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      11-12-2012, 05:23 PM   #9
TC Kline Racing
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Drives: Many BMW's & Porsche's
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Quote:
Originally Posted by sleepless View Post
Call me ignorant, but I've been changing the pads without opening the cap and have not run into any issues. Why is this necessary or a good idea?

I guess its not imperative, just a good idea to open it and check the fluid while you're doing it. Some people think it makes it easier to push pistons back in because it relieves the pressure.