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rear Diff Needs replacement ... Safe to drive?
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philthejono
 


Member Since: 01 Aug 2007
Location: Rugby
Posts: 85

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4
rear Diff Needs replacement ... Safe to drive?

I am waiting for LR to get stock of rear diffs as mine has the 'noise'. However, I am off to the Alps soon and unlikely to get the car in to the garage beforehand (it will be doing a fair few miles before the big run).

So ..... I am told that there is no problem driving with the problem, but just after any knowledge of whether the known whining sound is something that will eventually / possibly result in me being stuck on a French autoroute awaiting a tow truck. 11 HSE Santorini Black  
Post #62215416th Mar 2010 11:46 pm
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DG
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Member Since: 12 Dec 2005
Location: The Gaff
Posts: 50949

Wales 

I've had a couple of rear diff replacements ...you will be fine unless the sound becomes noticably worse or turns into a grinding noise. If it fails and you don't notice sound changes, then another clear sign of trouble is molten metal running into the gutter from underneath the vehicle Wink . Get recovered at this point Whistle

In truth you can run for some considerable time, my first was replaced 5 months after the first whine appeared...the second 3 months after first whine. 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021  
Post #62215916th Mar 2010 11:58 pm
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Ent
 


Member Since: 12 Oct 2007
Location: In the cack
Posts: 6485

Iraq 2011 Discovery 4 3.0 SDV6 XS Auto Fuji WhiteDiscovery 4

Just had both front and rear diffs replaced under warranty, they where both making a low pitch rumble for about 20,000 mile before LR conceded and agreed that they had failed. Club Exped trailer
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Last edited by Ent on 17th Mar 2010 10:41 am. Edited 1 time in total 
Post #62216417th Mar 2010 12:07 am
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philthejono
 


Member Since: 01 Aug 2007
Location: Rugby
Posts: 85

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

I'll put a camera under the car and keep an eye out for hot metal dripping onto the road as i race down the Autoroute D'Anglais. Perhaps if I put a mold under the car I could make some statutes? 11 HSE Santorini Black  
Post #62223017th Mar 2010 10:33 am
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jjvd21
 


Member Since: 16 Jul 2007
Location: Chicago
Posts: 1070

United States 2005 LR3 4.4 V8 HSE Auto Java BlackLR3

philthejono, if you could get a hold of the moulds used for the pewter D3 statues you could make a few yourself. Probably sell them for $$$$$$$$ given the authenticity. 16 D4 Landmark
05 D3 HSE V8
THE original D4 spotter  
Post #62228717th Mar 2010 12:41 pm
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CG
 


Member Since: 13 Nov 2007
Location: In the middle somewhere
Posts: 3745

England 2006 Discovery 3 TDV6 S Manual Zermatt SilverDiscovery 3

I ran my rear diff for about 3-4 months once I noticed the noise before being replaced, On my motor the noise did not get any worse - I guess if it does then stop using it. 
"I know that you believe that you understood what you think I said, but I am not sure you realize that what you read is not what I meant"  
Post #62234617th Mar 2010 2:18 pm
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