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TooTall



Member Since: 10 Jul 2012
Location: Fens
Posts: 504

United Kingdom 2004 Defender 90 Td5 HT Tonga Green
Swollen nuts?
My Larry has been losing his tyre pressure of late & when investigating down at my local tyre fitters, the culprit was soon found to be "alloy corrosion on the inner alloy bead"; I was also informed that my wheel nuts had "swollen" Shocked & will need replacement soon.
I was not previously aware of this phenomenon & ask the forum, what measures should I take to prevent any re-occurrence?
TT




 "Ease your worries, Clear-up your woes,
Go into your garage & put stuff into rows."
Post #411914 29th Mar 2015 8:15am
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theorangebandit



Member Since: 03 Jun 2013
Location: Stowmarket
Posts: 862

Heat affects metal. Alloy wheels corrode that's simply a fact. Only way to fight the alloy corrosion is to keep them clean really. As for the nuts, you must have an extremely over heating wheel station id investigate to see if all if well. But! Hoe old is the vehicle, more to the point how old are the alloys and wheel nuts ?
Post #411916 29th Mar 2015 8:39am
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TooTall



Member Since: 10 Jul 2012
Location: Fens
Posts: 504

United Kingdom 2004 Defender 90 Td5 HT Tonga Green
2004 boosts "Ease your worries, Clear-up your woes,
Go into your garage & put stuff into rows."
Post #411918 29th Mar 2015 8:45am
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theorangebandit



Member Since: 03 Jun 2013
Location: Stowmarket
Posts: 862

11 years isn't particularly old, but its not a bad run, not sure of the intended life span of alloy wheels. Trouble is these days people don't keep cars much pass 4 years. I'm sure once replaced it wont be an issue for another 11 years, that is I the wheel station isn't cause any issues
Post #411921 29th Mar 2015 8:54am
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Go Beyond



Member Since: 30 Jan 2012
Location: Headcorn, Kent
Posts: 6676

United Kingdom 
Swollen nuts is a common fault, do a search on here for more info Thumbs Up
Post #411923 29th Mar 2015 9:01am
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GUM97



Member Since: 05 Feb 2012
Location: Cheshire
Posts: 3555

United Kingdom 1997 Defender 90 300 Tdi HT Stornoway Grey
Swollen wheel nuts is, as Matt says, very common. Especially on Disco's/Range Rovers. It's because of the different metals used for the actual nut, and the outer cover, and the electrolytic corrosion that happens between the two dissimilar metals. An engine to TDi for!
"Land Rover- Proudly turning drivers into mechanics since 1948"
Post #411929 29th Mar 2015 9:16am
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theorangebandit



Member Since: 03 Jun 2013
Location: Stowmarket
Posts: 862

Look at that I learned something today, excuse me lads while I go investigate my nuts 😉
Post #411933 29th Mar 2015 9:36am
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Cupboard



Member Since: 21 Mar 2014
Location: Suffolk
Posts: 2971

United Kingdom 2011 Defender 110 Puma 2.4 HT Corris Grey
Presumably that's unique to alloys then?
Post #411935 29th Mar 2015 9:57am
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K9F



Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610

United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey
If you think about it, fitting a steel set and you've no dissimilar metals at all. I've just removed a set that hasn't been off for 5 years and there are no signs of corrosion at all. I know people don't necessarily advocate the application of grease on your nuts but I did apply a smidge of copperslip on mine before fitting originally. I also purchased a decent set of 316 nuts from Wrington and they too where as good last week when the wheels were swapped as they were on day 1.

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Not about nuts but another perhaps 'related' thread here:

http://www.defender2.net/forum/topic36096.html If you go through life with your head in the sand....all people will see is an ar5e!!

Treat every day as if it is your last....one day you will be right!!
Post #411939 29th Mar 2015 10:05am
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DOOFER



Member Since: 07 Oct 2012
Location: Suffolk
Posts: 412

In the heavy goods industry the wheel and tyre manufacturers advise us to apply a couple of drops of engine oil to each thread and between the mating faces of split nuts. DON'T PANIC
Post #411943 29th Mar 2015 10:28am
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munch90



Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

England 
the nuts swell due too rust between steel internal nut and the crimped on stainless cover

if you get new ones or s/h good ones ( new is of course better ) , mix up some waxoyl and petrol or white sprirt , in a big pot and leave new nuts in it for couple of days , remove let dry wipe outside and fit , it wont happen again or least help

always done this and never had a problem with swollen nuts
Post #411957 29th Mar 2015 11:01am
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ericvv



Member Since: 02 Jun 2011
Location: Near the Jet d'Eau
Posts: 5816

Switzerland 2009 Defender 110 Puma 2.4 SVX Station Wagon Santorini Black
I will be installing a full set of new genuine alu wheel nuts and a new genuine wheel locking kit on new Dual Tones after Easter.
I did not have any issues with the 6 year old original ones, but they just happened to be stolen from our premises while in storage this winter. Rolling Eyes
Now question, would it be ok to spray a bit of ACF-50 inside the new nuts, and make sure that the thread gets lightly covered by it? Or is that a bad idea, risk that the nuts might come loose while on the truck?
Eric You never actually own a Defender. You merely look after it for the next generation.
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Post #412040 29th Mar 2015 4:20pm
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munch90



Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

England 
Cant really see any reason not to use acf , but as its thin it will throw out the nuts in time
Post #412116 29th Mar 2015 7:02pm
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Fatboy Slim



Member Since: 04 Feb 2008
Location: Bridgend
Posts: 1006

Wales 
I have always put a dollop of copperslip down the middle of the nuts on all of my alooy equipped land rovers. It works its way between the shiny cover and the body of the nut and stops the damn things corroding.
Post #412141 29th Mar 2015 8:01pm
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