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Sybrow



Member Since: 31 Dec 2023
Location: Skipton
Posts: 33
United Kingdom 2012 Defender 110 Puma 2.2 DCPU Keswick Green
Diff and Transfer box flanges
I need to replace the propshaft UJ's on my 2.2 110 and am wondering whether it would be a good idea to replace the diff and transfer box flanges whilst the props are off?

The plan is to buy the uprated UJ's from Gwyn Lewis and I would buy Gwyn Lewis flanges as well.

Am I just wasting my money replacing the flanges as well?
Post #1053179 28th Nov 2024 9:03am
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5729
2006 Defender 110 Td5 USW Zermatt Silver
Can’t think of a reason to change the flanges, unless you’ve done something to them.

To be honest I’m surprised you’re needing new props.
Post #1053180 28th Nov 2024 9:16am
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Sybrow



Member Since: 31 Dec 2023
Location: Skipton
Posts: 33
United Kingdom 2012 Defender 110 Puma 2.2 DCPU Keswick Green
Thanks - I won't bother with the flanges.

The reason for thinking of doing the UJs was that I have replaced the half shafts with Lof solid ones and have also replaced the a frame ball joint. So thought the UJs would be the next thing to look at, to help reduce the clunking noise on gear changes.
Post #1053185 28th Nov 2024 10:00am
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20453
United Kingdom 
Be sure you get precisely the correct UJ’s if you do get some more, for the props you have.

You can change them, but they can be a pain, it’s faster and easier to buy a new prop, the downside is the extra cost.
GKN branded UJs are good, factory props are Hardy Spicer I believe, if you want to splash out Gwyn does some nice HD props as well.

If you are getting a bit of clunking check for fretting (wear) of the rear drive shafts and flanges, as well as the front. No Guts, No Glory.
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Post #1053189 28th Nov 2024 10:36am
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MK



Member Since: 28 Aug 2008
Location: Santiago
Posts: 2422
Chile 2007 Defender 110 Puma 2.4 SW Chawton White
Sybrow wrote:
Thanks - I won't bother with the flanges.

The reason for thinking of doing the UJs was that I have replaced the half shafts with Lof solid ones and have also replaced the a frame ball joint. So thought the UJs would be the next thing to look at, to help reduce the clunking noise on gear changes.


I would not change the UJ´s unless they are worn out. Nvertheless you can easily replace them using some basic tools (check any youtube video). Most slack, in your case with new halfshafts, likely comes from the central diff at the transfer case. Depending on mileage, oil type and driving style, the thrust shims may be worn out or gone. Puma 110" SW

.............................................................
Earth first. Other planets later
Post #1053191 28th Nov 2024 10:49am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17450
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Re: Diff and Transfer box flanges
Sybrow wrote:
I need to replace the propshaft UJ's on my 2.2 110 and am wondering whether it would be a good idea to replace the diff and transfer box flanges whilst the props are off?

The plan is to buy the uprated UJ's from Gwyn Lewis and I would buy Gwyn Lewis flanges as well.

Am I just wasting my money replacing the flanges as well?


If they are not leaking oil leave them alone. If you replace the flange replace the seal as well, and if you do this (especially with aftermarket parts) it is distinctly possible that you will introduce a leak where there was none before.

If it isn't broken, don't fix it!
Post #1053192 28th Nov 2024 10:51am
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Sybrow



Member Since: 31 Dec 2023
Location: Skipton
Posts: 33
United Kingdom 2012 Defender 110 Puma 2.2 DCPU Keswick Green
Many Thanks all. I'll have a look at the UJs in more detail to work out if they do need replacing and I think I'll leave the flanges alone!
Post #1053229 28th Nov 2024 4:05pm
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Notyalc



Member Since: 27 Jul 2018
Location: Northumberland
Posts: 161
United Kingdom 2003 Defender 90 Td5 HT Epsom Green
custom90 wrote:
Be sure you get precisely the correct UJ’s if you do get some more, for the props you have.

You can change them, but they can be a pain, it’s faster and easier to buy a new prop, the downside is the extra cost.
GKN branded UJs are good, factory props are Hardy Spicer I believe, if you want to splash out Gwyn does some nice HD props as well.

If you are getting a bit of clunking check for fretting (wear) of the rear drive shafts and flanges, as well as the front.


I think Hardy Spicer is a GKN brand
Post #1053264 28th Nov 2024 7:54pm
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