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Cliff Biggs
New User
Username: cliffy

Post Number: 30
Registered: 09-2021
Posted on Thursday, 02 June, 2022 - 03:03:   Edit PostDelete PostView Post/Check IP
Anyone ever hear of or see the "abrasive brake pads" called out in the workshop manual for smoothing out the brake disc before replacing the actual brake pads?
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gordon le feuvre
Frequent User
Username: triumph

Post Number: 372
Registered: 07-2012
Posted on Sunday, 04 September, 2022 - 05:23:   Edit PostDelete PostView Post/Check IP
Yes, i think 1974 when M170 pads came out if cars were not used frequently the pads would "mark" their outline on disc. When car then used, applying brakes would cause "brake rumble"
Fix was to fit pads suppled by factory with grade 80 sandpaper glued to pad surface. Car was then driven with these cleaner pads in, then originals refitted

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