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Member Since: 21 Mar 2014
Location: Suffolk
Posts: 2971

United Kingdom 2011 Defender 110 Puma 2.4 HT Corris Grey
Question about the oil I just drained from my gearbox
Serviced my Defender this afternoon, which is the first time I've ever serviced something that belongs to me.
When I drained the engine and transfer box oils, they were exactly as I expected they would be. Engine oil looked like used engine oil, it was black but not smelly, didn't have anything untoward in it and I put about the same amount in as I took out (6l in total, and I know it should be 7 but it's half way up the dipstick at 6). Transfer box oil had a few bits of metal on the drain plug, correct quantity and consistency and was still a bit transparent yellow-y colour.

The gearbox oil was much runnier than what I put in, was black with hints of red (I've never seen red oil before), left a load of shiny bits in my drain pan and I drained quite a bit more out than I put in. I refilled it with 2.2l, and I'd say got about 0.5l more than that out of it judging by the levels in the bottles.

Any cause for concern? What are the symptoms of an overfilled gearbox? Thanks to all of you with more experience of these things than me! I'm used to just sending oil samples off for analysis but that seems a bit overkill for a Land Rover Very Happy
Post #642261 6th Aug 2017 5:28pm
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discomog



Member Since: 09 May 2015
Location: Notts/Lincs Border
Posts: 2532

United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Santorini Black
I guess by the colour (red) it is an automatic transmission fluid, something like ATF Dexron III. I have a Morgan Plus 8 (3.5 litre EFI land Rover engine) fitted with a LT77 gearbox and although it is manual the recommended oil is ATF Dexron III. Sounds like someone previously assumed it was a LT77 gearbox fitted to your Puma. Defender 90XS SW
Mini Countryman Cooper S
Morgan Plus 8
Post #642267 6th Aug 2017 6:53pm
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LR90XS2011



Member Since: 05 Apr 2011
Location: bickenhill
Posts: 3650

United Kingdom 2011 Defender 90 Puma 2.4 XS CSW Galway Green
the factory oil on my 2011 was red and fairly thin when I drained it at 10k miles cant explain the black, metal bits are probably a result of lots of crunchy gear changing. DEFENDER 90 TDCI XS,

I hope everyone is well and your land rovers make you happy
Post #642274 6th Aug 2017 7:35pm
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