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It is not even needed ultimately once the wheel is on.
awesome, i dont think most people understand this and actually think it is necessary and functional rather than convenient. It's also for assembly line purposes.Originally Posted by jvanbrecht
It's just to hold it in place. The actual rotor is held in place by the clamping force of the wheels. The screw is a set screw to hold the rotor in place while the wheel and caliper have been removed. It is not even needed ultimately once the wheel is on.
MBWorld Fanatic!
I'm lost here. With lug bolts why wouldn't you want the rotor buttoned down? I say this from the perspective of someone who probably changes wheels bi-weekly. 

I dont understand lug bolts in general....much prefer the lug nuts system like on jap cars...

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learn something new every day.Originally Posted by roadtalontsi
awesome, i dont think most people understand this and actually think it is necessary and functional rather than convenient. It's also for assembly line purposes.
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The caliper holds the rotor in place when the wheels are removed, not to mention i slight layer of corrosion will help hold it on usually once the caliper is off Originally Posted by bhamg
I'm lost here. With lug bolts why wouldn't you want the rotor buttoned down? I say this from the perspective of someone who probably changes wheels bi-weekly.
ultimately the wheel bolts hold the rotor to the hub and keep it from spinning regardless if that little t30 small rotor holder bolt is present.Member
This was the easiest brake pad change I've ever done, thanks to the comments and above video.
I still have plenty of rotor life so I will hold off on those for now.
I still have plenty of rotor life so I will hold off on those for now.



