Update to a brake DIY? - Mercedes-Benz Forum

 
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post #1 of 3 (permalink) Old 02-09-2007, 10:22 AM Thread Starter
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Update to a brake DIY?

Hey, folks.

Some time ago I replaced my brakes with Axxis Ultimates and later did a pictorial DIY on the process. Most of it is applicable across many years and models -- other than AMG.
It's posted at http://www.benzworld.org/forums/w210...ml#post2017950

For those with a DIY interest, when I replace them this time is there anything you'd like to see added to or changed from the earlier DIY linked above? I won't be changing rotors this time, just pads, so it will be pretty straight-forward.

Take care and enjoy the ride,
Greg

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post #2 of 3 (permalink) Old 02-09-2007, 10:47 AM
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Nice job Greg.
I noticed you advised on replacing the "set screw" with new thread locker. I consider that screw more on cosmetic side and never apply thread locker to it. Even if it comes loose, it is not going anywhere, since it is hold by the wheel with lugs.
Actually I remember older cars that had no such screws and drums or rotors were dangling loose with lug nuts removed. That was on brands with lugs and nuts, but still.
Just my 2 cents.
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post #3 of 3 (permalink) Old 02-09-2007, 11:14 AM Thread Starter
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Part of the issue with the rotor lock-screws is related to the fact that there aren't lug nuts, but rather lug bolts, on MB vehicles, as you note. Without the locking screw, once you pull the lug bolts, the rotor then has the potential to move independently of the hub -- and then the holes no longer line up. That alone is enough for me to reinstall the screw.

Why MB uses thread-lock compound on it I don't know, but I'd guess that the combination of vibration and heating and reheating cycles might cause it to loosen, and with some wheel designs there might be a hollow spot such that the screw could completely back out and then fall off when the wheel is removed.

In any event, each of us is free to maintain our cars as we see fit. But when I post basic DIY things like this I aim to do it by the book; I'm never going to suggest that others cut corners in that fashion.

FWIW if you don't want to mess with thread-lock compound (and having to clean up the screw first, which is the greater of evils), you can actually buy new screws pre-compounded for a buck each or something around that price. That makes it a bit easier, too.

Take care and enjoy the ride,
Greg

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