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I removed the caliper and torx screw but the rotor won't budge. Do I need to remove the 36mm, 12 point nut?
 

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Administrator 2009 SLK 55 AMG/Founding Member 2006
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Welcome from Valrico, Florida!
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I removed the caliper and torx screw but the rotor won't budge. Do I need to remove the 36mm, 12 point nut?
Hold the new rotor up to verify you don't need to remove the big nut--I'm pretty certain you don't.

Your problem is the current rotor is a bit rusted to the hub. Hit it with a big hammer.
 

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Discussion Starter #4
Thanks for the feedback. I got out the BFH:soap: tool but it didn't budge. I suspect I might have to back off the parking brake and possibly use a large wheel puller. I think it might be te combination of rust and parking brake.
 

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Administrator 2009 SLK 55 AMG/Founding Member 2006
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good luck! oh,

Please update your location/vehicle (model and yr) in your profile as it helps the members answer any questions you might have based on locale and model.
usercp, edit your details, location/vehicle.

You might want to post an introduction in the ‘new members introduce yourself here’ section, if you haven’t already.
 

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Premium Member 2017 SLC 300 Founding member #7
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It's been a while since I did such mechanical work (like 40 years or so), but I wouldn't think the rotors would be held on by the caliper. Might want to search the web for how disc brake rotors are removed since I would think the MB would be the same as others. I have a VAGUE recollection of having to remove a nut, but I can't say for sure. I also wouldn't think the hand brake would be affecting the rotor removal either.

Hopefully someone else will have the answer. Maybe post a message to DansSLK section. Sounds like something Dan would easily know.
 

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It's been a while since I did such mechanical work (like 40 years or so), but I wouldn't think the rotors would be held on by the caliper. Might want to search the web for how disc brake rotors are removed since I would think the MB would be the same as others. I have a VAGUE recollection of having to remove a nut, but I can't say for sure. I also wouldn't think the hand brake would be affecting the rotor removal either.

Hopefully someone else will have the answer. Maybe post a message to DansSLK section. Sounds like something Dan would easily know.
Caliper ALWAYS comes off before the rotor.
 
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