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Re: One more brake question Posted by Ari [Email]  (#2847) [Profile/Gallery]
(more from Ari) on Mon, 20 Dec 2004 08:05:48
In Reply to: One more brake question, water dog, Mon, 20 Dec 2004 07:23:23 Members do not see ads below this line. - Help Keep This Site Online - Signup |
The pads are always withing a thousandths of an inch or so of the rotor. As the pads wear, the piston extends more and more. So with worn pads, the piston is pretty far out there. So that area behind the piston is filled with fluid.
When you press the pistons back into the caliper to accept the new (fat) pads, that fluid has to go somewhere - and that somewhere is the reservoir.
So as the pads wear, the fluid level in the reservoir drops. If that reservoir gets topped off, you'll get overflow when you put the new pads in. I always keep a turkey baster and a glass jar on hand when I do brakes. I push the piston back in and watch the level; I'll drain some off if necessary. It all depends on if the brake fluid system has been serviced (fluid added) since the last pad change.
Be aware that brake fluid is great for removing paint- don't get it on any painted surface. If you get any on your hands, wash them throughly before touching the car - I've seen some pretty interesting fingerprints in the hood and fender paint.
posted by 192.249....
, Mon, 20 Dec 2004 08:05:48 <-- Viewing This Message
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