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SportTrac Discussion
Wheels, Tires & Brakes
front brakes
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<blockquote data-quote="Richard L" data-source="post: 976593" data-attributes="member: 52972"><p>RedRanger is correct. Brake fluid absorbs moisture from the air, but you don't even have to remove the cap since there is an air vent in the cap. </p><p></p><p></p><p></p><p>The moisture absorbed by the brake fluid will gradually collect at the lowest part of the brake system which happens to be the calipers (on disc brakes) and brake cylinders (on drum brakes). This moisture will start to corrode the cylinder bores of the calipers (or wheel cylinders) and can seize the pistons or prevent them from retracting.</p><p></p><p></p><p></p><p>I suspect that your 2001 Sport Trac with 36K miles is probably on the original brakes and never had the brake fluid flushed. Your occasional driving was just enough to get the moisture in the brake fluid past the master cylinder and down to the calipers.</p><p></p><p></p><p></p><p>I always recommend that you flush your old brake fluid every 2-3 years or with every brake job....whichever comes first. Now you know why.</p><p></p><p></p><p></p><p>....Rich</p></blockquote><p></p>
[QUOTE="Richard L, post: 976593, member: 52972"] RedRanger is correct. Brake fluid absorbs moisture from the air, but you don't even have to remove the cap since there is an air vent in the cap. The moisture absorbed by the brake fluid will gradually collect at the lowest part of the brake system which happens to be the calipers (on disc brakes) and brake cylinders (on drum brakes). This moisture will start to corrode the cylinder bores of the calipers (or wheel cylinders) and can seize the pistons or prevent them from retracting. I suspect that your 2001 Sport Trac with 36K miles is probably on the original brakes and never had the brake fluid flushed. Your occasional driving was just enough to get the moisture in the brake fluid past the master cylinder and down to the calipers. I always recommend that you flush your old brake fluid every 2-3 years or with every brake job....whichever comes first. Now you know why. ....Rich [/QUOTE]
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SportTrac Discussion
Wheels, Tires & Brakes
front brakes
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