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SportTrac Discussion
Wheels, Tires & Brakes
Metal or Phenolic piston calipers?
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<blockquote data-quote="Richard L" data-source="post: 991188" data-attributes="member: 52972"><p>l1tech,</p><p></p><p>Yes brake fluid is hydroscopic, but I did not use that term because some people do not know what hydroscopic means.</p><p></p><p></p><p></p><p>The more humidity in the air, the more moisture the brake fluid will absorb over time. </p><p></p><p></p><p></p><p>If you do not flush your brake fluid on a regular basis that will lead to corrosion in the calipers and wheel cylinders. </p><p></p><p></p><p></p><p>Oddly enough I never had brake caliper corrosion problems until I moved to Central Texas where is very dry? I find that if I flush my brake fluid every 2-3 years or with every brake job, I never have any more problems with corrosion.</p><p></p><p></p><p></p><p>One mistake that many people make is to buy a can/bottle of brake fluid to top up their reservoir and then leave the remaining fluid sit on the garage shelf and use it again the next time the fluid level drops. That fluid sitting on the shelf has absorbed a lot of moisture and you are pouring that into your brake system.....NEVER USE AN OPEN CAN OF BRAKE FLUID that has sat more than a few weeks. Garages can use an open can because they are constantly using it to top off customers fluid levels so it never really sits that long after opening. Perhaps Don got some old fluid?</p><p></p><p></p><p></p><p>...Rich</p></blockquote><p></p>
[QUOTE="Richard L, post: 991188, member: 52972"] l1tech, Yes brake fluid is hydroscopic, but I did not use that term because some people do not know what hydroscopic means. The more humidity in the air, the more moisture the brake fluid will absorb over time. If you do not flush your brake fluid on a regular basis that will lead to corrosion in the calipers and wheel cylinders. Oddly enough I never had brake caliper corrosion problems until I moved to Central Texas where is very dry? I find that if I flush my brake fluid every 2-3 years or with every brake job, I never have any more problems with corrosion. One mistake that many people make is to buy a can/bottle of brake fluid to top up their reservoir and then leave the remaining fluid sit on the garage shelf and use it again the next time the fluid level drops. That fluid sitting on the shelf has absorbed a lot of moisture and you are pouring that into your brake system.....NEVER USE AN OPEN CAN OF BRAKE FLUID that has sat more than a few weeks. Garages can use an open can because they are constantly using it to top off customers fluid levels so it never really sits that long after opening. Perhaps Don got some old fluid? ...Rich [/QUOTE]
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SportTrac Discussion
Wheels, Tires & Brakes
Metal or Phenolic piston calipers?
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