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Bluest



Member Since: 23 Apr 2016
Location: Lancashire
Posts: 4303

United Kingdom 2007 Defender 110 Puma 2.4 XS CSW Java Black
MT82 fill plug stuck
This might be a bit of a rant, but I'm sat here p'd off with skinned knuckles and the job stopped. Any assistance or just moral support is appreciated. Had my gearbox oil changed by a so-called specialist last time. Now the fill plug is so tight it's going to strip the T50 torx rather than loosen. Every time I have any contact with a professional workshop I end up with problems, maybe just my bad luck.

Anyway, how am I supposed to open the fill plug? I can feel the Torx splines starting to strip. Its possible to just about grip the outside of the head of the plug with some mole grips, but that's barely any room to turn them and they are chewing up the plug in any case. 2007 110 TDCi Station Wagon XS
Post #1072278 27th Jul 2025 2:35pm
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Johan_B



Member Since: 20 Sep 2024
Location: Gothenburg
Posts: 117

Sweden 2007 Defender 110 Puma 2.4 CSW Tonga Green
Are you sure it is a T50 torx? Mine was an 8 mm allen key. But prior to doing the job I read that there was confusion about it.
Post #1072280 27th Jul 2025 2:41pm
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Bluest



Member Since: 23 Apr 2016
Location: Lancashire
Posts: 4303

United Kingdom 2007 Defender 110 Puma 2.4 XS CSW Java Black
Yes, my original was allen head and I bought a genuine replacement maybe 7 or 8 years ago which was T50 torx. My drain plug is still allen head. 2007 110 TDCi Station Wagon XS
Post #1072281 27th Jul 2025 2:43pm
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jbcollier



Member Since: 29 Apr 2024
Location: Edmonton AB
Posts: 256

Canada 2009 Defender 110 Puma 2.4 SW Alpine White
Smack the old plug with a hammer to shock the threads.

Buy a new plug and braze on a 1/2" nut (3/4"/19mm across the flats). No trouble next time.
Post #1072285 27th Jul 2025 3:03pm
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Bluest



Member Since: 23 Apr 2016
Location: Lancashire
Posts: 4303

United Kingdom 2007 Defender 110 Puma 2.4 XS CSW Java Black
I'll give it a try, but I think it's past being shocked loosen, I can feel the splines starting to give.

I've the X-Eng one to replace it which a 13mm spanner I think. 2007 110 TDCi Station Wagon XS
Post #1072286 27th Jul 2025 3:11pm
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jbcollier



Member Since: 29 Apr 2024
Location: Edmonton AB
Posts: 256

Canada 2009 Defender 110 Puma 2.4 SW Alpine White
Take a sharp center punch and peen all around the centre of the plug. This can "tighten" female torx fitting.

Last, but not least, heat the plug and let it cool. This can also loosen the grip of the threads.
Post #1072288 27th Jul 2025 3:18pm
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Ianh



Member Since: 17 Sep 2018
Location: Essex
Posts: 2433

United Kingdom 
If it’s well and truly stuck and above solutions don't work or you want to do oil change urgently you could try using the “ not the fill plug” as an alternative fill plug.

PS don’t confuse with adjacent fitting as that's a pivot bolt and you must not touch it

See https://www.defender2.net/forum/topic83407...=fill+plug

Instead of mole grips would stilsons work better ?
Post #1072294 27th Jul 2025 4:06pm
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Cragster69



Member Since: 15 Jun 2021
Location: Scotland
Posts: 237

Scotland 2007 Defender 110 Puma 2.4 CSW Cairns Blue
Post #1072299 27th Jul 2025 5:28pm
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Bluest



Member Since: 23 Apr 2016
Location: Lancashire
Posts: 4303

United Kingdom 2007 Defender 110 Puma 2.4 XS CSW Java Black
Thanks for all the replies. I walked away, had a nice brew and a biscuits to reflect on the situation. This is always a wise tactic in these situations.

Whilst eating a triple chocolate cookie from Aldi, I decided I had nothing to lose as far as saving the plug was concerned so it really didn't matter if it fully rounded. So, I gave it another try and it duly stripped with not much effort. I then hammered in the biggest hex bit that would fit in the mangled hole. This did the job with more than enough purchase to turnnthe plug out.

Just need to wait for X-Eng ones to come and job a good 'en.

Cheers everyone Thumbs Up 2007 110 TDCi Station Wagon XS
Post #1072305 27th Jul 2025 6:50pm
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Ianh



Member Since: 17 Sep 2018
Location: Essex
Posts: 2433

United Kingdom 
I have x eng plugs on the drain and fill and they seal well. They are magnetic and even though the MT 82 has a magnet fitted and the fill plug is above the oil level its always handy to have another magnet, especially on the drain plug as you can see any tell tale metal particles on removal.

The main reason I purchased them is they are pretty cheap ( at £7.50 each they are cheaper than the LR part LR005008 ! ) and have a hex head which makes things easier on removal and torquing up with a torque wrench and six pint 13mm socket.
Post #1072376 28th Jul 2025 7:36pm
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