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991.2 Carrera Base surface rust on Caliper bolts

 
Old 01-05-2019, 02:43 PM
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Ryan52589
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Default 991.2 Carrera Base surface rust on Caliper bolts

has anyone ever replaced these or powder coated or anything? I need to do something as it drives me nuts... I suppose a dab of high heat paint would do the trick but curious if anyone has ever removed them or replaced? not sure if that’s a bolt you can take out or if it holds some sort of pressured area together??

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Old 01-05-2019, 02:51 PM
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I cannot seem to add the photo I have taken. It is the visible bolts on the face of the calipers that have the external torx bolts
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Old 01-05-2019, 02:57 PM
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Originally Posted by Ryan52589 View Post
I cannot seem to add the photo I have taken. It is the visible bolts on the face of the calipers that have the external torx bolts
Have you tried to click on the image icon to add a photo?
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Old 01-05-2019, 03:17 PM
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keithgreer
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Mine were rusty as well and I couldn't stand it, so I just got a tiny paint brush with some paint and touched them up. I am not sure it was even high heat paint but it has stayed on well for a few years.
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Old 01-05-2019, 03:18 PM
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CCDD
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If you’re using Sonax Full Effect wheel cleaner that’s likely the culprit.
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Old 01-05-2019, 03:40 PM
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PCA1983
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No road salt?
Many wheel cleaners are corrosive, and needed to be rinsed, rinse again, repeat etc. Ive used 409 for 25 years because it's cheap by the gallon and very effective. Never had any corrosion, but as you now know, I'm fanatical about rinsing, again and again and... I do tires and wheels with 409 and rinse them first, with separate sponge and bucket, and then rinse the wheels several times again while washing the car.
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Old 01-05-2019, 04:09 PM
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SeymourButts
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Isn’t it recommended to replace the bolts when changing pads?
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Old 01-05-2019, 04:12 PM
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it worked! Thank you for the help to attach photo, I was trying to add it with the “manage attachments” button and that did not work

i have not used sonax for the wheel cleaner but road salt is definitely possible cause as I live in the Midwest and it does see winter use

i might try just the paint brush... they look awful!!

​​​​​​​thank you everyone
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Old 01-05-2019, 05:27 PM
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Originally Posted by SeymourButts View Post
Isn’t it recommended to replace the bolts when changing pads?
Porsche recommends replacing the caliper bolts when the calipers are removed.

pp
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Old 01-05-2019, 06:26 PM
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I need to look at my bolts now.
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Old 01-05-2019, 06:45 PM
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Porsche recommends replacement of what bolts? #10 in this photo?

the rusted bolts on mine are the visible bolts which are #18



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Old 01-05-2019, 08:05 PM
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Originally Posted by Ryan52589 View Post
Porsche recommends replacement of what bolts? #10 in this photo?

the rusted bolts on mine are the visible bolts which are #18




Yes, # 10 bolts Porsche recommends replacing every time you dismount your calipers. As for the bolts listed as #18, you can purchase a new set, and used high heat paint to match the caliper color. Before you apply the paint, ensure you prep them properly , (i.e., use a degreaser and a wire brush on the head on the bolts). Painting the entire bolt is not necessary, just focus on the head. Once the new bolts are mounted you may have to touch up the heads.

Guides on pad bolts should not be painted.
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Old 01-08-2019, 07:16 PM
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I just clean mine up with a wire brush
seems to work fine
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Old 01-09-2019, 12:41 AM
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arter
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The #18 bolts do not need to be removed for pad change.
Getting them painted or clear coated ( if cleaned) would work.
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Old 01-13-2019, 02:19 AM
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Before and After. Thanks for the advice guys. Cleaned them with a brush and alcohol. Small paint brush and heat paint. Total time: 2 beers.

dont mind the dirty wheels. It’s winter here in the Midwest


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