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Oldowner

Member Since: 26 Dec 2018
Location: South west
Posts: 623

2007 Defender 90 Puma 2.4 HT Aintree Green

Failed two pin diff in 65plate 110!!

Just looked at a friend of mines one owner very late 65plate 110USW with massive amounts of slop in the front axle. The front diff has let go and looking through the oil filler, it’s the useless two pin junk, not surprised it has let go. I thought these two pin units had been banished from the front of the 110 in 2011 and replaced with the HD four pin, so what’s it doing here?! Last few months of production cost cutting exercise? Use up anything we have left?

Interestingly it has the very late HD one piece rear half shafts fitted from new, perhaps they bunged a two pin diff in to make up for the lack of drivetrain slop from the rear end?

15th Aug 2020 10:40am

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17373

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

Despite what JLR has claimed and what has been written in various places it is apparent that 110s were being built with 2-gear diffs right to the end. Some have 4, most seem to have 2.

With the 2-gear diff in a 110 it isn't so much a case of "if" but "when" it fails, it simply isn't strong enough.

I don't know if the 130s were also random or if they all had 4-gear diffs.

15th Aug 2020 10:59am

miker

Member Since: 13 Sep 2015
Location: Surrey
Posts: 1763

Impressively, my 2 pin front is 230,000 miles and 20 years old. It does have some play in it though...

15th Aug 2020 11:28am

jst

Member Since: 14 Jan 2008
Location: Taunton
Posts: 8026

2011 Defender 110 Puma 2.4 USW Stornoway Grey

My 2010, 11my 110 had a 2 front diff, 4 pin rear.

My 2011 130 had 2 pin front, 4 pin rear. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop

15th Aug 2020 11:53am

Oldowner

Member Since: 26 Dec 2018
Location: South west
Posts: 623

blackwolf wrote:
Despite what JLR has claimed and what has been written in various places it is apparent that 110s were being built with 2-gear diffs right to the end. Some have 4, most seem to have 2.

With the 2-gear diff in a 110 it isn't so much a case of "if" but "when" it fails, it simply isn't strong enough.

I don't know if the 130s were also random or if they all had 4-gear diffs.

I wonder whether it was the 110 hardtops / Hicaps that got the 4 pin front diff being as they were most likely to be worked hard and overloaded by Utility companies etc?

Either way I still can’t believe this end of line 110USW has been fitted with the total junk 2 pin, the cross-shaft has elongated the hole in the diff carrier, what a surprise.

15th Aug 2020 12:46pm

Mo Murphy

Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2227

1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey

Look at the centre diffs they put in toward the end !
Glad mines old

Mo The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey

15th Aug 2020 3:09pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20355

Out of interest what is the typical life of Puma Defender diffs supposed to be? $W33T $0U7H3RN $UG4R
🇬🇧🏴󠁧󠁢󠁥󠁮󠁧󠁿🏴󠁧󠁢󠁷󠁬󠁳󠁿🏴󠁧󠁢󠁳󠁣󠁴󠁿🇮🇪🇺🇸⛽️🛢️⚙️🧰💪

15th Aug 2020 3:13pm

diesel_jim

Member Since: 13 Oct 2008
Location: hiding
Posts: 6092

What does the build spec show? or literature for that age vehicle from LR?

Surely there must be some claim for fraud?

15th Aug 2020 5:27pm

jst

Member Since: 14 Jan 2008
Location: Taunton
Posts: 8026

my build spec shows 4 pin front!

ref hardtops utilities, i dont think so. 130 HiCap had 2 pin front Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop

15th Aug 2020 5:42pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17373

Pretty appalling that a 130 has a 2-gear diff.

A modern diff should be good for half a million miles or more ... except in a Defender. I'd expect rear diffs to last 250k or more, 2-gear front on a working 110, well mine failed spectacularly at about 70k.

15th Aug 2020 5:53pm

BogMonster

Member Since: 05 Feb 2008
Location: Stanley
Posts: 400

2015 Defender 110 Puma 2.2 USW Corris Grey

My 2015 USW has the standard 2-pin front so if they did put 4 pin diffs in, it wasn't in very many of them! ---
2006 Defender 110 SW 300Tdi • 2011 Ford Ranger XLT crewcab • 2015 Defender 110 Station Wagon Utility TDCi

15th Aug 2020 7:42pm

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