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ChrisDefender

Member Since: 29 Oct 2015
Location: Midlands
Posts: 454

Preferred Rear Dif Oil

Hi all,

As per the title, is there a general favourite oil used for the rear dif? I have tried a search on here but cannot find a recent definitive answer.

Its for a 2.4 90HT.

I am leaning towards this one?
Motul Gear 300 75W-90 Fully Synthetic Car Gearbox & Diff Oil
https://www.opieoils.co.uk/p-899-motul-gea...Case%20Oil

Many thanks in advance.

17th May 2021 4:14pm

Bluest

Member Since: 23 Apr 2016
Location: Lancashire
Posts: 4209

2007 Defender 110 Puma 2.4 XS CSW Java Black

Motul Gear 300 is a top of the range synthetic gear oil. It is fine for the diff, but I would say it is overkill and very expensive. I use Motul Gear HD in my diffs and they haven't exploded yet

2007 110 TDCi Station Wagon XS

17th May 2021 4:24pm

ChrisDefender

Member Since: 29 Oct 2015
Location: Midlands
Posts: 454

Hi mate,

OK, thank you, good to know.

17th May 2021 4:34pm

Ianh

Member Since: 17 Sep 2018
Location: Essex
Posts: 2004

I use Castrol Axle 'EPX' for the Diffs..
i would say most diff oils from a decent manufacturer will perform well in normal use. So the best way to care for diffs is to fit magnetic drain plugs as they are not expensive, check breathers are free and levels are maintained, check after going through deep water (for water ingress) and do regular oil changes rather than going for the most expensive diff oil.

Sticky on gearbox engine and diff oils for 2.4 and 2.2 https://www.defender2.net/forum/topic8707.html

17th May 2021 5:10pm

ChrisDefender

Member Since: 29 Oct 2015
Location: Midlands
Posts: 454

Many thanks.

17th May 2021 6:18pm

Gloucesternige

Member Since: 17 Jan 2020
Location: In the garage
Posts: 114

2011 Defender 90 Puma 2.4 HT Keswick Green

I am in a bit of a quandry.. my 2011 Puma calls for synthetic oils in Diff and TC, but i have Ashlocker and ATB's in mine. Ashcroft recommend mineral oils.

So, what is the best and safest mineral oil to use in the axles and TC? I have heard of GL5 causing issues in older designs? Nige

Check out my You Tube channel
https://www.youtube.com/c/Defender90KeswickNigelsLandRoverchannel

3rd Aug 2021 1:06pm

Co1

Member Since: 19 Aug 2018
Location: North Yorkshire
Posts: 3675

I think you can use either, but with slightly different consistencies. From their website: “ either mineral EP80/90 or synthetic EP75W90”.

3rd Aug 2021 1:31pm

LR90XS2011

Member Since: 05 Apr 2011
Location: bickenhill
Posts: 3641

2011 Defender 90 Puma 2.4 XS CSW Galway Green

I spoke to Ashcroft as I also have ATBs they said Castrol Axle EPX 80W-90 Mineral Car Gearbox Oil GL5 would be just fine DEFENDER 90 TDCI XS,

I hope everyone is well and your land rovers make you happy

3rd Aug 2021 7:53pm

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