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D3 2.7 Auto Front Differential
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Marcus D3
 


Member Since: 09 Mar 2018
Location: Bristol
Posts: 5

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3
D3 2.7 Auto Front Differential

Hi looking for any advice, I have just removed the auto gearbox to get it and the torque converter overhauled (rev counter fluctuating). At the same time checked the input shafts into the differentials, the rear has no rotational slack, whereas the front has a lot of slack when alternating the rotation.

Can someone let me know if this is normal on the front diff, before I get carried away and pull it out/replace?  
Post #195247910th Jun 2018 1:19 pm
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rrhool
 


Member Since: 28 Aug 2014
Location: Norfolk
Posts: 4400

United Kingdom 2007 Discovery 3 TDV6 SE Manual Zermatt SilverDiscovery 3

It's difficult to tell, as you are feeling the slack in the front driveshafts as well. If you drain the oil, you'll soon see if the diff is in trouble or not. I'm doing a front diff on mine at the moment.

There are loads of diff related threads, here is a link to my current thread. Thumbs Up

https://www.disco3.co.uk/forum/front-diff-...72387.html Richard


D3 SE 2007. Triumph 2.5Pi 1973. Ferguson TEA20 1948.



Discovery 2 4.0 ES 2001- Gone
Discovery 1 300Tdi ES '95 - Gone
Range Rover Classic '79 - Gone  
Post #195251610th Jun 2018 3:35 pm
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Marcus D3
 


Member Since: 09 Mar 2018
Location: Bristol
Posts: 5

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Thanks rrhool, going to drop the oil this evening thanks for the reply  
Post #195252410th Jun 2018 4:34 pm
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Marcus D3
 


Member Since: 09 Mar 2018
Location: Bristol
Posts: 5

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Any doubt has gone, nearly 10mm of metallic debris on the plug and about 50% quanitity of oil.


  
Post #195254710th Jun 2018 6:22 pm
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rrhool
 


Member Since: 28 Aug 2014
Location: Norfolk
Posts: 4400

United Kingdom 2007 Discovery 3 TDV6 SE Manual Zermatt SilverDiscovery 3

That probably explains it. If you are looking for a new diff, don't forget the ratios are different for auto/manual/V8. Thumbs Up Richard


D3 SE 2007. Triumph 2.5Pi 1973. Ferguson TEA20 1948.



Discovery 2 4.0 ES 2001- Gone
Discovery 1 300Tdi ES '95 - Gone
Range Rover Classic '79 - Gone  
Post #195255110th Jun 2018 6:28 pm
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Marcus D3
 


Member Since: 09 Mar 2018
Location: Bristol
Posts: 5

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

👍  
Post #195255410th Jun 2018 6:43 pm
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