Just thought I'd update on this thread
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- it looks like its quite a common issue on Roadsters.
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Last April, I noted the inner surfaces were glazing up again on new disks and pads, and the sliding pins had seized up.
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As a temporary workaroud
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( pending some parts arriving
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) I found I could sandpaper the surface of the disk to remove the pad material glazed onto the disk to get back to a metal surface, and file the pad surface to again to remove the glaze.
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That, plus re-lubing the sliding pins with Red caliper rubber grease much improved the breaking power.
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However later, I found the pins had seized again, and cleaned and re-lubed with spray on Lithium grease.
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The
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'2 recently passed its MOT but with an advisory for scoring on the disks
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- so I ordered up some Pagid Pads and Disks from Euro car parts for
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£76 delivered to see if it was a Toyota pad material issue possibly causing this.
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Taking it all apart this afternoon to fit, the Lithium grease had dried out
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- having tried all the different greases you can get locally
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( I can't get specifically sliding pin grease
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)
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, I've ordered up from Bigg Red some high temperature silicon grease for sliding pins
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-
http://r.ebay.com/kDiIfo
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The Pagid disks looked good
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- much better than the pattern parts I've had before, and they were painted up with what looks to be something rust-resistant.
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The Pads are
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'standard' items but I noted that
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the edges of the pads are chamfered at quite a shallow angle so that on the new pads only about 2/3rds of the total pad surface is in contact with the disc.
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I've got to bed in the new pads and disks, but they do work acceptably well from being installed, but oviously are wearing off the surface coating.
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