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Old Nov 21, 2019 | 11:52 AM
  #16  
xlt4wd90's Avatar
xlt4wd90
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The 2WD rotors come with new bearing cones installed. But one of the things they do with the rotors is plate them, in your choice of silver or black, which keep the non-braking surfaces from rusting. When they do that, they also plate the bearing cones. This may put some irregular surface on them, which may feel like a slight wobble at first. But the plating on the bearing surfaces wear off pretty quickly, so it should smooth out after maybe 50-100 miles. I usually re-adjust the bearings after that, as I do for other rotors that have bearings in them.
 
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Old Nov 23, 2019 | 06:29 AM
  #17  
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I'll throw up a few pics of the installed rotors & pads when complete. Hopefully the paired semi-metallic pads will bite nicely with the new rotors.

Did you do the break in of your rotors with the progressive stopping method, and then the half dozen hard stops from 60 to 30 mph, or thereabouts? Did this one our 2001 Vette with the Duralast GM rotors & pads; I followed the recommended procedure and the rotors ended up with some color indicating the process succeeded. Those brakes are quite capable, compared to the mini rotors & single piston on the AERO.
 
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Old Nov 23, 2019 | 12:33 PM
  #18  
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xlt4wd90
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I didn't really do any break-in, other than to take it easy with the first 500 miles or so. What I noticed was that initially, the brakes seemed to grab harder than later when the pads and rotors wore into each other. But they still stop way better than the smooth rotors.
 
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Old Nov 24, 2019 | 08:17 AM
  #19  
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DET17
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I will follow the supplier recommendations.
 
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Old Nov 24, 2019 | 07:38 PM
  #20  
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87&97Aerostrar
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Could the pads you're using be causing your rotors to wear or warp?
I've always used Wagner Thermoquiet. .
 
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