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- - Brake Rotor thickness (http://986forum.com/forums/boxster-general-discussions/37565-brake-rotor-thickness.html)

rene525d

10-02-2012 11:11 AM

Brake Rotor thickness

Hi Guys,

anyone has a guide on how to measure brake rotor thickness? Do you measure the other most disk alone or both the inner and outer together? And... what is the minimum permitted for front and back?

Frodo

10-02-2012 11:42 AM

You measure the total thickness, ie both inner and outer (plus the gap between).

My manual (covers '97 - '04) indicates different wear limits, depending on which model:

Boxster

Front: 22 mm
Rear: 18 mm

Boxster S

Front: 26 mm
Rear: 22 mm

rene525d

10-02-2012 12:13 PM

Thanks. I have 30mm on the front and 26mm on the back. Should be good for quite some time. What are the measurements on new rotors?

rene525d

10-02-2012 12:16 PM

Forgot to add that i have an 04 S

jb92563

10-02-2012 12:16 PM

https://lh4.googleusercontent.com/-z...rake_specs.JPG

Mark_T

10-02-2012 12:58 PM

I believe the general rule of thumb is that you should replace them when the lip on the outer edge gets to about 1mm.

rene525d

10-02-2012 09:20 PM

Ha... strange. My rotors are thicker than new ones, maybe they are aftermarket ones? I do not have any lip on the outer edge.

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