Home > Maintenance & Mods (L322) > Diffs, transfer case & tranny oil service |
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lschwarcz Member Since: 18 May 2019 Location: Hillsboro, OR, USA Posts: 273 |
Hi Everyone,
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7th Sep 2023 5:22pm |
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will308f Member Since: 19 Apr 2022 Location: plymouth Posts: 333 |
Great write up…….I got my diffs and transfer box to do soon |
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8th Sep 2023 2:37am |
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garyRR Member Since: 13 Mar 2021 Location: Hampshire Posts: 1461 |
Diffs: https://www.fullfatrr.com/forum/topic67275.html
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8th Sep 2023 7:07am |
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lschwarcz Member Since: 18 May 2019 Location: Hillsboro, OR, USA Posts: 273 |
Hi Gary,
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8th Sep 2023 3:05pm |
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lschwarcz Member Since: 18 May 2019 Location: Hillsboro, OR, USA Posts: 273 |
In my car the front and rear diffs use different fluids. The rear is the electronic locking unit and takes a special fluid.
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8th Sep 2023 3:45pm |
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garyRR Member Since: 13 Mar 2021 Location: Hampshire Posts: 1461 |
Ah, one of the lucky few with an active rear diff. So yes, one extra clean. 2015 Range Rover Autobiography 4.4 SDV8 |
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8th Sep 2023 3:46pm |
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lschwarcz Member Since: 18 May 2019 Location: Hillsboro, OR, USA Posts: 273 |
One more question, what degreaser do you like? I've used a few but mostly use Simple Green. I believe it should be available in the UK but I'm not sure.
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8th Sep 2023 4:19pm |
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garyRR Member Since: 13 Mar 2021 Location: Hampshire Posts: 1461 |
I buy a big 5L container of it from Screwfix (I assume Harbor Freight is your equivalent) for £12. It's just called "No Nonsense Heavy Duty Degreaser". 2015 Range Rover Autobiography 4.4 SDV8 |
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8th Sep 2023 4:21pm |
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lschwarcz Member Since: 18 May 2019 Location: Hillsboro, OR, USA Posts: 273 |
UPDATE:
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8th Sep 2023 4:27pm |
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garyRR Member Since: 13 Mar 2021 Location: Hampshire Posts: 1461 |
https://www.screwfix.com/p/no-nonsense-hea...5ltr/88668
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8th Sep 2023 4:35pm |
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jaguar3 Member Since: 25 Sep 2022 Location: Estonia Posts: 193 |
I use 100ml syringe for diffs/transfer fluids. Buy from animal clinic, cost some cents only. Very easy to add exact amount of oil, up to ml.
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11th Sep 2023 2:53pm |
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lschwarcz Member Since: 18 May 2019 Location: Hillsboro, OR, USA Posts: 273 |
Jaguar3, what a great idea! I have a Mityvac on order but I even have some of those syringes here for small fluid dispensing!
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12th Sep 2023 4:53pm |
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lschwarcz Member Since: 18 May 2019 Location: Hillsboro, OR, USA Posts: 273 |
UPDATE: No, the fill hole will not work as the right level to fill the rear differential. I just drained and measured it and had about 48 US ounces. About 3 ounces too much. Would that amount cause any issues? I don't know but I now have the correct 44.8 ounces.
Hi Gary, I finally got around to draining the front diff into a clean container until it stopped dripping and then measured the amount that drained. The specs want 25.6 US ounces (slightly more than a British Imperial ounce). When I drained I got 24 US ounces. I'm guessing that since the fluid was cold (about 60 degrees F) that some was left in the diff and when I poured into my measuring cup some was left in the drain pan accounting for the loss. I topped off my measuring cup to 25.6 (had to estimate the 0.6) and refilled using a 100 ml syringe as suggested by jaguar3. Filling with all that drained plus my approximate 1.6 US ounce additional did not cause any overflow from the fill hole. So it appears that in the front differential adding until it flows out the fill hole ended up being the correct amount... or so close to the correct amount that it likely would not have made a difference. Before I go to the effort of doing the transfer box and rear diff do you think they would be the same? Maybe Land Rover did it right like the US manufactures of cars where you fill until it overflows and that's the correct amount. Any thoughts? Thanks again, Larry. 2009 Range Rover L322 Autobiography Bournville/Ivory Save lives, give blood. |
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19th Sep 2023 5:47pm |
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garyRR Member Since: 13 Mar 2021 Location: Hampshire Posts: 1461 |
Both diffs and the transfer box are specified as exact fill.
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19th Sep 2023 9:36pm |
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