 | Home > Maintenance & Modifications > Teflon Tape on diff plugs |
 
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 1782  
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The plugs are tapered so should not need ptfe tape, plus you don’t want bits of the tape coming off and getting in the diff, especially on removal. If you do feel the need for sealant then loctite 248 in a gel stick or hylomar blue works well. If removing diff plugs think of replacing both fill and drain with magnetic ones. They are not expensive and if you look at pics on line of them they seem to have a loctite 248 like thread sealant on them. I.e https://gwynlewis4x4.co.uk/product/magneti...ve-gl1160/
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27th Mar 2022 1:52am |
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| big110 Member Since: 02 Nov 2016 Location: Sweeden Posts: 342 
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Awesome that’s a great idea. Always curious what bits are coming off the gears especially with the ARB air lockers!
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27th Mar 2022 2:17am |
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| Mossberg Member Since: 29 Feb 2020 Location: Lancs Posts: 552 
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I use tape on the plugs, though not sure if this is right or wrong. I know the plugs are a taper fit, so shouldn't need it, but I do it more as an antiseize than anything else.
I haven't really thought about the tape getting in the diff, but I do try to keep it away from the end. Ptfe tape is so soft I can't see it damaging gears, however if there are any oil ways then I suppose it could interfere with those if there was enough in it. I have fitted the magnetic plugs but I can't comment on how good they are as I have not done a fluid change since fitting. |
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27th Mar 2022 4:57am |
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| bear100 Member Since: 22 Mar 2010 Location: South Wales Posts: 1871  
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coming from the water industry i tend to use a sealing tape for tapered threads it helps seal them but also aids with removal stopping corrosion on the threads, Loctite 55 is well recommended
 2016 Range Rover Autobiography 4.4 TDV8
2010 110 XS Utility 2.4TDCI 2010 Range Rover Sport TDV8 (gone) 2007 Discovery HSE TDV6 (gone) 1993 110 csw 200 tdi (gone) 1994 90 HT 300 tdi (gone) 1994 discovery 300tdi (gone) 90 hybrid 3.5 v8 (gone) Range rover bobtail 3.5 v8 (gone) |
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27th Mar 2022 7:24am |
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| Screbble Member Since: 26 Apr 2015 Location: Lancashire Posts: 2056 
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I too use the smallest amount of PTFE tape.
Used to use it on large industrial motors and gearboxes when I was a apprentice - however that was a long time ago and knowledge and technology has advanced! |
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27th Mar 2022 8:52am |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3213  
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I also use a small amount of teflon tape. As with any other sealing material, there is always some risk of sealing material getting into the oil, but that will only happen if the plug is taken out, and the threads are not cleaned of the previous used sealing material before refitting the plug.
I actually prefer the teflon tape over some liquid thread sealing compounds as is far easier to clean the threads. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing 2012 90 CSW, 2.2TDCI, Santorini Black |
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27th Mar 2022 2:55pm |
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| Mo Murphy Member Since: 01 Jun 2008 Location: Letchworth Garden City, Herts Posts: 2085 
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I've never put anything on the diff plugs and I've never had any leaks from them.
Mo The Land Rover 90 - Many are called, few are chosen. |
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27th Mar 2022 3:32pm |
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| macfrank Member Since: 05 Nov 2015 Location: somewhere in the north Posts: 996 
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Magnetic drain plugs do come with some sort of sealant; what is it? https://www.lrdirect.com/tyb500120-plug-drain
I also used a bit of teflon tape on the filler plugs. Just to make sure. |
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27th Mar 2022 6:02pm |
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| miker Member Since: 13 Sep 2015 Location: Surrey Posts: 1758 
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Funnily enough, mine is currently leaking lightly and I plan to put some teflon tape on it in an attempt to fix it!
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27th Mar 2022 7:32pm |
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| jfh Member Since: 08 Jan 2014 Location: West Coast Posts: 348  
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I use a light duty thread lock on all the drain plugs.
It doesn't lock it more than usually,but it makes an excellent thread sealant. |
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27th Mar 2022 8:06pm |
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| jfh Member Since: 08 Jan 2014 Location: West Coast Posts: 348
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Loctite 248 is maximum strength.
I use loctite 222 that is meant for small screws |
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27th Mar 2022 8:09pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19608
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That Loctite 222 is good for many items, just enough without being any problem especially with small items.
Teflon tape, I do use it a small amount for the diff plugs. Never had the slightest issue with it. I have a feeling there would be a weep from the drain plug, especially if I didn’t but as I said only a small amount I think no more than two winds of it. Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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27th Mar 2022 8:28pm |
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| BogMonster Member Since: 05 Feb 2008 Location: Stanley Posts: 389  
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Never used it, shouldn't need it. If a tapered bung in an oil-filled unit is seizing up then it ain't getting taken out often enough, and if it leaks then there is a fault with it. ---
2006 Defender 110 SW 300Tdi • 2011 Ford Ranger XLT crewcab • 2015 Defender 110 Station Wagon Utility TDCi |
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30th Mar 2022 9:40am |
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| miker Member Since: 13 Sep 2015 Location: Surrey Posts: 1758
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Leaking oil is indeed a common land rover fault.
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30th Mar 2022 8:34pm |
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