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Old 04-29-2001, 11:11 AM
stevebfl stevebfl is offline
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Join Date: Mar 2000
Location: Gainesville FL
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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.
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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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