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naks



Member Since: 15 Jul 2016
Location: Stellenbosch
Posts: 1108

South Africa 2013 Range Rover Sport Supercharged Siberian Silver
L494 rear diff failure

Hi everyone,

I saw this on FB just now, the workshop claims it's a common problem.

Is anyone aware of this?

https://www.facebook.com/winchestergears/videos/1252484618248092/

Quote:
Already this year we have had a number of enquires about these diffs. This is from a 2015 Range Rover sport 3.0 diesel. With not particularly high miles 80k. Weโ€™ve seen a number of car manufacturers start using the ball bearing style race particularly in BMWs and now landrover have followed suit. Notice how none of the taper bearings are showing sign of wear and the ball bearing race literally collapsed as I picked it up.

Needless to say Winchester Gears are now stocking these units on shelf both front and rear diffs. We also offer a collection and delivery service. Where we will collect your own diff, gearbox or transfer unit rebuild it and return to you.
 --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport Supercharged V8 HSE Dynamic



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

Post #574155 Thu Jan 31 2019 7:16am
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Tyrefitter



Member Since: 19 Jul 2015
Location: Bridlington East Yorkshire
Posts: 3675

United Kingdom 2013 Range Rover Sport SDV6 Autobiography Fuji White

Im sure their will be a recall in foreign countries but in the UK they will not have heard of any problem with the diff & we the customer will get stuffed yet again. Andy.
21 Ford Ranger
Gone but not forgotten
Focus RS Red Edition
2015 RRS AB Fuji.
2014 RRS SC Santorini
2016 VW Amarok
2014 RRS AB Fuji
2012 RRS Red Edition Fuji
2015 Nissan Navara
2012 RRS SE Santorini
2008 RRS White
2007 RRS Santorino

Post #574157 Thu Jan 31 2019 7:57am
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Godders



Member Since: 26 Aug 2017
Location: Dordogne
Posts: 155

France 2010 Range Rover Sport 3.0 TDV6 HSE Stornoway Grey

Surely if it was a common problem then we would have been hearing about it on this forum well before now. Possibly a bit of scaremongery and salesmanship from them. Whistle Never argue with stupid people, they will drag you down to their level and then beat you with experience.

Post #574159 Thu Jan 31 2019 9:24am
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wilf



Member Since: 08 Nov 2012
Location: on the naughty step
Posts: 939

Rear diff was changed on mine at about 5k miles due to a vibration and oil leak. MY2016 HSE D SDV6 - gone due to fuel dilution problems.

By the age of 50 you have the face you deserve - George Orwell.

Post #574161 Thu Jan 31 2019 9:51am
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Disco_Mikey



Member Since: 08 Apr 2012
Location: Dundee, Scotland
Posts: 4321

United Kingdom 2010 Range Rover Sport Supercharged HSE Santorini Black

Ive replaced a 494 diff at 30k due to a whine...

Not hugely common, but frustrating all the same Rolling Eyes

Post #574165 Thu Jan 31 2019 12:26pm
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BKHK



Member Since: 05 May 2008
Location: Perth
Posts: 1936

Australia 

My first L320 had a new rear diff at 6k miles but that was in 2009. I rejected that car for faults and was assisted into a new L320 which was brilliant.

Post #574168 Thu Jan 31 2019 1:45pm
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naks



Member Since: 15 Jul 2016
Location: Stellenbosch
Posts: 1108

South Africa 2013 Range Rover Sport Supercharged Siberian Silver

Godders wrote:
Surely if it was a common problem then we would have been hearing about it on this forum well before now. Possibly a bit of scaremongery and salesmanship from them. Whistle


thought so as well --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport Supercharged V8 HSE Dynamic



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

Post #574169 Thu Jan 31 2019 1:58pm
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scrumps



Member Since: 01 Aug 2011
Location: Somerset
Posts: 448

United Kingdom 

Hi,

Rear diff oil leak spotted at 2nd service on my 16MY AB.

Allegedly fixed however rumbling noise started about 3k miles later.

Rear diff assembly changed - and prop shaft - as signs of grease throw-out sighted when removed.

Been fine since.

I suspect diff oil seal repair not a good fix with diff in the vehicle (Pre-load checks?)

Scrumps Somerset - Where the apples do grow and the cider do flow!
2021 Defender 90 D250 HSE in Tasman with white roof.
24MY D300 AB - Verasine Blue - ๐Ÿ˜€
19MY SDV6 AB - Byron Blue - Gone
17MY D5 SDV6 HSE - Firenze Red - Gone
16MY SDV6 AB -Aruba Silver - Gone
13.5MY SDV6 "HSE Black" - Baltic Blue - Gone
10MY TDV8 HSE Galway Green - Gone
14MY D4 HSE in Scotia Grey - Gone
05 TD5 D90 CSW in Cairns Blue

Post #574182 Thu Jan 31 2019 5:38pm
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RRSporter



Member Since: 08 Nov 2012
Location: UK
Posts: 61

To fix rear diff pinion leak (Common fault) with new bearing and seal as per the LR mod kit you need to split the diff. Chatted to Winchester gears and have the utmost faith in them doing it sucessfully.

Tbh I donโ€™t in even LR doing this repair successfully long term. Preload and knowing what you are doing are key to success. Best left to specialist shop like Winchester i would say if out of warranty. Very reasonable too and great turnaround service offered. 3.0 SDV6 HSE L494

Post #584412 Wed Jul 24 2019 8:55pm
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RRSporter



Member Since: 08 Nov 2012
Location: UK
Posts: 61

Nice little 1 man job in garage completed circa midnight 1c garage axle stands and high lift trolley jack. Still happy today. Loan diff quiet no backlash and no leaks ๐Ÿ˜ƒ๐Ÿ‘

Spot the difference!


 3.0 SDV6 HSE L494

Post #593636 Wed Jan 22 2020 2:06pm
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naks



Member Since: 15 Jul 2016
Location: Stellenbosch
Posts: 1108

South Africa 2013 Range Rover Sport Supercharged Siberian Silver

well done! Thumbs Up --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport Supercharged V8 HSE Dynamic



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

Post #593682 Thu Jan 23 2020 5:43am
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Stuff



Member Since: 29 Jan 2016
Location: In between cradle and grave
Posts: 11

I have this problem. MY16 car with 65,000 km spewing oil over the rear diff and exhaust. Transmission whine and occasional hard shunt when driving. I stopped driving the car immediately I spotted the leak.

Post #596961 Tue Mar 24 2020 5:46pm
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naks



Member Since: 15 Jul 2016
Location: Stellenbosch
Posts: 1108

South Africa 2013 Range Rover Sport Supercharged Siberian Silver

sjoe, that sounds like quite a bad leak - mine only leaked a couple of teaspoons of oil and that was enough to warrant the diff being replaced. Shocked --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport Supercharged V8 HSE Dynamic



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

Post #596996 Wed Mar 25 2020 1:28pm
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Stuff



Member Since: 29 Jan 2016
Location: In between cradle and grave
Posts: 11

Quote:
sounds like quite a bad leak

It's dripping wet all over, and has sprayed onto the off-side exhaust branch behind the diff (left-hand drive car). I guess the pattern implies a failure of a particular seal but that's beyond my knowledge. I have put a drip tray under the diff - I noticed the leak because a couple of table spoons of oil had dripped onto a tiled garage floor that I washed last week. I referred the car to the dealer earlier this year because of an intermittent violent transmission shunt when cruising. They reprogrammed the gearbox and returned the car - "no fault found". It's disappointing but it's normally a very good dealer, with a good principal and diligent workshop manager. Perhaps the diff was dry when they inspected the car.

The dealer is closed indefinitely under the coronavirus "lockdown", and the diff may be empty by the time the car reaches the dealer, but perhaps not if the oil is being ejected under pressure when the car is in motion. No matter, this car is going to the dealer on a trailer.

I guess a new diff will be required. Does anyone have an idea how much a new diff costs including fitting, before any goodwill contribution? It's a MY16 SDV8 Dynamic. I guess that LR will be quite hard-nosed whilst the global economy is tanking

Post #597020 Wed Mar 25 2020 8:28pm
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Tyrefitter



Member Since: 19 Jul 2015
Location: Bridlington East Yorkshire
Posts: 3675

United Kingdom 2013 Range Rover Sport SDV6 Autobiography Fuji White

Got mine fixed last year under the approved warranty,they noticed the leak during a service & got me back in with a couple of weeks to get it fixed. Andy.
21 Ford Ranger
Gone but not forgotten
Focus RS Red Edition
2015 RRS AB Fuji.
2014 RRS SC Santorini
2016 VW Amarok
2014 RRS AB Fuji
2012 RRS Red Edition Fuji
2015 Nissan Navara
2012 RRS SE Santorini
2008 RRS White
2007 RRS Santorino

Post #597033 Thu Mar 26 2020 6:52am
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