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Old 23-05-2008, 07:49 AM   #1
OzJavelin
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Default AUII disc replacement?

I've just changed the front discs on my AUII ute - set of new RDA standard rotor and new pads. Drives fine, stops fine, but I've noticed on one of the rotors a dark mark running the outer half of the disc all the way around. I spoke with someone yesterday and they said it was probably the anti-rust "oil" used on the disc. I did spend some time cleaning the disc with thinners before installing them, but obviously I couldn't get in the disc fins and whatnot.

Do I need to worry about this dark patch, or will it just eventually wear off? (I can't seem to rub it off with thinners or anything?)

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Old 23-05-2008, 12:20 PM   #2
blueoval
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keep an eye on it. should the braking of the car diminish in quality, i could be a hot spot on the rotor. Dont quote me on this though. Without any pics its hard to give an opinion.

But I recommend just keeping a close eye on it.
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1977 XC Fairmont
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1982 ZJ Fairlane
1983 XE Fairmont
1989 EA Falcon
1984 Datsun Bluebird Wagon
1975 Honda Civic
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Old 23-05-2008, 01:15 PM   #3
OzJavelin
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Quote:
Originally Posted by blueoval
keep an eye on it. should the braking of the car diminish in quality, i could be a hot spot on the rotor. Dont quote me on this though. Without any pics its hard to give an opinion.

But I recommend just keeping a close eye on it.
Yeah .. I'm a bit worried it could be a hot spot, but it showed up after the first drive (about 5km of 80km/h with slow, progressive stops). I haven't done any hard stopping yet ..

.. also it runs around the whole edge of the rotor (about 1" down, all the way around).

I'll see if I can get photos ..

Rod.
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Old 23-05-2008, 05:48 PM   #4
blueoval
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Just a quick question Rod, did you bed the pads in at all, or just drove on them once fitted?
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"the greatest trick the devil pulled, is convincing the world he doesn't exist"

2022 Mazda CX5 GTSP Turbo

2018 Hyundai Santa Fe Highlander


1967 XR FALCON 500


Cars previously owned:
2021 Subaru Outback Sport
2018 Subaru XV-S
2012 Subaru Forester X
2007 Subaru Liberty GT
2001 AU2 75th Anniversary Futura
2001 Subaru GX wagon
1991 EB XR8
1977 XC Fairmont
1990 EA S Pak
1984 XE S Pak
1982 ZJ Fairlane
1983 XE Fairmont
1989 EA Falcon
1984 Datsun Bluebird Wagon
1975 Honda Civic
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