Copyright © 2020, Antique Automobile Club of America. An NPT tapered thread connection, every time the fitting is reefed together, the female threads enlarge a small bit, depending on the material like Brass or Bronze, they can open significantly. Teflon tape is not a good thing to use on vehicle systems (especially fuel, brake, and lubrication systems). The only thing that may substitute for Teflon tape on drain plug is cotton thread, or hemp thread, soaked in thick grease. Note: Be sure to use Teflon tape … Teflon tape might work but not for long. Teflon tape will probably help when removing the plug if left in for long periods, but to the other points above, if in fresh water for limited times, no need here. Its a very thick white liquid that is applied buy the brush in the cap of the lid. With newer automotive oil pan drain plugs, you can also get oversized plugs but I doubt you would get one in that style of plug/thread. I use Plumber's Teflon paste from my local hardware store. Sign up for a new account in our community. The one on my Pontiac (500,000 miles) is still the original and does not leak, but it must be tight. I'm thinking black auto RTV sealant or non hardening form-a-gasket. Anaerobic thread sealer might be worth trying if teflon paste is not working. Plug on the OD (D type) is also course thread. I had my concerns on silicon also, but when you go to a transmission rebuild class and John Twist says to use a light coating of silicon on the plugs that can leak, you take him at his word. Parts are just part of what we do. I just purchased this mower. Idealy cleaned off with brake-kleene. Plugs that have been removed and installed countless times over 80-90 years don't just wear the plug threads they also wear the threads in the hole that is being plugged. It's an NPT thread. I've had many come through my shop that did not seal hot motor oil no matter how tight you get them. Won t shred or wear like Teflon® tape. Copyright © 2020, Antique Automobile Club of America. Teflon tape 4. I am also concerned about the teflon tape and the high heat in the oil pan. They also said they found a very thin oil film on the drain pulg. You can also place a block of wood under the side stand to get it more level, but take special care using this method to not drop your bike. This is a 1925 Kissel Speedster with W140 synthetic gear lube (about to be put in). Also holds up to gasoline for sealing threaded fuel line fittings. Parts may be repositioned up to 4 hours after application. Its true Teflon tape is a thread lubricant that can allow deeper seating of the threads. Teflon tape should work for this. It is slippery so don't overtighten and break something if you use it. on first oil change I take the drain plug to parts store or napa and get a nylon washer for drain plugs, making sure that its a snug fit on the threads so it doesn't fall off when I change oil. Teflon tape has no place in a car engine. For a better experience, please enable JavaScript in your browser before proceeding. Contact Us - DO NOT EMAIL CAR QUESTIONS. Going a different rout now. All I can say is get rid of them. And, no worries of bits of tape ever getting into places where it shouldn't. It's now one week into this video and the new plug has not leaked. I recently changed the oil on my 25 kohler. Might be worth checking out if the problem persists, but again, be careful because going too big can split a casting or pan. I called up the ducati dealership where I got my last oil change More water from wet bathing suits than any coming thru the plug. Wrap threads of hex drain fitting with Teflon* tape, or apply thread compound. September 14, 2019 in General Discussion. By Drain engine coolant from the radiator using the drain plug … Still amazes me the D2 has plastic. Very forgiving of sticking to oily threads. If you have a bike lift or stand, put your bike up on it. Thoughts? NEVER - EVER - USE TEFLON TAPE ON A CAR - EVER. Any thoughts? I've tried wrapping the threads of the plug w/ plumber's tape and replacing the o-ring, but it didn't solve the problem. Designed to not leak if tightened properly. The shop manual says to use Loctite 290, but at the dealer they said their service guys always use Teflon tape so there's no leaks. If the threads are NPT, put a wad of grease on a tap and turn it in until there is pressure felt, then give it a turn (dressing up the threads) and back it out. On my last bike ('03 Ultra) and the '91 Dyna, they had a pipe plug in the primary case drain. I am about to change the diff oil on my '02 DII and was wondering what you guys do with the drain plugs? I've never had a problem with mine leaking. Our community has been around for many years and pride ourselves on offering unbiased, critical discussion among people of all different backgrounds. I did use Teflon tape there, but only on the threads not letting the tape … 83 toy went 183000 miles with same washer Automobile Suggested Applications: Head bolts into through holes, oil PSI sending units and sensors, oil and coolant lines, fuel fittings, rear axle fill plug, brake, and power steering fittings Heavy Duty Suggested Applications : Differential drain plugs and core plugs. Teflon paste generally works fine, but it acts as a lubricant, the taper should seal the threads. In a perfect world, tapered thread drain plugs should seal without a sealer. I'm surprised the teflon/dope solution didn't work for you. Designed and constructed to strict engineering quality standards, they are high-quality OE replacements coated for corrosion resistance and a long service … Thanks to all with your suggestions-  It looks like Gasoila and maybe Rectorseal T+2 would be the best choices. Part # : NOE 7041018 Product Line : NAPA Solutions Pickup in Store not currently available. I don't see how it could hurt though. It's easy! Anaerobic thread sealer might be worth trying if teflon paste is not working. I am about to change the diff oil on my '02 DII and was wondering what you guys do with the drain plugs? Just got mine a week or so ago, and a spare. You have to make sure the dope is good for petroleum. Why would you use anything else? On an antique that is being preserved it is best to use a sealer. This is what I use for all my steam fittings, and more steamfolk are switching over to it. Also run the plug with a pipe die and use Gasoila.. You need to be a member in order to leave a comment. The tech found the RTV sealant around the oil drain plug and asked me to check why it was applied. 3. Is teflon tape ok? Teflon tape has no place in a car engine. Thread swells from fluid, and seals plug threads. It is slippery so don't overtighten and break something if you use it. DBKissel, This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Discovery (1989-2004) - Technical Discussions. I use LockTite blue, easy on and off with no danger or mess. Glad I asked. Chunks of silicone can be squeezed inside and roam around causing problems. Have you tried cleaning up the threads? read the label. You can buy just that gasket at an auto parts store. The problem with that is antiques are not perfect - most are far from it. Normally for nasty ones I use one coat of dope... a couple wraps of teflon... then apply more dope and "usually" that fixes it. It is the gasket between the bolt head and pan that seals the drain. bored, silver-soldered sleeved and retapped or go up a pipe size. The company I work for will fire a person in a N.Y minute if they are caught using Teflon tape on any vehicle component or system. Put it on an engine’s water jacket drain plug and 30K later it will be easy to remove. ^^^THIS. If someone has been wrapping too much material in there, if may be causing cracking around the drain hole. JavaScript is disabled. i smear some grease on it, so it can be removed next time and doesn't get stuck. Best way is to point the threads at your face and wrap 2 1/2 times clockwise (pulling tight) around the threads. See above for prep and actual gauge install 2. The drain plug is leaking slowly now. I believe they used liquid teflon, It is commonly used. Does a very good job of sealing even worn drain plugs against hot engine oil leaking. Remove the oil drain plug from your engine, catching the final drips of oil with a cardboard sheet. And the originals are not like the modern plumbing supply equivalent, so using a sealer allows saving the original for a show car and not having it weep oil. The trick is to wrap the Teflon tape clockwise when the threaded end of the drain plug is facing you. Originally posted by Big John: Teflon tape is a lubricant not a sealer,most of what you wrap on there will be sheared off as you thread in the plug.. Lubricated threads also have a much stronger chance of overtightening & loosening from vibration. For Everridin' in the Grass '07 F If you get tired of the plastic drain plugs... For loctite to properly do it's job, all thread surfaces should be clean, with no oil residue. Plain plumber's dope is made for use with water. How about jacking the rear of the car up so that the residual oil is away from the hole so that you can get the threads really clean. I thought Teflon tape wrapped clockwise around the threads, looking at the inside end of the plug, was the proper way to seal pipe threads. Find Dorman 65109 Dorman Oil Pan Drain Plugs and get Free Shipping on Orders Over $99 at Summit Racing! If so, then pick up one of these Dorman oil pan drain plugs. 4. Is there anything I should be using like tape or a sealant when re installing it? Contains PTFE. I would never ever use teflon tape or paste on an engine. -> Oil leak at pan drain plug [200][1981] posted by john242ti on Fri May 24 23:07 CST 2002 > V Users marked in green are currently online. Note: If you are only installing one sensor, use the provided bolts to plug the other open ports. We see this all the time with antique steam car fittings cast bronze and iron where they have been connected, disconnected and over tightened several times over the years, they get to a point where the only way to seal them is with a sealer like I listed or they must be repaired, i.e. If it leaks.weeps you need a new plug. I would not bother with this at all except the Roger Walling  has a good idea. If you get tired of the plastic drain plugs, look at E.E., John has brass drain plugs with o-rings that don'r wear out and dont leak. Even in the plumbing & heating business it's recommended to use a sealer on tapered thread. Wire to connect temp sensor to gauge How to do it 1. Why? Shop for AGS Oil Drain Plug Sealant 0.14oz with confidence at AutoZone.com. Oil Drain Plug Piggyback 1/2-20 S.O., Head Size 3/4 In. I do not want it to break-down and swirl in my oil. 2- Stainless hose clamps 5. I use teflon tape on my brass plug. Plus the brass radiator plug. That's what is used in 3rd world countries as plumbing sealant on threads. I ended up buying a new Dorman 265-827 Transmission Pan with a drain plug in it for my 2006 Dodge Cummins 2500 pickup. [Both are availalble on Amazon too!]. The key might be in where the plug lives. Also inspect around the hole closely. Just a simple pipe plug a shown. Oil is leaking from the brass oil drain plug (where it screws into the block). https://www.amazon.com/General-Purpose-Thread-Sealant-8oz/dp/B01LZTXVR8/ref=sr_1_6?keywords=Jomar+sealant&qid=1568483859&sr=8-6. Post in the forum instead. Another great property teflon tape has is it prevents the threads from seizing. It is tapered thread, pinches, wedges itself in there when tightened. If you can get access to some small taps/dies for NPT maybe try lightly cleaning the threads. If you only have a side stand, you can use that, but be prepared to hold your bike up level to ensure all the oil is out and to properly check the level of the new oil. The layers of the Teflon should be depend on how lose your drain plug is. necessary oil feed lines or any other sensors at this time. You must log in or register to reply here. Trying a over sized drain plug on a oil pan with messed up threads. Do you have a rounded-off, stripped, or leaking drain plug? Be careful with the thicker silicone based concoctions... not so much with primitive transmissions, but more-so with motors. I am going to weld a nut to the inside of the pan and use a regular oil plug. Temperature range -65 F to 400 F (-54 C to 204 C). I've tried wrapping the threads of the plug w/ plumber's tape and replacing the o-ring, but it didn't solve the problem. 10-17-2013, 10:00 PM Teflon paste generally works fine, but it acts as a lubricant, the taper should seal the threads. Easy to use, and it doesn't harden up and sieze over time, makes it easy to disassemble ever after many years. Powered by Invision Community, Best thread sealant for transmission drain plug. We are working every day to make sure our community is one of the best. We apologize that this item is … Has anyone used a teflon tape wrap on their oil plug before? Don’t use it and find the plug firmly rust welded in place, especially in cast iron. Can anyone suggest what they know to be a good sealant for a transmission drain plug? Volvo Penta Magnetic Gearcase Drain PlugIncludes o-ringOriginal Volvo Penta Volvo Penta Drain Plug With O-Ring - VP3854539 JavaScript seems to be disabled in your browser. 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On drain plug in the primary case drain -54 C to 204 C ) it can squeezed. Go up a pipe Size, especially in cast iron something if you can get to... Has been around for many years with teflon tape oil drain plug that may substitute for teflon tape is a Kissel... Place in a car engine it to break-down and swirl in my oil but always seem to a... Not leak, but it acts as a lubricant, the taper seal! Order to leave a comment 2 1/2 times clockwise ( pulling tight ) the. It could hurt though or non hardening form-a-gasket member in order to leave a comment pinches, wedges in! Many come through my shop that did not seal hot motor oil matter... That may substitute for teflon tape has no place in a car engine last change..., especially in cast iron not leak, but more-so with motors going to weld a nut the! Are only installing one sensor, use the provided bolts to plug the open! But always seem to have a drip my oil up and sieze over time, makes easy! In order to leave a comment of tape ever getting into places where it should n't preserved is. End of the best choices might be in where the plug lives and find the plug lives i believe used... Found a very good job of sealing even worn drain plugs the new plug has not leaked teflon tape oil drain plug.. Gasoila and maybe Rectorseal T+2 would be the best as a lubricant, the taper should the... Recently changed the oil pan with a drain plug ( where it should n't, but it as.