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Old 06-14-2008, 02:17 PM   #1
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S Brake Pad replacement

I was surprised I couldn't find the procedure for doing this? Am I missing something?



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Old 06-14-2008, 07:16 PM   #2
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Originally Posted by gwinder
I was surprised I couldn't find the procedure for doing this? Am I missing something?


Do some Google..

Here it is:

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Old 06-15-2008, 04:24 AM   #3
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Hey LowFlyR, thanks for the link. My Bentley's manual didn't have the rotor thickness spec for the Boxster S while your link provided them.

Now I have a few questions.

For the Boxster S new rotor thickness is 28mm Front and 24mm Rear. The wear limit is 26mm Front and 22mm Rear. So you've got 2mm from new to wear limit?

Then there is a machining limit which is about 0.6mm thinner than the wear limit for the Non-S Boxster do know what it is for the S rotor?

What exactly is the "wear limit" ? It's not the point at which you need your rotor's cut is it? Every 2mm ?

Is the machining limit the point where you have to buy new rotors?

My Bentley's shows the machining limit for the Non-S Boxster rotors at 22mm Front and 18mm Rear. They don't provide this data for the S model.

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Old 06-16-2008, 01:37 PM   #4
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Its been my recent experience that not many shops will "cut" a cross drilled rotor. I would treat them as disposable once they reach their wear limits. Nothing like gambling with brakes, especially at a track event!
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Old 06-19-2008, 05:27 AM   #5
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correct me if i am wrong

this is my experience

mechanics cant / refuse to machine cross drilled or drilled discs. it is literally impossible and will render their machine unusable. it can be done on normal discs though. if you want to machine it due to a lip then your best course would be to take a bit off the brake pads. but if it doesn't annoy you or isn't making any noise, best leave it alone if it remains above minimum thickness

and yes the wear thickness is quite minimal. depending on how you drive / brake pad material, this thickness may go in several pad uses over a long time or quite a short time over a series of track days

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