Thread: Curious rotor rust problem

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  1. #1 Curious rotor rust problem 
    GrandPrix Junkie SDGTP99's Avatar
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    Ohkay, so the inside diameter of my right rear rotor is rusted. There's about a 1" wide ring of rust starting on the inside of the rotor and expanding outward. I thought this problem had been caused by a crooked caliper piston. So I replaced the caliper. It's been a month & that rust ring is still there. Any thoughts comments or suggestions would be greatly appreciated. 🙆
    OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
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  2. #2 Re: Curious rotor rust problem 
    GrandPrix Junkie The Guz's Avatar
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    Any photos so we know exactly what it is?
    1999 GP GT 18" Boss 353 Concave|SLP CAI|Borla Cat Back|Plog|HV3|HV TB|ER Rockers|Custom Retrofit Projectors|GMPP Lowering|GMPP Handling|MPD F1|Full Diode Dynamic LEDs
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  3. #3 Re: Curious rotor rust problem 
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    I replaced the pads and the ring of rust went away. Obviously the pads were worn at an angle because of the crooked caliper piston. I should have replaced the pads when I replaced the rotor. Problem solved.
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