991.2 Center Lock Nut Issues
#1
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Anyone having issues with the center lock nut parts separating when removing the wheel? Is it just a build up of the Hi-Temp lube pushing the pieces apart? It's a pain getting the wire retainer ring snapped back into the groove that keeps the parts together, and the mess of cleaning off all of the old lube. Any tips would be helpful.
#3
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I had the same issue at first. Hated my CLs because of it. Discovered I was using waaaaaay too much paste on my parts. Once I began using a more reasonable amount of product the problem went away.
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maspirito (12-13-2020)
#6
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Yep pretty normal that they come part, particularly as they get older and tracked a lot. Just use enough to coat the inside a little when you change the wheels. Too much just adds to the problem.
#7
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I recommend cleaning the parts thoroughly and re-lube per Porsche instructions. It should help to clean the groove as well as the retaining C clip and reseat the clip completely in the groove.
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#9
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Last edited by GrantG; 12-13-2020 at 08:39 PM.
#10
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Appreciate the dialogue on CL nut and their Maintanace. Everything shared is also my experience with them coming apart etc. What are folks using to clean the CL, anything in addition to WD-40? and thoughts on treating CL as a maintenance item and replacing after x years or y miles? I replaced at 38k with a third being track miles, at 5 years. The new CL nuts came with current dates on them indicating recent manufacturing.
#11
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Appreciate the dialogue on CL nut and their Maintanace. Everything shared is also my experience with them coming apart etc. What are folks using to clean the CL, anything in addition to WD-40? and thoughts on treating CL as a maintenance item and replacing after x years or y miles? I replaced at 38k with a third being track miles, at 5 years. The new CL nuts came with current dates on them indicating recent manufacturing.
edit- I don't have the manual handy but if you have 12k + track miles I think you are also due for bearings/hubs replacement.
Last edited by zedcat; 12-14-2020 at 11:33 AM.
#12
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Anyone having issues with the center lock nut parts separating when removing the wheel? Is it just a build up of the Hi-Temp lube pushing the pieces apart? It's a pain getting the wire retainer ring snapped back into the groove that keeps the parts together, and the mess of cleaning off all of the old lube. Any tips would be helpful.
e.g I just tightened a new, arrived from manufacturer, center lock nut on one of my wheels, and put much more than ample grease; 30 minutes later, with no miles driven, I decided to loosen the nut, and it split in two pieces (see below)
![](https://cimg2.ibsrv.net/gimg/rennlist.com-vbulletin/1120x2000/center_lock_nut_split_6f9f697a6980dc7a13f986081e848f441487dbd2.jpg)
split center lock nut
#13
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Yeh most people apply way too much lube. You only need a tiny, tiny amount and likely don't need it every time you change your wheels, especially if you change often. Just smooth it out and make sure it's clean.