Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150
Front and rear diffs leak
Hi all
I’ve spotted a slight leak on front and rear diffs. Dear one is a seal. Front I’m not sure.
Have taken garage and been informed that “diff sweat” or “LR sweat” is the term for it and it’s common and fine.
It’s not bad enough to drip on the floor. It’s just damp.
I’m not sure if it wasn’t already there or if it’s recent. But I’m sure I’d have spotted it last year when I was under the car a lot.
I did replace the diff oils and the breather cap upgrade last August
Wondering if anyone can advise please
I repositioned the breather cap and checked it has an open airway. Blowing in it with my mouth over the neck it is very very difficult. Not sure if that’s normal? Or if it should allow air through easily?
TiaDisco 3 SE Manual 2005 V6 2.7
Buckley, North Wales
3rd Apr 2022 9:43 am
aja4x4
Member Since: 14 Apr 2019
Location: Westbury
Posts: 2463
If you have checked the breathers, the diffs could be over filled.
remove the oil filler plug oil should not run out, these diffs are filled with a set quantity not until oil runs out of the filler like most carsAndrew
D3 2.7tdv6 2005
D4 3.0 SDV6 Commercial died and gone to LR heaven
D5 3.0 SDV6 HSE
3rd Apr 2022 1:39 pm
cmb2020
Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150
Oh right! I was going by video that said fill til spill
ThanksDisco 3 SE Manual 2005 V6 2.7
Buckley, North Wales
3rd Apr 2022 1:41 pm
rrhool
Member Since: 28 Aug 2014
Location: Norfolk
Posts: 4507
I think you'll be fine. I've measured the oil in and out of the diffs, and the correct volume is millilitres different to 'fill to spill'. I don't believe it'll make any difference.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
3rd Apr 2022 1:45 pm
cmb2020
Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150
Is it fair to say this “diff sweat” is ok to ignore providing no drips and twice yearly top up / check?Disco 3 SE Manual 2005 V6 2.7
Buckley, North Wales
3rd Apr 2022 1:48 pm
rrhool
Member Since: 28 Aug 2014
Location: Norfolk
Posts: 4507
Unless it's obviously dripping, a little seepage is not harmful.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
3rd Apr 2022 2:46 pm
Globetrotter448
Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1812
For the small amount of oil required, change it at each oil change.
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