brake guage - MBWorld.org Forums

Dec 6, 2009 | 01:28 PM

trobador

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Joined: Aug 2007

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E-320 CDI

brake guage

How to guage the brake pads remaining using a micrometer?What is the safety limit? Would like some pictures if at all possible.
Thanks a lot

Dec 6, 2009 | 06:33 PM

vettdvr

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Joined: Mar 2006

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From: Louisiana

03 E500 and Corvette

Quote:

Originally Posted by trobador

How to guage the brake pads remaining using a micrometer?What is the safety limit? Would like some pictures if at all possible.
Thanks a lot

Actually I use the depth gauge on a vener caliper to meaure the final thickness. If it is anywhere close to the min I change the pads. I seldom run to the absolute minimum thickness. Normally there is 25% of the pad remaining when I change them. Many pads will have a groove cut in the center. When the groove is worn smooth 50 % of the pad is gone.

You can use a ruler and be crude enough to determine pad thickness.

Now for the rotor I use the caliper also using care to make sure I am not on the lip of a worn rotor to get accurate measurement. Remember if you use a caliper or verner you will not get runout unless you use dial indicators.

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