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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8026
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
PUMA rear diffs?
are there known problems with the rears? i am aware of issues with front diffs and we have certainly got through a few at work but havent come across problems with the rears.

i took my 09MY 110 XS utility (2pin std rear?) into the dealer to have the rear diff input seal done. when driving it in there was a rumble from underneath so i asked them to look at this too.

end result after they had spoken with LR technical was that they dont want to let me have the vehicle back and they need to strip the rear diff and send some pictures back etc etc - then i suppose they may think about ordering a replacement and then they may even fit it - i dare say a long drawn out process!

i know the 130s and later utility 110s come with a 4 pin rear so maybe it is a known issue - anyone lse had REAR diff problems? Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #10573 8th May 2009 8:17am
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Sonic3d



Member Since: 28 Jan 2008
Location: Ross on Wye
Posts: 1505
United Kingdom 2010 Defender 110 Puma 2.4 XS DCPU Stornoway Grey
I`ve had 2 rear diffs so far due to what sounds like a high spot on the pinion gear, you only noticed it at slow speeds. Mine has a 4 pin diff and its an 08 double cab Thumbs Up
Post #10575 8th May 2009 11:22am
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markalpha



Member Since: 23 Apr 2008
Location: Downham Market
Posts: 690
England 2013 Defender 110 Puma 2.2 XS CSW Santorini Black
Yes had a new Rear Diff 10 months ago in our 110 Utility 57 plate not sure if 2 or 4 pin, been ok so far. It went in a quarry and as soon as we got speed up on the road it was very loud and rumbling/grinding. Dealer got it sorted under warranty.
Post #10578 8th May 2009 1:40pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8026
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
cheers guys so a known fault it would seem. thats good to hear. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #10579 8th May 2009 3:14pm
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TJ101



Member Since: 30 May 2007
Location: Taunton Somerset
Posts: 3750
Isle Of Man 2015 Defender 110 Puma 2.2 XS CSW Montalcino Red
jst wrote:
cheers guys so a known fault it would seem. thats good to hear.


You recon Shocked But i know what you meant Laughing California F1, 75th 110 "Kermit", 50th Ann V8, 90 V8 Hybrid, 55 Series 1

Main Brian James Trailer Dealer for South West UK
Post #10586 8th May 2009 7:28pm
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AndrewS



Member Since: 10 Apr 2007
Location: Hereford
Posts: 3707
United Kingdom 2013 Defender 130 Puma 2.2 SW Rimini Red
Well I am on number 5 on the rear and 3 or 4 on the front.
Post #10591 8th May 2009 9:19pm
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markalpha



Member Since: 23 Apr 2008
Location: Downham Market
Posts: 690
England 2013 Defender 110 Puma 2.2 XS CSW Santorini Black
Are you still using LR diffs Andrew
Post #10594 9th May 2009 8:29am
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AndrewS



Member Since: 10 Apr 2007
Location: Hereford
Posts: 3707
United Kingdom 2013 Defender 130 Puma 2.2 SW Rimini Red
markalpha wrote:
Are you still using LR diffs Andrew


Yep so far the latest ones have held up Thumbs Up Censored that done it Rolling Eyes
Post #10595 9th May 2009 8:31am
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mse



Member Since: 06 Apr 2008
Location: UK
Posts: 5035
United Kingdom 2016 Defender 110 Puma 2.2 XS CSW Scotia Grey
Other than rubbish design

Is there any reason for failures? Mike
Post #10596 9th May 2009 9:33am
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8026
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
mse wrote:
Other than rubbish design

Is there any reason for failures?


increased torque and lower gearing?

we had alot go on steep descents but they were all front diffs which with a fully loaded 110 and low 1st thats a lot of engine braking on a component. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #10597 9th May 2009 9:50am
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markalpha



Member Since: 23 Apr 2008
Location: Downham Market
Posts: 690
England 2013 Defender 110 Puma 2.2 XS CSW Santorini Black
Are they 2 or 4 pin Andrew, good to hear you are having something go right for you.
Post #10622 10th May 2009 9:04am
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Gabriel Boff



Member Since: 19 Apr 2009
Location: Rio Grande do Sul
Posts: 95
Brazil 2009 Defender 90 Puma 2.4 XS CSW Tonga Green
Hi (remember i'm from Brazil)

- What is "pin", and "2pin" , "4pin"????

- How you can broke that much of LR diffs?????

Here in Brazil the jeep and toyota diffs are common, but the war CJ's and FJ40, not the modern ones, and all the LR diffs are much, much, much, much more strongest!! i'm impressed how tuff it is knowing my 09 90 CSW, I ask: How you broke it? Is it in off road? Or excessive speed/distance?

regards
Post #10721 11th May 2009 11:38pm
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MK



Member Since: 28 Aug 2008
Location: Santiago
Posts: 2415
Chile 2007 Defender 110 Puma 2.4 SW Chawton White
2-4 etc pins are the "satelites" small conical pinions playing inside the carrier. Probably LR did not test them app with the new high torque engine. Puma 110" SW

.............................................................
Earth first. Other planets later
Post #10722 12th May 2009 12:22am
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Gabriel Boff



Member Since: 19 Apr 2009
Location: Rio Grande do Sul
Posts: 95
Brazil 2009 Defender 90 Puma 2.4 XS CSW Tonga Green
Yeah yeah now I understood!!!

Thanks!

Some notice of this problem occuring with 90's????

att
Post #10757 12th May 2009 12:40pm
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AndrewS



Member Since: 10 Apr 2007
Location: Hereford
Posts: 3707
United Kingdom 2013 Defender 130 Puma 2.2 SW Rimini Red
markalpha I was lead to believe that they are 2 pin. The reason behind this was that's what I was told by LRCC. When I asked for the diffs to be up graded to 4 pins (I offered to pay the Extra) I was told NO by LR as it would invalidate my warranty as the vehicle is not standard Shocked Shocked Shocked I know I could not believe it either. However Ashcroft Transmissions has posted on this forum saying that the diffs are all 4 Pin.


Gabriel Boff
Check out this link you will see an animated image showing a working 2 pin Diff. The red objects in the animation are what's called the 'pins'. If you were to add 2 more 'pins' between the existing ones you will then have a stronger 4 pin diff.
http://auto.howstuffworks.com/differential2.htm
Post #10767 12th May 2009 2:52pm
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