Quote:
Originally Posted by Xist
Does fluid go down as pads wear out, not because there is a leak, but because the calipers adjust, and store more fluid? When I compressed the caliper piston the cap loosened and fluid leaked out.
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The reason you don't want this to happen is that brake fluid dissolves paint. Or more accurately, seems to break down the bond between paint and metal, so the paint bubbles and peels.
You really don't need a caliper to measure brake pads - for one thing, it's pretty hard to do, since the backing plate is in the way. After you've seen new vs old pads a couple of times, just eyeballing is good enough (for me, anyway).