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kweese



Member Since: 28 Apr 2015
Location: Van
Posts: 62
Canada 1999 Defender 110 Td5 SW Belize Green
Rear Driving Member Bolts snapped
I recently noticed that my rear wheel was leaking grease. Upon removing the wheel all the bolts on the drive member were broken off. What could have caused this?
Post #641944 4th Aug 2017 9:26pm
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ibexman



Member Since: 13 Dec 2008
Location: Essex
Posts: 2947
United Kingdom 
Loose bolts
Post #641945 4th Aug 2017 9:30pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17478
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Overtightening, failure to tighten them properly, or the wrong bolts. It's not unknown for this to happen.
Post #641947 4th Aug 2017 9:32pm
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Lionel



Member Since: 12 Aug 2008
Location: Melbourne
Posts: 59
Australia 
I like to check these every 20,000km, as they can work loose. I have found them to remain tight if I have spring washers under the bolt heads. Important to torque them up using a tension wrench to avoid overtightening & stretching of the threads.

Cheers,

Lionel
Post #642673 9th Aug 2017 2:01am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17478
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Worth bearing in mind that these are supposed to be grade 10.9 HT, not the more common 8.8 HT. If someone has at some time replaced the original bolts with 8.8s, it might explain your situation.
Post #642726 9th Aug 2017 10:11am
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Lionel



Member Since: 12 Aug 2008
Location: Melbourne
Posts: 59
Australia 
Very good point, blackwolf!

Cheers,

Lionel
Post #642881 10th Aug 2017 1:38am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17478
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
The easy solution:-


Click image to enlarge

Socket head caps, which are grade 10.9 as standard, with spring washers not thread lock, and in holes that are scrupulously clean.
Post #642899 10th Aug 2017 7:29am
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kweese



Member Since: 28 Apr 2015
Location: Van
Posts: 62
Canada 1999 Defender 110 Td5 SW Belize Green
Thanks everyone!
Post #643350 12th Aug 2017 4:27am
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