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Rusty Caliper Bolts

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Old Oct 30, 2019 | 12:59 AM
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Default Rusty Caliper Bolts


The caliper bolts on all four corners of my 991.2 are rusting. I'm a bit concerned about the integrity of bolts as I cannot see if the corrosion is all the way through the caliper and into the mount. It's also ugly as the rust is running down the painted caliper. I would expect the bolts to be plated to resist corrosion. Has anyone seen this or had a warranty replacement?
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Old Oct 30, 2019 | 03:29 AM
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Mine look the same. Not happy about it. Does anybody know of a permanent fix? New ones will look the same after time, I guess!?
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Old Oct 30, 2019 | 06:48 AM
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Technically, those are not your caliper bolts.

Small wire brush. Rust primer. Paint.

Or send out for a pro job....different color. Look at Wheel Enhancements.

Use a different, better, wheel cleaner.

Buy the S with the big reds, no rust.

Last edited by LexVan; Oct 30, 2019 at 08:52 AM.
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Old Oct 30, 2019 | 10:47 AM
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Originally Posted by LexVan
Technically, those are not your caliper bolts.

Small wire brush. Rust primer. Paint.

Or send out for a pro job....different color. Look at Wheel Enhancements.

Use a different, better, wheel cleaner.

Buy the S with the big reds, no rust.
Or the bigger Yellows, which have painted bolts so rust either.

If they were mine I would take them out, clean them and paint them to eliminate the problem.
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Old Oct 30, 2019 | 11:18 AM
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Stop using abrasive wheel cleaners...
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Old Oct 30, 2019 | 11:23 AM
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Originally Posted by Guards_Red_991
Stop using abrasive wheel cleaners...

Word! All you need is warm soapy H2O. And a properly coated wheel and caliper to start with. I like Optimum Gloss Coat, ftw.

I just did these last week, as part of my yearly winter hibernation period prep:


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Old Oct 30, 2019 | 11:49 AM
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I had the same thing and used Wheel Dynamic. Could no longer stand how ugly the brakes looked. Not super cheap but it makes me smile so can't be all bad.
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Old Oct 30, 2019 | 11:53 AM
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Very nice. I have some Black PORSCHE decals for these if you want to change, which I bought when I had Reds on my car.
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Old Oct 30, 2019 | 12:04 PM
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Originally Posted by Guards_Red_991
Stop using abrasive wheel cleaners...
SONAX is great for cleaning rims however, it eats away at all exposed metal screws and bolts, STAY CLEAR of it.
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Old Oct 30, 2019 | 02:27 PM
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Thank you for all the advise. Bought my Carrera used and it came that way.
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