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Discovery 3 front 2.7 2005 Manual Gearbox Front Diff Faulty

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MAC123

Member Since: 30 May 2021
Location: Knutsford
Posts: 23

Discovery 3 front 2.7 2005 Manual Gearbox Front Diff Faulty

I have lost drive from my front Diff on my Discovery 3 2.7 2005 and can hear a really loud grinding sound inside the diff. I have been looking on line at a few second hand ones , and need to know , can I put a Diff from a Automatic Discovery on mine as mine is a manual . Also a lot of Diffs are being advertised with different ratios , Do I have to find out the ratio of my Diff and get a exact match or will any ratio be ok. I am in Cheshire if any one has a good second hand Diff that will be ok for mine for sale please contact me p I can collect . TIA for any help

5th Aug 2021 10:01 pm

motorworks

Member Since: 14 Nov 2019
Location: Usk
Posts: 401

2005 Discovery 3 TDV6 HSE Auto Tonga Green

You need same ratio as currently fitted. I think 3.07 is correct for manual transmission. Changing front diff is an awkward job, especially if you have not done one before. Chris

5th Aug 2021 10:08 pm

MAC123

Member Since: 30 May 2021
Location: Knutsford
Posts: 23

Thanks for the reply motorworks

5th Aug 2021 10:48 pm

aja4x4

Member Since: 14 Apr 2019
Location: Westbury
Posts: 2459

2005 Discovery 3 TDV6 SE Auto Zambezi Silver

Are you sure its not a driveshaft? Andrew

D3 2.7tdv6 2005
D4 3.0 SDV6 Commercial died and gone to LR heaven
D5 3.0 SDV6 HSE

6th Aug 2021 6:15 am

MAC123

Member Since: 30 May 2021
Location: Knutsford
Posts: 23

Thanks for the reply aja4x4 , Already replaced the driveshaft and that spins when I put it in gear and put the Discovery on Axle stands but the front driveshafts don t move , and can hear the diff grinding inside and loud rattle coming from the Diff .

6th Aug 2021 4:21 pm

MAC123

Member Since: 30 May 2021
Location: Knutsford
Posts: 23

Sorry ment replaced front prop shaft and that spins

6th Aug 2021 4:24 pm

rrhool

Member Since: 28 Aug 2014
Location: Norfolk
Posts: 4405

2007 Discovery 3 TDV6 SE Manual Zermatt Silver

I changed a front diff on my manual D3, it was noisy, not failed. It's a reasonably easy job on axle stands. I got a replacement from a breakers, delivered on a pallet. 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

6th Aug 2021 4:55 pm

aja4x4

Member Since: 14 Apr 2019
Location: Westbury
Posts: 2459

I would still make sure a driveshaft hasnt popped out of the splines Andrew

D3 2.7tdv6 2005
D4 3.0 SDV6 Commercial died and gone to LR heaven
D5 3.0 SDV6 HSE

6th Aug 2021 5:58 pm

MAC123

Member Since: 30 May 2021
Location: Knutsford
Posts: 23

Thanks for the replies aja 4x4 and rrhool . aja4x4 I have just taken off /checked both front drive shafts they are both ok and were properly located in the diff . Think I need a new diff . It does not look too difficult to take out and fit a new one.

6th Aug 2021 6:08 pm

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