is no way that it can be air tight.
Also, rubber brake lines are not completely impervious to moisture seeping through, and given brake fluid's love of moisture, a great deal of moisture can be transfered through the rubber lines.
We change our oil on a regular basis, lovingly caring for our engines. We fret over tranny fluid changes, hoping to keep that beats shifting into old age. Why make the mountain to die on brake fluid? Even having the dealer do it, it's a cheap job.
I'm not sure about you guys, but brakes are kinda important to me. I keep my brakes in top shape, and the tires under them as well. Those are two areas I don't let slide.