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Jhollow



Member Since: 27 Apr 2022
Location: Ontario
Posts: 81

Canada 
Oil Pan Drain Hole Stripped and More Saga
So I knew I had a problem when I was removing the oil drain plug. This was my first oil change since getting the 90 last year. It's a 2006. I had resistance all the way out. I cleaned up the hole and it looked OK but when I tried putting the plug back in it just kept turning. Withdrew the plug and it was completely stripped (the hole).

I did a search but couldn't find something specific to the oil drain plug hole.

The drain plug hole is recessed so I'm not sure if I can just retap the hole to M18? Current plug is M16x1.5. Should I use a time sert instead? I don't know how much metal I have around the hole so not sure how to approach this.

Do I need to remove the oil pan? If so is this a big job? I've removed oil pans from other vehicles but the 90 is new to me work wise.

Appreciate any assistance and guidance on this. Thanks. 2006 90 originally registered in Italy


Last edited by Jhollow on 15th Oct 2023 11:56am. Edited 1 time in total
Post #1010412 7th Oct 2023 4:59pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1572

Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
I have an oil drain plug repair kit for doing these as it’s pretty common on them(size I’d have to check). Your auto parts place will likely keep them it’ll come with a tap and six plugs in it. You can stick some grease on The tap to minimise chips. Sump off isn’t an awful job. You could repair the threads and then drop it down to clean it off if you feel the need. Plenty of material around the plug.
Post #1010418 7th Oct 2023 6:07pm
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Jhollow



Member Since: 27 Apr 2022
Location: Ontario
Posts: 81

Canada 
Thanks Nick. Can you tell me which drain plug repair kit you have? Just so I know what I'm looking for.

Is there anything special to know when removing the sump pan? When I've done other vehicles I just remove a whole lot of bolts, pull it off, check that the oil pickup is clean, use a new gasket with some permatex gasket sealer and bolt back into place. Is that pretty much the same with the defender? 2006 90 originally registered in Italy
Post #1010421 7th Oct 2023 6:20pm
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Notyalc



Member Since: 27 Jul 2018
Location: Northumberland
Posts: 144

United Kingdom 2003 Defender 90 Td5 HT Epsom Green
Don’t need to take the sump off.

I tapped mine out last year an put a taper bush in that the new plug screws in and out of.

Threads in Aluminium that you screw in and out of frequently are not a good idea…
Post #1010423 7th Oct 2023 6:26pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5430

2006 Defender 110 Td5 USW Zermatt Silver
Once repaired fit a Femco oil drain plug. That way you don’t have the trouble again.

https://www.femco.com/oil-drain-plug/

Fitted them years ago to mine.
Post #1010425 7th Oct 2023 6:35pm
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Jhollow



Member Since: 27 Apr 2022
Location: Ontario
Posts: 81

Canada 
Thanks. What do you mean by a taper bush?

I did find some drain plug repair kits on Amazon that provide an M17 tap with plugs and washers. 2006 90 originally registered in Italy
Post #1010426 7th Oct 2023 6:36pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1572

Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
Yeah just two dowels for the crank seal. Personally I’ve not needed to remove it to fix the plug issue. A bit of oil flush through it before you put the new stuff in and it’ll still be dribbling out while you do it.

It’d be Monday before I could tell you, I think it’s this https://www.sealey.co.uk/product/563720615...-set---m17 although I have a big set with different sizes.


Last edited by NickMc on 7th Oct 2023 6:43pm. Edited 1 time in total
Post #1010427 7th Oct 2023 6:40pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2064

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
landy andy wrote:
Once repaired fit a Femco oil drain plug. That way you don’t have the trouble again.

https://www.femco.com/oil-drain-plug/

Fitted them years ago to mine.


Absolutely the right thing to do once repaired 👍
Post #1010428 7th Oct 2023 6:42pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1572

Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
Jhollow wrote:
Thanks. What do you mean by a taper bush?

I did find some drain plug repair kits on Amazon that provide an M17 tap with plugs and washers.



Yeah that’s the type works perfectly well on the td5.
Post #1010430 7th Oct 2023 6:45pm
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Jhollow



Member Since: 27 Apr 2022
Location: Ontario
Posts: 81

Canada 
landy andy wrote:
Once repaired fit a Femco oil drain plug. That way you don’t have the trouble again.

https://www.femco.com/oil-drain-plug/

Fitted them years ago to mine.


So I looked and they do not have an M17x1.5 drain plug. Only M18x1.5. 2006 90 originally registered in Italy
Post #1010431 7th Oct 2023 6:55pm
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Jhollow



Member Since: 27 Apr 2022
Location: Ontario
Posts: 81

Canada 
Just thought I would follow up on this. Received the drain plug repair kit, retapped the hole to M17x1.5 and installed a new drain plug and washer that were part of the kit. The plug end was small enough that it fit within the recess of the plug hole. Topped up the oil and fingers crossed no leaks. When I finished the tap I put the vacuum to the hole very briefly and then poured in a litre of oil to hopefully wash out any bits I might have missed.

Thanks for everyones quick replies and confirming I could do this myself. Stress level has dropped considerably. 2006 90 originally registered in Italy
Post #1010646 9th Oct 2023 4:43pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1572

Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
Glad to hear you got it sorted it sounds like a much worse than job than it actually is Thumbs Up
Post #1010678 9th Oct 2023 8:43pm
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

United Kingdom 
landy andy wrote:
Once repaired fit a Femco oil drain plug. That way you don’t have the trouble again.

https://www.femco.com/oil-drain-plug/

Fitted them years ago to mine.


Used to be a complete convert to these drain plugs, until it got caught on a rock and sheared off... It made quite the mess. If you use these easy drain plugs then please pack the original into the bottom of you cubby box just in case you are away from home and need it.

Anyway... They are great for clean oil changes though.
Post #1010682 9th Oct 2023 9:06pm
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410

United Kingdom 
Jhollow wrote:
Just thought I would follow up on this. Received the drain plug repair kit, retapped the hole to M17x1.5 and installed a new drain plug and washer that were part of the kit. The plug end was small enough that it fit within the recess of the plug hole. Topped up the oil and fingers crossed no leaks. When I finished the tap I put the vacuum to the hole very briefly and then poured in a litre of oil to hopefully wash out any bits I might have missed.

Thanks for everyones quick replies and confirming I could do this myself. Stress level has dropped considerably.


Great news Thumbs Up Just in time for winter too.
Post #1010683 9th Oct 2023 9:07pm
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Jhollow



Member Since: 27 Apr 2022
Location: Ontario
Posts: 81

Canada 
So after installing a new drain plug in I attempted to remove the oil filter. I didn't know there was a special tool for this so tried all sorts of things, including a chain strap which just ended up punching a hole in the side of the filter. So I brought it to a Land Rover specialist and he had the special tool and was able to remove the old filter and install a new one. Note to self to get special tool.

My problem now is that he over filled the engine by about a litre or so of oil. Is there a way of extracting a litre of oil without having to take the plug out the bottom? I would just like to avoid the mess but if that is the only way so be it. I thought I would ask the collective before proceeding. Thanks again. 2006 90 originally registered in Italy
Post #1011291 15th Oct 2023 12:02pm
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