Sticky E-Brake, Causes? |
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Sticky E-Brake, Causes? |
Allan |
Nov 12 2007, 08:50 AM
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#1
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Teenerless Weenie Group: Members Posts: 8,373 Joined: 5-July 04 From: Western Mesopotamia Member No.: 2,304 Region Association: Southern California |
I just noticed last night that one of my rear calipers doesn't release completely when I let off the hand brake.
Looks like it's time for some Eric Shea rebuilds.... |
Eric_Shea |
Nov 14 2007, 12:12 AM
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#2
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PMB Performance Group: Admin Posts: 19,278 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains |
Most likely what I would call "carmelized" brake fluid on the piston.
Basically see it "all the time". Old brake fluid mixes with moisture in the air (from bad dust cover seals etc.) and collects around the top 1/3rd of the piston. Pads are probably fairly worn to allow the arm to stick. Arm sticking can also be an arm seal but usually, when those go they tend to spring back (rust infusion) vs. stick. Rust can bond the seal to the arm causing the arm to spring back not stick... Probably the piston. |
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