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Old 08-18-2019, 03:37 PM   #1
Axe55
 
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Should I replace my rotors?

Hi Folks, so I've got that squealing noise from my brake pads, so I think it's time to change them out. I'm planning on sticking with OEM Brembo pads for now, but I was wondering if I need to replace the rotors as well? I'm on my second set of rotors, the first set I replaced about 25,000 miles ago, they lasted about 40,000 miles. I had a dealership do that because I wasn't doing my own work at the time. Is there a way to measure the rotors to tell if they need replacing or is it just best practice to do the pads and rotors together?

I attached a picture of the drivers side front and rear rotors so you can see them. Any advice would be appreciated. Thanks.
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Old 08-18-2019, 04:14 PM   #2
hammdo
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Measure the thickness with a dial caliper - cheap at harbor freight - and then compare to the minimum (in mm).

If close, replace otherwise, throw on new set of pads and bed them in!

-Don
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Old 08-18-2019, 05:42 PM   #3
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To reuse them they should be resurfaced. When you bring them in to the auto parts store to have that done they will tell you if they are still thick enough.
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Old 08-20-2019, 08:03 AM   #4
Axe55
 
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Thanks for the advice gents!
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Old 08-20-2019, 08:00 PM   #5
StreetRage320
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If I am reading your post correctly, you already replaced the rotors once? This is the second set of rotors, and you only have 40k? Then yes I would say you are good. Have them re-surfaced, but replacing should not be necessary as long as they are still flat and there is not any vibration.
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