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macduff

Member Since: 04 Nov 2012
Location: NE
Posts: 119

Gearbox oil change done-almost buttery change now !

After what seems like an eternity (well a couple of months) waiting for a gap in the weather I've changed my Puma 110's gearbox oil. I had previously done both diffs and xfer case but held back on the gearbox due to the fiddly aspect of refilling. I opted for some synthetic Motul 75w90 gear oil (opie oils listed) and pumped it in using a draper oil syringe which handily pumped better than it sucked.
The old oil which was suspected of being oem @18.5Kmiles old came out coloured like dark treacle (though not as thick) and had a weird purple tinge when being poured into my waste bottles. No sign of any foreign bodies which was nice as it always felt a bit rough changing gear previously.
Gear changes after the swap almost seem buttery smooth now (relatively speaking) and I'm sure there's a lot less gear noise now though that could be a placebo effect.
Gawd only know what the oil would come out like if sticking with factory service intervals.
PS mine a 2008 has allen head fill and drain plugs not torx as per sticky on oil changes. 2023 110 P400e

2nd Apr 2013 3:38pm

chadjizz

Member Since: 25 Apr 2012
Location: sussex
Posts: 559

2013 Defender 130 Puma 2.2 HCPU Orkney Grey

im tempted to do mine. its covered 4000 miles now and 2nd and 5th can be quite stiff on cold mornings. i have heard horror stories of the factory underfilling gear boxes and diffs when the leave for showroom/customer.

2nd Apr 2013 8:41pm

macduff

Member Since: 04 Nov 2012
Location: NE
Posts: 119

Never been a fan of fill and forget strategy most manufacturers have on transmissions these days so even at 4k miles I'd think it was a good thing to do. I just crawled under mine and there was plenty of space to wiggle the Syringe pumps filler tube into the gearbox fill hole, though if your a little uncertain do a dry run with the filler hole before draining the oil out.
I measured just over 2 litres drained out of mine so probably about the 2.2l quoted for a refill once spillage was taken into account. 2023 110 P400e

2nd Apr 2013 9:32pm

rossy

Member Since: 29 Nov 2010
Location: Co. Roscommon
Posts: 1296

2011 Defender 110 Puma 2.4 CSW Stornoway Grey

Well done Macduff ! Its a very satisfying job to have completed knowing the contortionist skills involved isn't it ?

I do mine annually now. When you look at how hard those couple of litres of oil have to work in a Defender Landrover's recommended intervals are nonsense. The 'box will have disintegrated long before 200k !

2nd Apr 2013 9:47pm

macduff

Member Since: 04 Nov 2012
Location: NE
Posts: 119

it is. 2023 110 P400e

3rd Apr 2013 12:52pm

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