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ZeDefender

Member Since: 15 Sep 2011
Location: Munich
Posts: 4731

2011 Defender 110 Puma 2.4 SW Baltic Blue

DefenderOfTheEarth wrote:
I was worried about ours having had a massive list of issues (covered under warranty but it was a major battle). 2nd to 3rd is definitely notchy. Oddly, ours seems to get better once the box is warmed up though.

Agree with others here - treat it with a bit of care (don't shove it into each gear, be extra careful when it's cold, etc) and it should be okay. I'm half expecting to need a new one eventually; if I do I'll see my Indy and get an Ashcroft one. About £1500 all in.

I have actually welcomed the cold weather (!) here, as changing gear has become a lot more pleasant (at least until the oil warms up). The Motul oil also brought a significant improvement.
I can live with an iffy gearbox as long as it doesn't keep getting worse. In any event, I'm already saving for an HD Transit box from Ashcroft when the warranty expires - I just hope Ashcroft are still in business in 2 years

Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...

4th Nov 2011 11:29am

Happyoldgit

Member Since: 14 Sep 2007
Location: Norfolk
Posts: 3471

2015 Defender 110 Puma 2.2 USW Corris Grey

But your gearbox may not give up the ghost in two years, it might continue functioning for 22 - or might give up in 12 months - who knows? Steve.
Owned numerous Land Rover vehicles of all shapes and sizes over the decades.
Current Defender: A non tarts hand-bagged Puma 110 XS USW.

[Insert something impressive here such as extensive list of previous Land Rovers or examples of your prestigeous and expensive items, trinkets, houses, bikes, vehicles etc]

http://forums.lr4x4.com

I used to be Miserable ...but now I'm ecstatic.

4th Nov 2011 2:45pm

ZeDefender

Member Since: 15 Sep 2011
Location: Munich
Posts: 4731

Miserableolgit wrote:
But your gearbox may not give up the ghost in two years, it might continue functioning for 22 - or might give up in 12 months - who knows?

Preferably the former, as long as somewhere like Ashcroft still exists in 22+ years

Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...

4th Nov 2011 4:42pm

Naks

Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2635

2010 Defender 90 Puma 2.4 SW Alpine White

Finally the gearbox is getting attended to, and the agent has ordered a new gearbox just in case.

Now when I take my foot off the accelerator at 110-110kmh, there's a whoop-whoop sound that seems to come from the rear diff

--
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged

Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

3rd Jan 2012 7:58am

ZeDefender

Member Since: 15 Sep 2011
Location: Munich
Posts: 4731

Naks wrote:
Finally the gearbox is getting attended to, and the agent has ordered a new gearbox just in case.

Now when I take my foot off the accelerator at 110-110kmh, there's a whoop-whoop sound that seems to come from the rear diff

The very best of luck to you sir

I, for one, am waiting with baited breath to hear the outcome

Matt Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...

3rd Jan 2012 8:08am

Naks

Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2635

Thanks!

wrt the diff, I saw this on another forum, can anyone confirm?

Quote:
The Puma's have 2 problems, no1 the chrome plating on the crown wheel are not of very hi quality. This causing the pinion and crown not to mesh together very well and you will find yourself stuck in a spar's parking lot with your crown wheel lying on the ground. Only solution is to insist on a diff made in england (they are of superior quality) and not the one made in the states (This is the diffs fitted to all pumas in SA). The workshop manager at our local dealership told us this.

--
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged

Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

3rd Jan 2012 8:14am

Naks

Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2635

Finally, after a whole year of battling with LR South Africa, their technical advisor does one drive and tells the dealer to replace the gearbox.

So just under 30,000km the landy gets a new rear diff and a new gearbox

--
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged

Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

27th Jan 2012 8:08am

ashtrans
Site Sponsor

Member Since: 08 Nov 2008
Location: Harpenden
Posts: 257

Naks wrote:
Thanks!

wrt the diff, I saw this on another forum, can anyone confirm?

Quote:
The Puma's have 2 problems, no1 the chrome plating on the crown wheel are not of very hi quality. This causing the pinion and crown not to mesh together very well and you will find yourself stuck in a spar's parking lot with your crown wheel lying on the ground. Only solution is to insist on a diff made in england (they are of superior quality) and not the one made in the states (This is the diffs fitted to all pumas in SA). The workshop manager at our local dealership told us this.

some facts

1) the crown wheel and pinions are not chrome plated, they are a ground finish

2) all 110 rear diffs (TBB000270) are made in the UK

3) the design is rubbish, problems are the gear teeth are weak but the big issue is they suffer badly from noise problems in my opinion mainly caused buy poor lubrication and the pinion bearings being overloaded as they are too close together.

we have designed a drop in replacement super strong hypoid diff with locker and HD shafts but can't decide to make it or not,

Dave Dave

27th Jan 2012 6:09pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17337

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

Dave, I would be delighted to volunteer my DC as a testbed for your rear diff - it would complement the ATB HD front diff I bought from you in December!

27th Jan 2012 6:45pm

ZeDefender

Member Since: 15 Sep 2011
Location: Munich
Posts: 4731

Only 2 years to go 'til I'm out of warranty and into some serious upgrades

Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...

27th Jan 2012 7:00pm

pannawonica

Member Since: 21 Nov 2010
Location: Clackline Western Australia
Posts: 568

Ashcroft

Force 9's and the heavy duty transit upgrade gearbox seem to be the Rolls Royce solution. While I am on the subject a larger engine 5 cylinder Puma would the way to go, not the car like D4. Commercial type engine, bullet proof so to speak.

30th Jan 2012 11:35am

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17337

Re: Ashcroft

pannawonica wrote:
Force 9's and the heavy duty transit upgrade gearbox seem to be the Rolls Royce solution. While I am on the subject a larger engine 5 cylinder Puma would the way to go, not the car like D4. Commercial type engine, bullet proof so to speak.

There's been a lot of talk here and elsewhere about the possibility of fitting the Transit HD gearbox, but has anyone actually done it? If so, is it actually any better?

30th Jan 2012 11:55am

pannawonica

Member Since: 21 Nov 2010
Location: Clackline Western Australia
Posts: 568

Re: Ashcroft

[quote="blackwolf"][quote="pannawonica"]Force 9's and the heavy duty transit upgrade gearbox seem to be the Rolls Royce solution. While I am on the subject a larger engine 5 cylinder Puma would the way to go, not the car like D4. Commercial type engine, bullet proof so to speak.[/quote]

There's been a lot of talk here and elsewhere about the possibility of fitting the Transit HD gearbox, but has anyone actually done it? If so, is it actually any better?[/quote]

Maybe white vanman can come in and put us right.

30th Jan 2012 12:07pm

ashtrans
Site Sponsor

Member Since: 08 Nov 2008
Location: Harpenden
Posts: 257

Re: Ashcroft

blackwolf wrote:
pannawonica wrote:
Force 9's and the heavy duty transit upgrade gearbox seem to be the Rolls Royce solution. While I am on the subject a larger engine 5 cylinder Puma would the way to go, not the car like D4. Commercial type engine, bullet proof so to speak.

There's been a lot of talk here and elsewhere about the possibility of fitting the Transit HD gearbox, but has anyone actually done it? If so, is it actually any better?

no, not been done yet,

the 3.2 TDCi 5Cyl transit MT82 is rated to a higher torque capacity, I did some digging to find out the differences and have found that at least 3 (maybe more) of the bearings are much bigger, the 2 boxes are similar in many ways and it looks possible to put the 4 wheel drive back end onto the HD transit box. There is some debate if the main casing is the same, I don't know yet,

we have a customer who is putting this 3.2 TDCi into a defender and will be sending me the HD MT82 to try and convert to 4WD spec,

I will advise the outcome, if this is a goer I can get brand new HD MT82's from ford at reasonable money,

the last 7 failures I have seen on the defender MT82's are :

1 x stripped reverse dog teeth (ramming into reverse)
2 x failed bearings (plain hard work, ie towing digger)
1 x bust props smashing casings (bad prop UJ)
3 x stuck ingear (being heavy handed with shifter)

the HD box will only help with the failed bearings Dave

30th Jan 2012 8:56pm

T1G UP

Member Since: 08 Dec 2009
Location: Bath
Posts: 3101

2011 Defender 110 Puma 2.4 XS CSW Orkney Grey

Re: Ashcroft

ashtrans wrote:

we have a customer who is putting this 3.2 TDCi into a defender

i think this will be amazing!

30th Jan 2012 9:50pm

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