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GTS centre lock nut weirdness

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Old 07-07-2016, 02:50 PM
  #16
consolidated
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The CL nuts are anodized, electrolytically coated. The wheels are painted.
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Old 07-17-2017, 07:12 PM
  #17
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Thumbs down GTS Centre Lock Nut Weirdness

Had this happen to all four of my wheels on my 2015 GT3 after the car was detailed. I see all the comments about corrosive wheel cleaners, etc., but in my view this is nonsense. The fact is individuals who owns these cars as well as detail shops aren't complete fools using overly toxic chemicals. People don't use stuff that burns your skin, damages painted surfaces, etc. I'm not suggesting detail shops don't use chemicals but if the wheels withstand the use of cleaning products the same should be true for the center locks. I've been looking at a good number of cars that seem to have the issue and it seems this should be considered a Porsche defect that should be covered under warranty.
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Old 07-17-2017, 07:47 PM
  #18
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Originally Posted by Mr. Hyde View Post
Had this happen to all four of my wheels on my 2015 GT3 after the car was detailed. I see all the comments about corrosive wheel cleaners, etc., but in my view this is nonsense. The fact is individuals who owns these cars as well as detail shops aren't complete fools using overly toxic chemicals. People don't use stuff that burns your skin, damages painted surfaces, etc. I'm not suggesting detail shops don't use chemicals but if the wheels withstand the use of cleaning products the same should be true for the center locks. I've been looking at a good number of cars that seem to have the issue and it seems this should be considered a Porsche defect that should be covered under warranty.
Are you going to a Porsche dealer to see if they will cover under warranty?

Keep us posted.
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Old 07-17-2017, 09:43 PM
  #19
Larry Cable
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Originally Posted by MagicRat View Post
Happened to mine, having cleaned them only with products supplied by Porsche. They were replaced, but then it happened again (although not as badly). Then I heard somewhere to wipe them with olive oil and, um, it seems to work. Do that about every other time I clean the car and no problems.

Another centre-lock question though: what are people's level of expectation about scuff marks on the lock nuts following removal for tyre changes? Just had MPSSes put on, which are great, but has removed the anodisation in a couple of places. Will post pics next time I clean the car so can be seen clearly.
sadly its par for the course, w/o some form of plastic "condom" the surfaces of the CL nut are bound to wear under the load of the torque wrench/spanner

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Old 07-17-2017, 09:46 PM
  #20
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Originally Posted by Mr. Hyde View Post
Had this happen to all four of my wheels on my 2015 GT3 after the car was detailed. I see all the comments about corrosive wheel cleaners, etc., but in my view this is nonsense. The fact is individuals who owns these cars as well as detail shops aren't complete fools using overly toxic chemicals. People don't use stuff that burns your skin, damages painted surfaces, etc. I'm not suggesting detail shops don't use chemicals but if the wheels withstand the use of cleaning products the same should be true for the center locks. I've been looking at a good number of cars that seem to have the issue and it seems this should be considered a Porsche defect that should be covered under warranty.
Unfortunately, many "detailers" use very acidic wheel cleaner that is not at all good for CL's, brake calipers, and many wheels.
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Old 07-17-2017, 09:49 PM
  #21
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Originally Posted by Needsdecaf View Post
Unfortunately, many "detailers" use very acidic wheel cleaner that is not at all good for CL's, brake calipers, and many wheels.
always wise, especially if unknown, or not recommended, by others, to check what products a detailer uses before letting them loose on your car!
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Old 07-17-2017, 10:36 PM
  #22
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Anyone know if AMMO Plum Wheel Cleaner has an acceptable pH?

(Edit: I'm going to e-mail Larry and see what he says.)
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Old 07-17-2017, 10:38 PM
  #23
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I have that on all 4 of my wheels as wellName:  photo641.jpg
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Old 07-17-2017, 10:51 PM
  #24
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I use sonax on my wheels. No issue yet. They specifically say on their site "Our wheel cleaner is safe on ALL wheel finishes: aluminum and alloys; painted, anodized and clear coated". It's a German product.
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Old 07-18-2017, 10:37 AM
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Originally Posted by coolfido View Post
I have that on all 4 of my wheels as wellAttachment 1186847
Yikes!
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Old 07-18-2017, 06:26 PM
  #26
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That looks like the same thing that Muriatic Acid does to anodized metal.
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Old 07-19-2017, 08:44 PM
  #27
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Originally Posted by Larry Cable View Post
always wise, especially if unknown, or not recommended, by others, to check what products a detailer uses before letting them loose on your car!
these high end detailers mainly use pH neutral (friendly) cleaners, like Sonax, that should no adverse effects on the wheels. However, the centre locks can't even be touched?
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Old 07-20-2017, 12:07 AM
  #28
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I've been using Adam's Polishes deep wheel cleaner for a year and a half, my wheels are clean and my CLs look new. I wash and clean wheels monthly.
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Old 07-20-2017, 09:44 AM
  #29
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It would concern me as to whether it's just cosmetic or not. We're applying ~450 lb-ft of torque on them. If they're corroded at all that seems worrisome. I'd replace them - hopefully under warranty because they're $250 each.
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Old 07-20-2017, 11:43 AM
  #30
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Originally Posted by Porsche_nuts View Post
In which case, a black Sharpie is your best friend . . . .
Yep - if you graze them or they corrode (its only a surface affect) - a black, broad tip sharpie is your friend.
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