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Phoenix90

Member Since: 04 Mar 2012
Location: Cornwall
Posts: 377

2007 Defender 110 Puma 2.4 USW Stornoway Grey

Front differential on Puma

I know nothing about diffs really, and they are one of those things that the thought of working on scare me

I've read in a few places (on this forum) that the early 110 Pumas have the weak 2 pin front diffs and that these are more a case of 'when they fail' rather than 'if they fail'. Is this true and if so is there anyway to work out if my one (110 approaching 40K miles) is suffering?

Or, is it just worth changing as a matter of course.

24th Nov 2012 6:03pm

Phoenix90

Member Since: 04 Mar 2012
Location: Cornwall
Posts: 377

P.S Truck is an early 2008 USW so i'm pretty sure it has the two pin diff at the front.

24th Nov 2012 6:10pm

sc70

Member Since: 29 Jun 2010
Location: Tregaron
Posts: 261

2015 Defender 90 Puma 2.2 CSW Santorini Black

all LR have a 2 pin diff (except p38) we trial on standard 2 pins and there fine

24th Nov 2012 7:02pm

jst

Member Since: 14 Jan 2008
Location: Taunton
Posts: 8059

2011 Defender 110 Puma 2.4 USW Stornoway Grey

not quite Simon, well not all LR

later Pumas have 4 pin, early 110s had 2 pin front and 4 pin rear. V8 90s ran 4 pin (although only rear i think) Cheers

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

24th Nov 2012 7:22pm

MK

Member Since: 28 Aug 2008
Location: Santiago
Posts: 2420

2007 Defender 110 Puma 2.4 SW Chawton White

my 07 has a 2-pin front and no probs after quite amount of trial even with larger tires. Puma 110" SW

.............................................................
Earth first. Other planets later

24th Nov 2012 9:31pm

jst

Member Since: 14 Jan 2008
Location: Taunton
Posts: 8059

we seemed to stuggle with them when a 110 was fully loaded going down a steep limit of traction drop, got through a few until a 4 pin was fitted. they were 07/08 models. Cheers

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

24th Nov 2012 9:34pm

sc70

Member Since: 29 Jun 2010
Location: Tregaron
Posts: 261

jst wrote:
not quite Simon, well not all LR

later Pumas have 4 pin, early 110s had 2 pin front and 4 pin rear. V8 90s ran 4 pin (although only rear i think)

well you learn something everyday

25th Nov 2012 11:39am

chrisbowler

Member Since: 25 Jun 2011
Location: wales
Posts: 101

4 pin diff is speced as a heavy duty option only part number tbbooo280 £1163.41

Can be fitted to any PUMA or defender
Chris bowler

28th Nov 2012 9:06pm

nikojo

Member Since: 05 Aug 2011
Location: Madrid
Posts: 75

are the ashcroft's 4 pin??

29th Nov 2012 3:32am

nikojo

Member Since: 05 Aug 2011
Location: Madrid
Posts: 75

are the ashcroft's 4 pin??

29th Nov 2012 3:32am

Phoenix90

Member Since: 04 Mar 2012
Location: Cornwall
Posts: 377

nikojo wrote:
are the ashcroft's 4 pin??

Ashcroft certainly spec a 4 pin diff. I'm going to have a chat with them see what they can offer - I'll post what I come up with.

29th Nov 2012 8:41am

ashtrans
Site Sponsor

Member Since: 08 Nov 2008
Location: Harpenden
Posts: 258

Hi,

We are out of stock of the 4 pins at the moment, we have 50 in production but you may as well buy the ATB, it's not much more money and you have the added bonus of addition traction being a limited slip :

http://www.ashcroft-transmissions.co.uk/in...ductId=259

Dave Dave

29th Nov 2012 6:47pm

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