 | Home > Maintenance & Modifications > What threadlock for Drive Flange Bolts? |
 
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347   
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Hi guys,
Hoping to get my drive flanges changed tomorrow but haven't got any thread locker for the bolts. I ordered all the bits, drive flanges, gaskets and bolts and they arrived promptly and more importantly the drive flanges are a nice tight fit on the half shafts. The bolts supplied have a blue smear on them  Click image to enlarge To my eye the blue just looks like blue goop which is for stainless fittings but could it be pre-threadlocked? If not, which grade threadlock should I get? Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197 Self confessed mileage hunter  |
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10th Jan 2015 8:07pm |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
blue smear = threadlock
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10th Jan 2015 8:12pm |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347
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Smashing!
Will provide a write up tomorrow evening! Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197 Self confessed mileage hunter |
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10th Jan 2015 8:35pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5665 
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None. Don't like it on drive flange bolts and personally don't think it's needed.
Andy |
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10th Jan 2015 8:42pm |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347
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I was recommended by a LR technician to use new bolts and lock tight.
As they are pre lock tighted to me it makes sense to keep it on? Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197 Self confessed mileage hunter |
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10th Jan 2015 9:35pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5665
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There are many bolts and in shear force. So very unlikely to come out. Biggest problems I've had are with my newish vehicle where the bolts have snapped on extraction due to too much thread lock. Not good, but even worse road side, or when away.
Andy |
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10th Jan 2015 9:39pm |
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| munch90 Member Since: 26 Oct 2013 Location: guildford Posts: 3558 
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There is always for and against for thread lock
reason for it on flange is no other shakeproof method used no spring/star washer used Too much is bad , snapping etc just a dap , holds bolt plus seals threads stopping them rusting and seizing most of what we would do on a defender a low to medium strength is ok i got some stuff a while ago that is just pure evil if you ever want to undo anything again !! It just ripes the thread to pieces |
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10th Jan 2015 9:53pm |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347
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Ok all valid points.
I'm now not planning on adding any thread lock, but there is already some blue goop on the end which is suspected to be thread lock - should I remove this (if so how?) or should I assemble with it and use lots of copper slip? Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197 Self confessed mileage hunter |
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10th Jan 2015 10:02pm |
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| munch90 Member Since: 26 Oct 2013 Location: guildford Posts: 3558
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I would fit them as they are
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10th Jan 2015 10:05pm |
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| DefenderJon Member Since: 01 Dec 2012 Location: Sunny Ulster Posts: 68  
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I would fit them as they are supplied (ie. with the pre-applied thread lock). It's only medium strength anyway so shouldn't present a problem on removal. One thing I would say though, if you have an M10 tap, run it down the holes and give them a blow out with compressed air, to ensure that the bolts don't bottom out on old crud in the bottom of the holes.
Jon. Defender 90 TD5 CSW - The longer I own it, the newer it gets!! |
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10th Jan 2015 10:29pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5665
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Go with. I'm sure all will be ok. You can remove by running a thread die along bolt to remove.
And put them in by hand and ratchet if they have tread lock on, as with gun it can cause more problems with the thread look as generates heat. Andy |
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10th Jan 2015 10:33pm |
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| Rickydodah Member Since: 14 Jul 2014 Location: East Sussex Posts: 1091 |
Loctite 243 is a medium strength thread locker which has the added benefit of working on passivated coatings, stainless steel and aluminium. I've yet to find any difficulty in disassembly as it seals the threads it tends to stop corrosion and in my view makes bolts easier to remove in most cases.
I started with nothing and still have most of it left! |
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10th Jan 2015 10:58pm |
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| Philslandy Member Since: 10 Sep 2013 Location: Eifel Posts: 156  
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IT`s not a big deal,
you can first Mount the screws without threadlock, drive for a certain time and see if they get loose. i yes, than with treadlock 
Normaly when the right torque (NM) is used, in this case 65-70, the screws shouldn`t make Trouble. |
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11th Jan 2015 10:25am |
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