Drain plug washer: Fiber anyone?
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Last post: Apr 19, 2024 Member since:Jul 26, 2000
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I was JUST thinking about drain plugs, magnets, and seals. I have been using a new copper seal with each change and have never had a drip. Probably should leave better enough alone BUT I really hate the way the copper washer can move about at the base of the drain plug. I have several actually. I have the standard Rover short magnet plug, the (no longer available for some reason) extended magnetic plug and now a Gold plug (I thinks its a brand name) with the super strong magnet. All of them let the washer move around a lot! I try to hold the washer centered right before I nip it up but it just seems like a strange thing. Doug, THANKS for the part number. I have been interesting in trying those bonded washers, just for the fact that they might self center on the plug better then the copper ones.
As we are talking about drain plugs, why don't they make the extended magnet plugs anymore? I have one still and it seems like a great idea, to have the magnet collecting anything closer to the oil pickup. What would be even better would be you could combine the extended plug with a Neodymium magnet. Wouldn't that be the best of both worlds?
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Thanks again for the great tip.
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Basil - 1974 Mini 1000 /// THE BLOG: www.thebluepotato.net/blog
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Toyota part number 00295-00103
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Basil - 1974 Mini 1000 /// THE BLOG: www.thebluepotato.net/blog
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Short of slathering the mating surfaces with silicone adhesive, I’ve tried everything to get my drain plug to stop leaking. The case threads are good and I bought a new magnetic drain plug from Stevenston motors and tried a couple of different washer combos. Still drip-drip-drip.
Doug L’s comments have been so solid over the years, as soon as he weighed in I simply copied and pasted his part number into Amazon and hit the purchase button—didn’t even bother to double check. Thanks Doug!
BTW: The Stevenston drain plug magnet is SO much stronger than the OEM. Neodymium magnets are amazing.
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Toyota part number 00295-00103
John - other than the Toyota part # silicone seal you listed, can I source a generic high-temp sealant you think? Looking to just hit my local NAPA....and this is coming from a Tacoma owner
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Check out my Classic Mini Podcast - Classic Mini Breakdown, www.classicminibreakdown.com
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Toyota part number 00295-00103
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I also have the magnetic drain plug that fits the thread well, but it came with the car.
I think you misunderstood what I was saying about the long magnetic drain plug. The one I bought did not fit until after I ran a thread file over it to remove a bit of material.
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The factory drain plug fit my car's gearbox well. I bought a replacement, long magnetic shaft plug to replace it. The threads on it never fit properly. I had to carefully use a thread file to remove enough material for the plug to fully thread in. The tight fit of that aftermarket plug made getting a seal difficult with the copper washer and that's what drove me to find alternate seals.
I used the nylon washer for only one oil change. There was nothing wrong with it and it had plenty of crush to develop a good seal. I only changed to the bonded rubber seal because it was recommended to me. There is typically enough play in the drain plug threads that when tightened the plug head will make firm contact all the way around the metal ring while the wider rubber portion gets squished against both plug and gearbox surface. I like the firm feel of the bonded rubber seal when tightened so I've been using it ever since.
If there is a HeliCoil in the sump the effective drain hole diameter is a bit "larger" than stock. The bonded rubber seal may not have enough contact area to seal around the thread insert. Therefore I would recommend trying the nylon seal on repaired gearboxes. In addition to the nylon seals I mentioned in my previous post, there are some nice nylon sealing washers with ribbed surfaces. Check the "HELP" blister-pack items at your local parts store (Dorman 66303 or equivalent). As I mentioned, I bought 14mm nylon seals that have to be threaded onto the Mini drain plug. These won't just drop over the threads like the stock copper washer.
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I have also used Dorman 65272 (nylon). That's an M14 nylon washer. M14 is a bit small so you have to twist the washer down the threads until it reaches the thread relief under the head of the drain plug.
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Check out my Classic Mini Podcast - Classic Mini Breakdown, www.classicminibreakdown.com
Basil - 1974 Mini 1000 /// THE BLOG: www.thebluepotato.net/blog
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I have also used Dorman 65272 (nylon). That's an M14 nylon washer. M14 is a bit small so you have to twist the washer down the threads until it reaches the thread relief under the head of the drain plug.
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Looking for feedback, warnings, advice on fiber washers on our little engines etc.
Thanks.
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Check out my Classic Mini Podcast - Classic Mini Breakdown, www.classicminibreakdown.com
Basil - 1974 Mini 1000 /// THE BLOG: www.thebluepotato.net/blog
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