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Why bleed brakes? Posted by Bill Homer [Email] (#3427) [Profile/Gallery] (more from Bill Homer) on Fri, 13 May 2011 10:06:02 In Reply to: Re: Rubber lines. Wait till they break, if ever, RayF, Fri, 13 May 2011 08:04:44 Members do not see ads below this line. - Help Keep This Site Online - Signup |
A quick internet search confirms my thoughts on this; pay particular attention to the "absorbs moisture from the air" part:
"Why would the fluid need to be replaced? It becomes contaminated with atmospheric dirt and abrasive metal wear particles from moving parts in the master cylinder and calipers. It absorbs moisture from the air, which can lower the boiling point of the fluid enough to make it boil at the end of a long downhill grade. (And steam, like air, is compressible.) High temperatures from those high-energy-dissipation stops can degrade the alcohol-based fluid itself. Eventually, your water-clear brake fluid starts to look more like squid ink."
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