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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16892   
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The brake disk is bolted to the back of the hub, so when the hub is off it is easy to remove.
The usual reason for these bolts to shear is because the blind hole they screw into becomes plugged with gasket compound and threadlock and they shear when tightened. It is often possible to drill them out, and if you use a left helix drill they'll often unscrew. Three sheared in one flange is unusual! Are the bolts you have the correct grade (10.9) or has someone used standard grade 8.8? Another option is to drill out and helicoil the hole, essential if the thread is damaged. If you fit a new hub bear in mind you may need to reshim the wheelbearings or convert to the earlier adjustable set-up. |
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13th Jul 2014 1:37pm |
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| excossack Member Since: 22 Feb 2012 Location: North West Posts: 5745 
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The old bolts are 10.9.
What year did the bearings go from adjustable to shimmed? and how do I know? As mine is a 1999 I am hoping I am on the tdi type setup ? 1999 Defender TD5 110 Regards John M0VAZ Econet Station 48 no clock |
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13th Jul 2014 2:04pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5424 
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Think yours are shimmed as they are fitted with the stake nut, not the twin nut setup.
Andy |
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13th Jul 2014 2:06pm |
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| excossack Member Since: 22 Feb 2012 Location: North West Posts: 5745
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So...If I am shimmed, how do you setup the bearing??
Is it easier to replace with adjustable bearings? 1999 Defender TD5 110 Regards John M0VAZ Econet Station 48 no clock |
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13th Jul 2014 2:07pm |
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| jimbob7 Member Since: 06 Jul 2013 Location: uk Posts: 2055 |
Once you take the hub off could an engineering type company get them out for you??The shims can be a pita IF you have to replace them.As said you have shims as you've got the later stake nut,you need a 52 mm impact socket (about £15 of eblag),torqued to....er,can't remember,lol. Pov.spec,ftw. 2006, 110,TD5.
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13th Jul 2014 8:52pm |
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| excossack Member Since: 22 Feb 2012 Location: North West Posts: 5745
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I've done bearings before but neve tber shimmed type. Can I not reuse the same shims or are they single use? I, e the shims crush. Do you get all the shims needed in the kit? 1999 Defender TD5 110
Regards John M0VAZ Econet Station 48 no clock |
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13th Jul 2014 8:57pm |
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| jimbob7 Member Since: 06 Jul 2013 Location: uk Posts: 2055 |
i re-used my shims (cleaned and re-greased bearings tho,didn't replace),easiest thing in the world,re-fit torque once, job done
 .You could get lucky wi new bearings and not need shims,nowt to lose by tryin,other than time.No you dont get all the shims,you get them singul in ones ,lol.I don't think they are cheap either. Pov.spec,ftw. 2006, 110,TD5.Last edited by jimbob7 on 13th Jul 2014 9:20pm. Edited 1 time in total |
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13th Jul 2014 9:17pm |
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| excossack Member Since: 22 Feb 2012 Location: North West Posts: 5745
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Cheers Jim. I take you still check for play by wiggling the wheel top and bottom etc ? 1999 Defender TD5 110
Regards John M0VAZ Econet Station 48 no clock |
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13th Jul 2014 9:20pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5424
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The shims are reusable but are only one size. Often if you are just changing the bearings the same spacers work ok. But it's difficult to tell, unless trying a dry assembly to test, before a final greased assembly. The best and easiest way I found was to just by two nuts, and a lock washer, and just go back to the old setup.
Andy |
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13th Jul 2014 9:22pm |
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| jimbob7 Member Since: 06 Jul 2013 Location: uk Posts: 2055 |
Correct,summut like 200 ftlb but check first.Dont follow instructions for Discos tho, coz they slightly different,they need doin up to summut silly like 350ft lb
 . Pov.spec,ftw. 2006, 110,TD5. |
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13th Jul 2014 9:23pm |
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| excossack Member Since: 22 Feb 2012 Location: North West Posts: 5745
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So using two lock nuts and a washer this does away with the shims?
According to the Haynes manual upto 99' have lock washers after 99' its shims and you need a DTI guage. Mine is a Jan 99 model. 1999 Defender TD5 110 Regards John M0VAZ Econet Station 48 no clock |
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13th Jul 2014 9:47pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5424
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Yes, you just leave the spacer out and set the bearing play with the first nut, then lock this in place with second nut and lock washer. Old school.
Yours will be spacer as is single stake nut, not twin nut, with lock washer. By swapping it also means regreasing is easier, and new nut is not required each time. Also I found that the stub axle was getting damaged with repeated removal of the stake nut, so prefer twin nut. Andy |
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13th Jul 2014 10:03pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16892
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Twin nut (old arrangement) is superior in every respect!
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13th Jul 2014 10:17pm |
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| excossack Member Since: 22 Feb 2012 Location: North West Posts: 5745
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I have most of the bits needed to do the job, inc a new hub. The only thing I am missing is a set of wheel bearings, but I have a set of new TDi wheel bearings which I planned on using for the front, so I will be using the bearings for the rear and doing away with the shim.
The only bits I am missing now are 52mm socket (apparently delivery attempted by APC but no card through the door depsite tracking info saying they have) 9/16th 12point 1/2" socket. 1999 Defender TD5 110 Regards John M0VAZ Econet Station 48 no clock |
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18th Jul 2014 7:32pm |
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