01-12-2012, 01:25 AM
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Member
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Join Date: Mar 2006
Location: Sierra Foothills, California
Posts: 6,765
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Quote:
Originally Posted by rh71
The statement is:
Front rotor minimum spec is 28.4MM when replacing pads but 26.0MM when not replacing pads. Rear rotor minimum spec is 18.4MM.
My measurements after 4 years: front 28.2MM and rear 19.1MM.
My first question is why would rear minimum specs be different from fronts? I know they definitely seem to wear faster (as do the rear pads). My SA also said that I shouldn't worry about the rotors unless I start feeling they're warped (brake vibration, etc.). Hard to believe - what exactly should I be looking out for, because I won't be doing pads for another 3-4 years at this rate (25k miles in 4 years)? Surprising too, with my 80% local driving. What are the measurements of brand new rotors anyway?
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