Automotive Dictionary: Brake Drum Glaze

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Automotive Dictionary: Brake Drum Glaze
Throughout this site we use many technical terms, and given the breadth of readership our site enjoys, sometimes we are remiss and incorrectly assume everyone knows what we are referring to. For those that do not, here are some explanations of the technical terms use.
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Brake Drum Glaze


The result of friction between the brake lining and drum which causes a rise in temperature. Brakes which are consistently lightly applied keep temperatures down to a comparatively low level and a resulting chemical reaction places a hard layer on the surface of the linings. This layer has a much lower friction effect than desirable, resulting in relatively inefficient brakes. The glaze can be removed by the use of a coarse file or by heavy and repeated application of the brakes.
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