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Roukmuth



Member Since: 25 Sep 2022
Location: Aurillac
Posts: 3
France 2002 Defender 110 Td5 SW Epsom Green
Transfer box rear flange on Defender Puma
Hello everyone Smile

I have just removed the transfer box rear flange from my Defender 90 Puma (2013). I have an oil leak from the handbrake drum and I'm going to change the seal.

I am surprised because the mudshield is strongly attached to the flange and I cannot separate them (1st photo).
Also, the mudshield mounted on the flange is different from the spare one I purchased (FTC4941- 2nd photo).

In my case this is not a problem because I can still change the seal.

But how can I do if I want to change the circlip or the 4 screws ? Confused

Thank you for your advices Thumbs Up



Last edited by Roukmuth on 8th Nov 2023 5:14pm. Edited 2 times in total
Post #1014388 8th Nov 2023 2:18pm
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Dinnu



Member Since: 24 Dec 2019
Location: Lija
Posts: 3461
Malta 2012 Defender 90 Puma 2.2 CSW Santorini Black
I guess you would never need to change the circlip, but it is possible that you want to change the bolts that bolt the drive shaft. I have replaced the bolts by just shifting the circlip all the way to the mud shield, install the bolts, and shifting the circlip back in its correct position. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black
Post #1014412 8th Nov 2023 4:01pm
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andy63



Member Since: 30 Jun 2023
Location: north east
Posts: 582
United Kingdom 
Re: Transfer box rear flange on Defender Puma
Roukmuth wrote:
Hello everyone Smile

I have just removed the transfer box rear flange from my Defender 90 Puma (2013). I have an oil leak from the handbrake drum and I'm going to change the seal.

I am surprised because the mudshield is strongly attached to the flange and I cannot separate them.
Also, the mudshield mounted on the flange is different from the spare one I purchased (FTC4941).

In my case this is not a problem because I can still change the seal.

But how can I do if I want to change the circlip or the 4 screws ? Confused

Thank you for your advices Thumbs Up



did mine a while ago..I got the oil seal flange and mud shield so the shield is a seprrate item and will press off the flange.. but there is no need if you are replacing the lot....again from memory the only way I could have changed the bolts was by removing the flange and taking the circlip off, ill have to check that next time im under it ,, but think my bolts would be to long to remove by just shifting the circlip
Post #1014415 8th Nov 2023 4:32pm
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Roukmuth



Member Since: 25 Sep 2022
Location: Aurillac
Posts: 3
France 2002 Defender 110 Td5 SW Epsom Green
Thank you Dinnu for your quick reply Smile

I followed your advice

I have shifted the circlip in correct position and expand it to allow the bolt to come out. Unfortunatly the bolt is still blocked by the mudshield Crying or Very sad



Last edited by Roukmuth on 8th Nov 2023 4:55pm. Edited 1 time in total
Post #1014417 8th Nov 2023 4:45pm
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410
United Kingdom 
Dinnu wrote:
I guess you would never need to change the circlip, but it is possible that you want to change the bolts that bolt the drive shaft. I have replaced the bolts by just shifting the circlip all the way to the mud shield, install the bolts, and shifting the circlip back in its correct position.


As above. Thumbs Up

It is known for oil to seep along the shaft splines and bypassing the seal. Smear a little RTV sealant on the splines before putting the flange back on. It is belts and braces, but it will keep the oil from the inside of your transmission brake.
Post #1014419 8th Nov 2023 4:52pm
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andy63



Member Since: 30 Jun 2023
Location: north east
Posts: 582
United Kingdom 
Roukmuth wrote:
Thank you Dinnu for your quick reply Smile

I followed your advice

I have shifted the circlip in correct position and expand it to allow the bolt to come out. Unfortunatly the bolt is still blocked by the mudshield Crying or Very sad


thats basically what I was saying...the bolts are to long to remove in situ without removing the flange and obviously the mud shield has to be removed if it comes off on the flange , but that seems odd..my mud shield stayed on the casing when I removed the flange..
Post #1014420 8th Nov 2023 5:00pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17519
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
The mudshield is a light drive fit on the flange and not difficult to remove using either a puller or by supporting the mudshield and driving the flange out of it. It is highly likely that it won't be reusable afterwards though.

There is a well-known aftermarket manufacturer whose mud shields seem to bear very little resemblance to the originals and when no alternative has been available I have had to machine them in the lathe to allow them to fit.
Post #1014426 8th Nov 2023 6:23pm
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andy63



Member Since: 30 Jun 2023
Location: north east
Posts: 582
United Kingdom 
That's interesting.. As I said above my mud shield was left on the transfare box when I removed the flange.. I don't know enough about the defender to know that that is not right.. You are saying its designed to be a press fit on the flange and rotate with it..
Am I picking that up correctly🤔
Post #1014430 8th Nov 2023 6:47pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17519
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Yes, the mud shield is part of the flange assembly.
Post #1014432 8th Nov 2023 6:56pm
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andy63



Member Since: 30 Jun 2023
Location: north east
Posts: 582
United Kingdom 
👍
Thanks
Post #1014434 8th Nov 2023 7:11pm
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Dinnu



Member Since: 24 Dec 2019
Location: Lija
Posts: 3461
Malta 2012 Defender 90 Puma 2.2 CSW Santorini Black
andy63 wrote:
Roukmuth wrote:
Thank you Dinnu for your quick reply Smile

I followed your advice

I have shifted the circlip in correct position and expand it to allow the bolt to come out. Unfortunatly the bolt is still blocked by the mudshield Crying or Very sad


thats basically what I was saying...the bolts are to long to remove in situ without removing the flange and obviously the mud shield has to be removed if it comes off on the flange , but that seems odd..my mud shield stayed on the casing when I removed the flange..


So I might have had either loose fitting holes for the bolts, or a smaller mudshield Cool 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black
Post #1014443 8th Nov 2023 7:32pm
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Roukmuth



Member Since: 25 Sep 2022
Location: Aurillac
Posts: 3
France 2002 Defender 110 Td5 SW Epsom Green
Thank you all for your help Thumbs Up
Post #1014521 9th Nov 2023 9:48am
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