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D3 Drive train
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Trucker Joe
 


Member Since: 25 Jun 2014
Location: Northampton
Posts: 177

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4
D3 Drive train

Hopeing you guys in the know can help me out again
My brothers D3 05my has a very bad whinging-gumbling on deceleration on acceleration not really noticeable but as I say slowing down sounds really noisy all bearings ok all rubbers ok so leads me to think front or rear diff crown wheels or pinions also could the transfer box make this kind of noise or worse still something deeper down in the gearbox (auto) hopefully taking it to a friends garage Saturday or Sunday to put on the ramp soas we can run it up and have a listen underneath instead of hanging out the window trying to ascertain where the noise is coming from so if anyone’s had this problem or can give me some pointers I would be very great full
Regards George  
Post #195499918th Jun 2018 2:50 pm
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Aerialmark
 


Member Since: 21 Jun 2015
Location: Burnley (Where the M65 is cobbled)
Posts: 5192

England 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

When mine had a similar noise it was the front diff (It may not help you much) The happiest of people don't necessarily have the best of everything;
They just make the best of everything they have.  
Post #195507618th Jun 2018 5:24 pm
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rrhool
 


Member Since: 28 Aug 2014
Location: Norfolk
Posts: 4519

United Kingdom 2007 Discovery 3 TDV6 SE Manual Zermatt SilverDiscovery 3

Drain the oil from the front Diff, you'll soon know if it was that! I'm doing a diff swap at the moment.

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



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 #195509518th Jun 2018 6:13 pm
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Trucker Joe
 


Member Since: 25 Jun 2014
Location: Northampton
Posts: 177

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Thanks guys
If anyone can help shed more light on the problem feel free to put your thoughts forward 👍  
Post #195518018th Jun 2018 9:13 pm
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Trucker Joe
 


Member Since: 25 Jun 2014
Location: Northampton
Posts: 177

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Decided to look at the front diff Saturday as from older vehicles I’ve had that’s what it sounded like
So to start with drain and refill diff well rrhool you thought yours was bad my brother had nearly half as much again on his plug and the oil well that was like panning for silver but as it’s only making a noise on deceleration decided to clean refill and add some thickening agent and start looking fo another diff 🤔  
Post #195687425th Jun 2018 9:47 am
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