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simont



Member Since: 15 Feb 2011
Location: Sunderland/Newcastle
Posts: 1809

England 2007 Freelander 2 TD4 GS Manual Tonga Green

npinks wrote:
his heads not going to fit through the forum door at this rate Laughing


As long as he can peer through the forum window - things will be fine Thumbs Up 2002 Honda VFR800
2002 Toyota Celica 140 Silver (mid life crisis - again!)
2007 FL2 GS Manual Army Reconnaissance Green + freel2.com sticker Smile
2004 Toyota Celica 140 Black - Gone
2000 Toyota Celica 140 Silver - Gone
1998 Toyota Celica ST Pearl Green - Gone
1996 Nissan Primera 1.6 - Gone
1994 Rover Montego 1.6 Auto - Gone

Post #118339 28th Oct 2011 1:25 pm
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alex_pescaru



Member Since: 12 Mar 2009
Location: RO
Posts: 4642

Guys, I don't deserve such praises...
I've told you, anyone can know such things and more.
The only things that are needed are the will and passion.
Still, thank you very much for your apreciation, but let's not spoil the OP's topic.

Post #118355 28th Oct 2011 3:45 pm
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Chris B



Member Since: 23 Jul 2008
Location: North Yorkshire
Posts: 440

United Kingdom 

Had my diff replaced but only because the dealer (not my normal Ripon LR but one near where I was working away) did not have the rebuild fixtures/tools for a "low line" repair (i.e. just the nose bearing replacement).
Technician at Ripon LR told me that this is a common issue. One bearing roller picks up and replacing the bearing IS OK. There are no bits of bearing going into the diff/oil.
All OK for the last 4000 miles.
Had a powertrain software update because of an incidence of "HDC disabled" followed by "terrain response disabled" when restarting in M25 traffic jam. No repeat. I hope this has also updated the Haldex. Gone... 2013 XS TD4 Manual Firenze Red
Gone... 2008 (09MY) XS Td4 Manual Stornaway Grey
Prior... 2003 G4 Discovery 2, 1998 Disco 1 and 1997 Disco 1 Company car before that
Also gone in Nov'13, after 7.5 yrs, to new owners with time for more TLC - 1980 Series III 88
Current 2015 Discovery Sport HSE 2.0

Post #118481 29th Oct 2011 8:33 pm
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frankreid



Member Since: 16 Nov 2010
Location: HARTLEPOOL
Posts: 56

2007 Freelander 2 TD4 GS Manual Sumatra Black

just posted that my Diff is getting done next week.. can I ask though what is the "Haldex"? also should I be asking about it myself? advise please chaps..

Regards

Frank R9 FLR

Post #118716 31st Oct 2011 7:49 pm
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rchrdleigh



Member Since: 18 Aug 2007
Location: Somewhere in the East of England
Posts: 1601

England 2011 Freelander 2 TD4 XS Manual Baltic Blue

Have a look on wikepedia:

http://en.wikipedia.org/wiki/Haldex_Traction

or read the extract below:

The third generation of Haldex coupling made its appearance on the newly re-designed Land Rover Freelander 2 (LR2 in the United States). With enhanced capabilities, it allows more immediate off road response. The Freelander's 4x4 system has been developed in conjunction with Haldex, whose centre-coupling technology continuously alters the front-rear torque split, normally through a hydraulically operated multi-plate wet clutch. However, Land Rover wanted an electronically controlled centre coupling – linking the propshaft to the rear differential – that could pre-engage at rest to reduce wheelspin from standing starts, engage quickly when traction loss was detected and disengage quickly without compromising stability control systems. The system also had to transmit the necessary torque to achieve Freelander 2's off-road traction demands. The result is used exclusively on Freelander 2, and pre-emptively engages four-wheel drive quickly and completely. An improved high-pressure pre-charge pump charges the hydraulic system as soon as the engine is started, allowing for full-time 4x4 from rest. It also reduces the time taken to achieve full torque once wheel-slip has been detected – within 15 degrees of wheel-slip rotation (compared with 50 degrees of wheel-slip rotation with the previous generation Haldex). The Freelander 2's Haldex unit is designed to allow up to 1500 Nm of torque transmission. An accumulator also speeds up the unit's response. Full torque transmission can be achieved in 150 milliseconds. In effect, the new Haldex coupling gives the benefits of full-time 4x4 and the efficiency and fuel economy of an on-demand system

Post #118732 31st Oct 2011 9:06 pm
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frankreid



Member Since: 16 Nov 2010
Location: HARTLEPOOL
Posts: 56

2007 Freelander 2 TD4 GS Manual Sumatra Black

Thanks .. so why should it need changing or does it not...


Regards

Frank R9 FLR

Post #118755 31st Oct 2011 11:04 pm
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frankreid



Member Since: 16 Nov 2010
Location: HARTLEPOOL
Posts: 56

2007 Freelander 2 TD4 GS Manual Sumatra Black

It ended up with a overhaul ...

The report reads
Road tested car with Chassis ears, for road noise rear, located noise from rear diff, Carried out rear diff overhaul, all ok £222.98

Parts
Ring - sealing
nut - flanged
spacer
Oil- hypoid 80w90
seal assy- driving pinion oil
"O" Ring
(p) Bearing - Differential
£68.68

Equals £291.66
Vat £58.33
Total £349.99
Your thoughts anyone please R9 FLR

Post #120066 13th Nov 2011 2:33 am
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