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minimum rotor thickness 120-130

posted by  Danny on  Sun Jun 28 17:38 CST 2015
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last visit: Mon Oct 6 22:01 CST 2014
[RELATED]

I just spent a bit of time trying to find a thread I'd read sometime in the past discussing rotor thickness. Eric mentioned that he has turned them below spec. due to their somewhat over-engineered original thickness. I just couldn't find the thread.

One of the sedans I'm driving has an annoying pulsation on stopping that I'm pretty sure is due to a warped front rotor. I haven't yet measured them, but wanted to either find that thread or get opinions about how much beyond the spec thickness I can turn down to.

I have rarely turned either drums or rotors, and try to avoid it, but if I get the wheel off and get excessive runout I am willing to turn them if, it's possible.

The shop manual lists .500" to.504" as new and .480" as reconditioned, but no minimum, so the question is what's the minimum we're comfortable with? Also would one turn them both to match or just the offending one?

thanks





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