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Old 04-29-2001, 10:11 AM
stevebfl stevebfl is offline
Join Date: Mar 2000
Location: Gainesville FL
Posts: 6,844
The ridge represents the wear since new. It can cause a squeek against new pads that occurs without braking. The risk of this occuring is the reason we eventually replace the rotors on a good performing system. In other words on my own car I would replace only pads till I had a noise or performance problem (feel, pulse, grab, groan, moan, pull, etc.) and then I would replace the rotors. As a technician I must decide that point before it occurs and we usually replace the discs every second set of front pads.
Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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