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Old 08-12-2021, 10:01 PM   #1
AliBenn
Scooby Guru
 
Member#: 487
Join Date: Nov 1999
Chapter/Region: TXIC
Location: Houston TX
Vehicle:
1998 /2005 STunIcorn
Acadia Green USDM 22b

Default DBA 5000 rotor rings wearing un-even??

NEVER seen this before on any car I have owned or worked on

Car does not pull when brake pedal applied
No play in bearings
No play in inner/outer ties
No Un-even tire wear
Inspected both calipers visually no sticky C pistol
No pulling to one side when driving
Changed pads from dusting like crazy Hawks to less aggressive Project MU pads
(That is when I noticed a 1mm lip on RF and maybe .04mm on LF rotor)
Old pads, still meaty, wear was even. (Could of sold used them NP) both Pairs from RF and LF

Lets just say
Everything is perfect. No issues.
Except this un-even wear (lip) on the RF $700 ring. UGH

I am stumped
Any insight appreciated

1998 RSTi swap with 2005 STI(everything but shell pretty much)
Thanks
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Last edited by AliBenn; 08-12-2021 at 10:06 PM.
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Old 08-13-2021, 11:57 AM   #2
Jedi03
Scooby Specialist
 
Member#: 491095
Join Date: Sep 2018
Chapter/Region: SWIC
Location: New Mexico
Vehicle:
2009 STi Blue
Blue

Default

I see it once in a while and dont really think to much about it...maybe difference in material composition in pads? when i was turning rotors, when working at a diesel shop, we would just turn them however much they needed to be true again and some would be same thickness, some different...just seems to happen...dont recall anything being mentioned about it from my brake cert classes...ASE/DOT but if it creates driveability issue then I would definitely address it
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Old 08-13-2021, 06:23 PM   #3
AliBenn
Scooby Guru
 
Member#: 487
Join Date: Nov 1999
Chapter/Region: TXIC
Location: Houston TX
Vehicle:
1998 /2005 STunIcorn
Acadia Green USDM 22b

Default

Yeah ^^^^ agree

Just never seen before without any drivability issues
Or obvious pad wear/stuck caliper/worn suspension or steering parts

Could be different or defect in the actual Rotor Ring metal?
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