New freeze plug leaking It's a plastic piece that sits below the expansion plug which explains the leak. runs fine, heat works, steady coolant temp, just a leak. The Should be as simple as replacing the plug, flushing your coolant, and adding new coolant. This step ensures that the engine block is properly sealed and protected from leaks. Do not "score" the engine block during removal or it What Are Freeze Plugs? Freeze plugs are also called expansion plugs. 3 - lube washer with supplied lube and insert new plug. They then STOP leaking when the engine heats up to around 200 degrees and heat soaks the block. I put steel plugs in my engine and one failed within a few months. I have been trying all weekend to remove it, but there is just not enough clearance (only about 1") to Then the new ones get distorted/ scratched and when the engine gets put in service you get a phone call- the freeze plugs are leaking. It would be easy to get a size that was . I like teflon on threads. However, they can also go bad over time due to rusting and promote leaks. Freeze plug sizes vary depending on the vehicle’s make and model, so make sure you know which size fits your engine. Time to usher in the new guard! Apply a thin layer of gasket sealant around the edges of the new freeze plugs. It is important to make sure the new freeze plug is flush with the engine block to ensure proper sealing. 0l. engineguyBill Guru Posts: 1264 Joined: Fri Feb 26, 2010 4:15 pm Location: Gold Canyon, AZ. Save Share I had a freeze 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - Freeze plug leaking on back of engine block 300 i6 - I have a 300 i6 in my truck and it's been dumping all the coolant for some reason recently. Joined 3 years ago. It might be too fast of a leak, but like I said it's a last shot to Freeze plugs prevent this from happening by allowing the frozen water to expand out the plugs' passages. 3K views 11 replies 4 participants last post by Jerky bump Apr 27, 2007. The repair process will vary depending on the type of freeze plug and the location of the leak. started leaking few minutes after i started the truck. Be careful not to damage the surrounding areas. 7L Cummins Killer Frost Plug Plate Dodge 2003-2018 5. Here ids a video to show you how to replace the freeze plugs: That is not a freeze plug. There are some expandable rubber plugs that I use. It would take two to three days for the coolant to leak, then the engine would stop leaking. And the freeze plug in question looks different than the others - and is it backwards or just a different style? If you notice any of the following, it probably means that your freeze plug has blown. I installed the engine and had it running perfectly, and then realized that every new freeze plug was leaking. Apr 21, 2020 The transmission required a new torque converter a thorough fluid flush and redo - but lived to drive again. What can I do to stop the leak? Would rather not replace the plug again unless that is I have a 70 era sail boat with freeze plugs that are difficult to reach. Step 6: Install the New Freeze Plugs. These plugs are found in the engine block. Use a flat-head screwdriver or a pry bar to carefully remove the old freeze plugs. When installing a new freeze plug, it’s important to make sure you tighten it carefully. 015" increment. I always just knocked them into the block and put in the new freeze plug. Ended up taking the alternator/belt tensioner bracket off just to take a closer look before diving into the water pump job. So if you're not keeping a good anti-freeze concentration (using distilled water, not tap), and are not changing it at least every 2-3 years, you might Engine Mods - How to seal rear freeze plug behind cam - After a lengthy search, i think i found a major oil leak that has been plaquing me since i installed this new 406. I have seen many a block cracked from ice that never shoved a core plug out. Coolant appears to be coming from the freeze plug bore and it runs horizontally to the front of the plug for about an inch. There are a few tips I show on how to prevent freeze plug le A freeze plug can pop out due to the pressure from expanding ice in an engine’s coolant. One on side of block near back or rear of engine leaked a lotabout a quart in ten minutes. They can look good on the outside but be very thin from corrosion. I have searched and search but cant seem to find any reference to this "plug". Had to pull the engine to get a new plug in place but this one is Carefully place the new freeze plug in the hole by hand. Is it necessary to have a slow antifreeze leak from an engine block freeze plug repaired. I'm assuming that you have Not sure that's the approach I would have taken. They leak a small amount while the car sits in the garage, then start to leak even more when I start the engine and turn on the CSI electric water pump. If you have room I think you should be able tap or push a new one in. Twelve years ago, when I rebuilt my 1960 "289", I installed brass freeze plugs from SI. They are typically found on the side of the engine block. As memory serves, there are 2 or 3 freeze out plugs on the back of the block. Also I would use a freeze plug installation tool. If it's a short term fix and Got a 96 Ram 1500, 318 engine. To me it looks like the bottom half was driven in a little further than the. However, buying a full gasket set and new coolant can increase the parts bill. The term 'freeze plug' is a misnomer, however if your 'coolant' freezes it may allow for the expansion of the iced up coolant, popping out the plug in the process. I am going to try the "product" first before yanking the engine to pull the brand new freeze plugs out. What's New; Forum Listing; Marketplace; Showcase; Gallery; Advanced Search; Members; FAQ; Dark Mode; Light Mode; Menu Hello, I have a very slight leak on one of the freeze plugs on my 302. Installing a new freeze plug isn’t as complicated as it may seem at first glance. The contour on the wall of the plug is flat then a bevel out. After having the rig sit on the lift for the past two weeks and finding new 5 . get them replaced immediately you don’t want to risk having water damage or needing a new I have located the leak coming from the freeze plug that is right behind the motor mount. However, with the right tools and some patience, anyone can do it I called my friend at the machine shop and he told me to heat cycle the engine a few more times and they 9 times out of 10 seal up on their own. Once a freeze plug has If the center of the plug has already rusted, you might be able to get a screwdriver inside without drilling a new hole. 015" or . Initial inspection shows passenger side freeze plug leaked/spraid out past the the threads and the back two on each side all have wet threads. AFAIK, the plugs should seal properly from day one, I don't think they will seal up by themselves. Remove any rust, debris, or remnants of the old gasket material to ensure a snug fit for the new freeze plugs. Circulate fluid and continue to add until full 5 - remove old cord and run new supplied one, secure it with supplied zip ties. Still leaking and not sure how to move forward with trying to fix it The guy has already put the freeze plugs in and the engine is in the car! The way I see it ForceFed86, taking in to consideration the one freeze plug that you will have to remove and replace this is your options: Leave them alone and they should quit leaking on their own. Expect to pay: $15 to $50 for a complete coolant system gasket set; Severe freeze plug leaks can lead to overheating and cracked cylinder heads – a hugely expensive repair running $1,000 or more. If this is a crack or freeze plug leak this should work. took out the truck got it hot and then flushed my cooling system to remove the sodium silicate and have not had a problem since 40,000 miles ago. but its very small. This can lead to overheating and extensive damage. its not cracked and there is no grooves so no screw is missing. This helps Cool/Heat: Freeze Plugs Leaking ! 03-14-2022, 03:00 PM. Replacing core plugs can be tough, It easily seals leaks in plastic, aluminum, and metal radiators, heater cores, gaskets, and freeze plugs. If the N52 has freeze plugs, I've never seen them on either side of the block. And, sorry to say, you need to pull the trans or engine to get to them. I hope I'm wrong, though! have a 302 Ford engine with freeze plug behind engine start leaking a little. The point of expansion was below the level of the plug and went out but not up. Ended up doing the event in a buddy's 2002. Joined Apr 28, 2021 Messages 5 Reaction score 1. The freeze plug is crucial to preventing your engine from freezing in cold temperatures, so you want to The term "freeze plug" is a reference to the parts' ability to protect automotive engines from freezing. It would be a pain in my----- to fix this without pulling the motor. 02' 3500 6 spd 4x4, Bully Dog pipe, BHA air filter arty018: Save Share Please consider creating a new thread. To repair those he would have to 3 of 8 NEW freeze plugs leaking The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board Register or Log In Get brass if your budget allows it. It’s not a difficult or complicated job. Do you know if there This is also necessary to prevent leaks from the new plug. 9L/6. dodge, d150. Ive narrowed it down to a plug that looks like a freeze plug with a good size rust hole in the bottom. I remember my dad putting some black Even tho I’m a fix it right and can’t imagine why something this new has a leak to begin with, a weeper with the GM tablets might be a good idea. Catching freeze plug issues early reduces risk of secondary By Henry Petrino in Modesto, CA on Sunday, April 16, 2017 - 09:43 pm:. I would guess a $1G+ to repair. Canadastang. A freeze plug is a sheet-metal cap pressed into a hole. best to use 65% for max corrosion protection with distilled water and NO scale build up. It’s not uncommon to see leaks, or even total failure of the rear freeze plug on the back of the block on a Cummins diesel, especially after any kind of modi 1987 - 1996 F150 - Coolant leak from throttle body plug - 1996 f-150 5l :I have coolant leak from a plug on the throttle body. Finally, insert the new freeze plug(s). I found a YouTube If the faucet leaks from around the handle just when the water is turned on, the stem packing may be leaking. 54 posts · Joined 2007 Add to quote; Only show this user #1 · Apr 19, 2007 (Edited) Ok, the story, I bought the jeep used. Regular A rubber plug replacing the leaking plug is a decent solution and if you can get to any of the other plugs easily, I'd consider changing those. Plastic freeze plugs: Need to know the best Freeze Plug Installation Tool? This video will show you how to replace freeze plugs. 3. my 3 freeze plugs on the exaust side are all leaking coolant they are installed about 1/16th of an inch below the end of the bevel on the hole, new plugs and the That might depend on why it's leaking. If not installed correctly, freeze plugs can cause oil leaks or even engine failure. If a freeze plug has blown out, it will need to be repaired or replaced. That keeps the forces near the plug edges. Tap the outside edge very lightly to seat the plug. #dieselmechan What is the best product to try to seal a freeze plug leak? Remember it's going to the junkyard if it can't be fixed so anything is fair game. I have one freeze plug that started leaking. The question is: Spread thin coat of RTV on to edge of new plug; Use socket I have a freeze plug that is leaking substantially and I live in Florida where it never freezes so can I put jb weld on it? Archived post. Tighten set screw 4 - refill rad and start truck. casper August 28, 2013, 11:05am 1. Run it for a while with just water, then drain the residual out, flush it a time or two and you should be good forever. 12-18-2012, 03:55 If a leaking freeze plug is neglected, the engine’s coolant can leak to a point where it can no longer effectively cool the engine. Seems like a freeze plug would cause a coolant leak and have nothing to do with hydraulic fluid. Either way, use a socket or seal driver that fits tightly in the plug. Any advice you guys have would be greatly appreciated. My daughter's 06 KJ is leaking coolant, coming from between engine and bell housing. Refer to your vehicle’s service manual for specific locations. If Posted 5/30/2016 21:05 (#5328988 - in reply to #5328863) Subject: RE: freeze plug leaking swmn +1 on the mendite had skid loader in shop last winter. I was under the impression that the core plugs are a byproduct of the casting process. But if you are having an issue with the head freeze plugs sealing, try Teflon tape. youtube. There are two plugs on Hello folks i am here to ask your help, my ford explorer 2015 limited, 6 cyl. Slightly above the freeze plug, all around the freeze plug, and slightly (~3") below the freeze plug. Where are these freeze plugs coming from? Now heres me thinking they are core plugs. Enough to crush steel and iron. latech said: One thing to remember is that Freeze plugs as they are more commonly when i did the rebuild on my motor i had 2 of the freeze plugs leaking/seeping i ran a little sodium silicate in my cooling system. They are small metal discs. Then he can remove the inspection cover on the trans and listen for air escaping. Have coolant leaking between the rear of motor and bellhousing. If you notice a low coolant level in the coolant reservoir and discover no visible leaks, it could mean the freeze plug has blown. Quantity. The only Plug back there is the one behind the Cam, and there are 3 small allen heap plugs. If one of your freeze plugs becomes damaged or corroded, it can cause major issues with the cooling system, resulting in overheating and expensive repairs. The BD 5. The Only freeze What Are Freeze Plugs? Freeze plugs are also called expansion plugs. It's right behind the engine mount so I'll need to take that out. Topic List Forum List Newer Older Start New Topic. 78 MGB new freeze plug leaks #1. Make sure it goes in square. It is now leaking. I am assuming that you have properly maintained the coolant system and you have no corrosion and the correct amount of coolant concentration. Never a leak or a popped out plug. Keep confirming that it is going in straight. Let us know what you find. There are also special tools that can be used to By Henry Petrino in Modesto, CA on Sunday, April 16, 2017 - 09:43 pm:. getting water in a cylinder, new head gasket and checked out head and still had bubbles in the radiator $4000 later Metal freeze plugs can be repaired by drilling out the old plug and installing a new one. The old one will settle to the bottom I rented a pressure tester and was able to finally see the leak, it is slowly leaking from the freeze plug located near the front of the block by the AC compressor. Remove Old Freeze Plugs. If neglected, a leaking freeze plug can cause the engine’s coolant to leak to a level where it can no longer effectively cool the About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Recent engine rebuild and all new welch (freeze) plugs. if you want to fix it, take the transmission and flywheel out and examine the plug, to see what's going on. RunningLowOnBrain • Just get a new I currently have coolant fluid leaking from a recessed bolt of some sort on the driver side on my cylinder head on my 2008 Mazda 3i 2. Create thread New Forums More Login / Join. Place the new freeze plug-in hole you just cleaned. Start by hand if possible – this will help prevent them from cross-threading when With that in mind, here are a few tips for installing leak-free freeze plugs. The lower one has a pin point leak when the coolant pressurizes. com/playlist?li 1. I take boat back to lake. Any update Bar's Leaks Liquid Aluminum Stop Leak seals radiator leaks; Seals freeze plug leaks; Repairs gasket leaks and heater core leaks; Lowers water temperature I need a new water pump. Not happy. The headgasket shot is hard to tell - might be coming from a higher source and spreading out along the headgasket seam. Good luck. an 1 5/8 plug, its thick. Freeze plugs are an essential part of your engine, because they He has to fix the leaking ones on the side of the block first. I assume the freeze plugs are cup type plugs with a shoulder so there is plenty of surface for the pepper to get into to make a good seal. They go into the hole and I turn a nut on the outside to tighten them. If you notice a strong smell of heated coolant, it could mean the freeze plug has blown, and the coolant is leaking from your Drives me nuts when I order a core plug and the parts guy 'corrects' by saying, oh you mean a freeze plug. I take the venerable old shop rag to clean the area and under the caked on crud was a shiny brass freeze plug. Find out what to do if you've got a freeze plug leak in your car and everything else you wanted to know about freeze plugs. I now think i am fine, boat idles great and i take out across the lake. 50% min . That freeze plug fell out for a reason. 0L. When a leaking freeze plug is found, the engine should be checked for i got my engine flowing coolant for the first time last night. I know there was a service bullitin for leaking freeze plugs on I use green loctite 680. To protect it, place a Dealer service dept did a leaking freeze plug replacement on the passenger-side head of my 04 GTO. You can probably get one from Auto Zone on their loan-a-tool program. Top. 585 Posts. In the past, many automotive engines were cooled via water. Metal freeze plugs: Metal freeze plugs can be repaired by drilling out the old plug and installing a new one. I just spent the last 3-1/2 hours pulling all the bracketry and accessories on the left-side to gain access to the thought-to-be-at-fault leaking freeze plug. If it's an anti-freeze deficiency, your water passages throughout the block might getting restricted. The freeze plug in the front of the passenger side head is perfectly fine, but the bad news is that it looks like The water level would drop 3-4 inches in the radiator and stop. I prefer the tape. Install the spark plug socket in the center of the freeze plug, and using the hammer, tap the plug into the block. Joined Jan 26, 2007 Messages 10,133 Location Coyote Flats,Tx Tractor JD 4255/Kubota M7040 HDC. You're right about proper maintenance I was rebuilding a big 6 for a Bavaria, and replaced the freeze plugs. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model Installing freeze plugs can be a daunting task, especially for those who are new to car maintenance. I had this exact same problem where I thought it was a freeze plug on the rear of the block and there wasn't any. Liquid is acceptable, but I prefer the tape The shop that done the machine work on the block and installed new freeze plugs, used some kind of sealer on the plugs because I remember seeing it. have a 302 Ford engine with freeze plug behind engine start leaking a little. Install the New Freeze Plug. One other benefit is this stop leak can be added to the cooling Bar's Leaks 1109 Block Seal Liquid CopperBar's Leak - Sealing a Freeze Plug on a 4 Cylinder Briggs Generator35KW Briggs and Stratton Generator with Leaking F I believe I have narrowed my leak down that I found this morning. Page 12. They used a water-cooling system to transfer heat from That might depend on why it's leaking. See All 13 Photos Freeze plugs can normally be bought in packs sized specifically for your engine from most automotive When a freeze plug becomes so rusty that it perforates, you have a coolant leak that must be repaired by replacing the rusted out freeze plug with a new one. That may be so. i have also seen sodium silicate repair cracked blocks. even if its a small gasket leak. Place the new freeze plug. Plus there is an o-ring just under the head of the filter that would prevent any leak regardless. Antifreeze drip trails are running down the block from at least 5 brand new freeze plugs. After the first try it still leaked, but they caught it before I picked it up; called and told me they would try one more. There are no freeze plugs in a hydraulic system. Are there freeze plugs in rear of the block, 1997 4. Posted by glennj3 . Leaking Freeze Plug. Usually a new plug, installed with a non-hardening sealer, after cleaning the How to repair a leaking freeze plug with a Dorman Quick Seal Rubber Expansion Plug in a 1994 Chevy Cheyenne C1500. Jun 28, 2016 not hard to change. Then grab it with a pair of pliers and pull it out,clean the bore with scotch brite or similar add a little sealant to the new one(I like ultra black silicone)and use a large socket and hammer to tap the new one in to the 78 MGB new freeze plug leaks. Core plugs, frost plugs, freeze plugs, soft plugs, welch plugs, expansion plugs, those danged rusted out leaking plugs- it's all good. After a freeze plug has failed, however, it must be replaced. It is pretty signifcant and its the plug above the starter so it needs fixed. Pushed it a bit past where the original sat. You don’t want the hassle and expense of sending your block to the machine shop. With a few basic tools, some elbow grease, and a bit of know-how, this task can be accomplished in no time. 2 - when drained down, loosen screw more and remove plug. What seal can be used to seal it up and not affect radiator and thermostat-- Thanks View attachment 5453461. And be aware that there are very fine size increments for freeze plugs, like increments of 1/64", which is about a . I most likely used Permatex #2 as a sealant. 5 inches in Install New Freeze Plug. Im trying to decide if I should pull the engine to get a better look rather than just trying to install a new freeze plug (whick If I am not Mistaken, there are NO freeze plugs on the backside of the block. Of course I only used a paper gasket, and Once the leak is stopped it won't leak again. Right now it's already got pure water in the system because he has to put 1 gallon of water in there just to drive it a mile or two. Clean hole well, some may want to put gasket sealer on new plug not really needed though. This helps Recent engine rebuild and all new welch (freeze) plugs. Major leaks everywhere. A brand new freeze plug is like $5. I put a smear of gasket sealant around the perimeter of the plug before installing. Get it nice and clean so we can I have a 65 coupe with a 289. The fact that the leak is slowing or stopping with the engine warming might be pointing to that. I was unabale to trace the source of the water leak, but was suspecting the passenger rear freeze plug. It would seem the plug is part of the water jacket. Yes, I did it myself. 34 Answers. Lastly, you’ll want to check the freeze plugs for leaks. I estimate it is less than a cup a month given the radiator fluid level. It was not the expansion plug but the water outlet that went bad. Give the plug’s seat a thorough cleaning. Gaskets and freeze plugs (new installs) forced the water through the non Installing new freeze plugs is a crucial step in the process of replacing freeze plugs without removing the engine. It appears to be going into one of the freeze plug holes. As with any task, preparation is key. C. Joined Dec 8, 2015 Messages 261 Location Ontario Canada. Install the new freeze plug by tapping it gently into place with a hammer until it’s flush with the surface of the engine block . So GM bought the car back and gave him a new one, since the dealership service people were so One thing is to be careful to inspect is the area around the leaking freeze plug, these blocks have a tendency to crack into the margin of the freeze plug opening. If the antifreeze has been changed regularly over the years they are probably ok. To change one, you drain the coolant, knock the bad plug in, pull it out, put some sealant (like maybe industrial caulk ) on the new one, and hammer it in. ) The engine had a rubber expandable plug in 1 hole when I got it and that was the only plug not leaking. Remove the Old Freeze Plug. It is not enough to puddle on the floor. I was Now, for today’s events. Freeze plugs, also known as expansion plugs, are essential components that seal the openings Hammer the new plug into the block. This tool will keep you from driving the new plug all the way through and will keep it from getting cocked in the hole. New comments cannot be posted and votes cannot be cast. Be a good idea to replace them all Get a bottle of Bars Leak. I want to believe him since I know he has A LOT more expereince building and dynoing engines than I do, but I've never had a brand new plug leak. You could try putting in some radiator stop-leak as a quick fix. 030" on the small side, and they would install 'snug', but not be properly tight. Tap it in gently with a hammer making sure you stay perpendicular to the block and you shouldn't have any more trouble. 5, was leaking antefreeze in a fereze plug, one above of the alternator, so i was running in the street and i got the alert about was my car was hot, i checked the temp and it was near to 3/4 of the gauge, so i turn it off, put water, wait 25 mins, i turn it on As the title says, today I noticed some dripping under the truck, checked it out and it is leaking where the block heater goes into the block. Took care of that idea. Jack,I have read that the new long life anti-freezes are more acidic than old fashioned green . Clean the area thoroughly. not freeze plugs. Question is, can I just On the first white page of the manual (page 1 of Servicing of Tractor), there is an illustration "Tractor identification plate" which shows that freeze plug (right over the dipstick) with a hexagon in the center, which makes me think it's threaded, where the other freeze plugs are shown as just circles. You didn't say if your "new" freeze plug is steel or brass, but I bet it's steel. Usually a new plug, installed with a non-hardening sealer, after cleaning the I had to replace a freeze plug on my BX2670. The is a small 2 second leak coming from right beside the starter on the passenger side. KTM (nor Honda, etc) can make oil passages that go around corners in the castings and clean them out after the casting process. A light frothy pink crust develops at the leak. I was successful in getting the old one out, but I'll be darn if I can figure out how to get the new one in (without lifting the engine. Proper installation of freeze plugs is crucial to ensuring the longevity and Easy fix available at any auto supply,drain coolant(as much as possable)drain block too,you can drive one side of the old one in,sort of flip the plug in the hole. When you hit the low crown of the plug and flatten it, the mechanical advantage of that design means your hit of a few lbs is multiplied 1000x. crazyiven Discussion starter. Everybody has to start some place. I would recommend using a regular freeze plug sealed with aviation sealer after sanding the hole smooth. I speedily tighten the bolts and it stops leaking. They are designed to pop out if the water inside the engine freezes. This plug can only be accessed if the transmission or engine is removed. Yep, there are freeze plugs between the engine and transmission, on the rear of the engine block, there is usually a freeze plug located in the rear to prevent coolant from leaking out. not frost or freeze plugs block savers. Mostly because it's pressed in and they are pretty difficult to A leaking freeze plug can be an indication that your cooling system did or came close to freezing. Ferbs97. Easy peasy . Playlisthttps://www. Please tell me there's a freeze plug back there. Slid under it with a flash light. 0l? Just put new head gaskets on and have a leak showing up at bottom of bell housing. I believe they block off the Oiling system. Center and align/square plug in hole and with a socket size that just fits inside the The new plug was a tight squeeze and I had to use pb blaster on the edges of the new one, put a rag over it and banged it in EVENLY with a hammer (rag is so you dont dent Changed a plug in my truck, used dor. Refill the coolant I posted a couple days ago talking about a small coolant leak I have, that i thought was a water pump. The purpose of the freeze plug is to seal off the block and prevent coolant from leaking out. if you want to fix it, take the transmission and flywheel Here I show the process of how to replace freeze plugs on my project 1992 Jeep Wrangler Yj 4. 7L is able to be seal the leak without the need to hammer out the old frost plug. I bought some bars stop leak for a temporary fix and I bought some K&P I think, it was $30 a quart, but its guarenteed to work. I added a couple of GM radiator sealant tabs, but it did not fix the leak. I have a coolant leak on my TJ I traced down to a freeze plug on the driver's side of the 4. I looked real carefully today and felt all around the water pump and didnt feel any coolant leaking. Clean the hole from where the new freeze plug will fit; Now, clean the gap thoroughly where your new freeze plug will fit. Engine overheating: If a coolant leak is severe enough, it Tighten the freeze plug carefully. glennj3 glennj3 Gleason. need to know if there is a freeze plug in the back of the engine where the coolant is leaking 78 MGB new freeze plug leaks. Locate the Freeze Plugs. In some cases, you can fix this by simply tightening the retaining New Billet Aluminum Screw-In Freeze Plug Kit for High Performance Engines (3-2-2004) - You want billet aluminum screw-in freeze plugs for your high performance engine. Liquid sealant works well if everything is fitted perfectly. It appears that the freeze plug behind the cam is leaking oil which is dripping down the back of the block, over the pan rail and dipping off the Bimmerforums is the preferred online BMW Forum and community for BMW owners. Its leaking where the cord plugs in, probably around the pins I would assume. If the old one was deformed or bent when it was pushed out, chances are it may not want to stay in place this time either. This will help ensure that your new freeze plug(s) seat properly and don’t leak. Once loose, use pliers or a similar tool to remove it. I actually doubt that it's the freeze plug. Expanding rubber plugs fixed it. Googled around, lot of people say the dorman plugs are crap. What exactly Get in there with a container of soapy water and a stiff toothbrush. Of course, I've never had freeze-plugs leak on me, so maybe they go in groups like that. SMH I ordered a new core plug to install instead of the block heater. The galleys are straight lines, and New Member. The Core Plug Replacement is an easy DIY you can Resist the temptation to fill a freeze plug leak with an over-the-counter leak stopper product. If your vehicle has bad freeze plugs, you may notice coolant leaks or a distinct sweet smell. Its either a freeze plug or a head gasket. I looked at everything at the lot. Jump to Latest 3. What seal can be used to seal it up and not affect radiator and thermostat-- Thanks . Pretty sure it's a freeze plug issue but need some help as far as getting the tranny out of the way. Before installing the new plug, apply a small amount of sealant to the outer rim. It is pretty rare for that cam plug to leak, I've found them installed without sealer and no leak! the top in about right and the bottom sticking out a bit, so it might be in a little Odd, I would expect that freeze plug to be leaking before pipe plug. first use a screwdriver and a hammer to punch the screwdriver through the old plug and then pry it out. The freeze plug next to the right motor mount on my 91 dodge 1/2 ton truck with the 318 decided to take a crap almost leaving me stranded. Just replace it! If you can get this clear of a picture you should have relatively easy access to drive in a new one. We're getting all new freeze plugs and a chemical flush, plus a new distributor cap, rotor, spark plug Next check the hoses, as mentioned above, for cracks or connection issues. I have a slow The Welch plugs main function is to block the holes that are used in the casting process. Skilled automotive technicians know how to provide more effective and lasting solutions by replacing the failed freeze plug with a fresh new one. This 406 I have has sprung coolant leaks at the intake, (I got away with re-tightening it) water pump, (needed new gaskets after 1 re-tighten). Looks like you have an '04. The engine is new this past spring (used block, new freeze plugs). Timmonsville, SC, USA . Freeze Plugs I had the same problem on mine, I removed the motor mount bolts, jacked up the engine as far as it would go, used a combination of really long screw drivers to get a big enough hole in the freeze plug and then a tire iron to pop out the old plug, then put in a rubber expansion plug, lowered engine, put motor mount back together. Jj1479 said: if it's a freeze plug leaking from the engine block then its antifreeze not hydraulic fluid. Push Freeze Plug Inward: Once you have disassembled and removed any obstructions that hinder the freeze plug service, use a large punch and hammer to force the freeze plug inward. It will seal the freeze plugs. It comes out with some gentle wiggling. Oil flows from top to bottom . Using a hammer and a socket extension, tap the old freeze plug to loosen it. In many cars, the freeze plugs One thing to consider is that if the freeze plug is leaking because it is rusting out from the inside you may need to replace all the freeze plugs. The head on my 318 is leaking anti-freeze from where looks to be one of the rear head freeze plugs. Had to pull the engine to get a new plug in place but this one is My 2003 Rubicon is leaking coolant from the upper rear freeze plug on the back of the engine, close to the firewall. Passenger side freeze plug leaked, of course above the engine mount. The bolt goes through a New freeze plug leaking. The plugs will be on either side of the engine block and are metal disks from 1. Verify that it is perfectly straight, with the cup side inward. The metal of the block's sealing surface should look as perfect as the mating surface of that brand new freeze plug, but it wont. New Member. new head gasket Anybody have any issues with the thread in freeze plugs leaking. The deformation insures a seal. I just did a hard run and noticed a poof of smoke. Are you experiencing engine leaks, overheating, or coolant loss? These issues could be caused by damaged freeze plugs. I I've changed it 3 times now and used sealant and everything. This job The truck's been at the shop for several days because, like Curly said, they hat to pull the engine to replace the freeze plugs. If it is leaking oil, it is a threaded plug for an oil galley. Freeze plugs fail by popping out. I had heard of using pepper but never believed in it till my son put pepper in the leaking radiator on a B Farmall and it sealed right up. Then, the new freeze plug can be installed using a rubber mallet and sealant. It is not recommended to reuse a popped out freeze plug since it may not fit tightly anymore. If the plug doesn't 'give' then your engine may be irreparably damaged. Sign in to contact. Figured one of the heads was leaking, but cannot seem to find where the water is coming from. It is also leaking oil at the timing cover. Made to bond large diameter cylindrical parts, for the freeze plugs. It's not excessive but I don't want it to become a bigger problem. . Use a piece of sandpaper to clean the sealing surface of the block then smear RTV silcone around the edge of the new plug and use a socket or something close to the same size as the plug to tape it into place with a hammer. Used permatex aviation sealant. Plastic freeze plugs: Coolant leaks: The most obvious symptom of a blown freeze plug is a coolant leak. 4. Start the engine, and i noticed water is leaking around my riser gasket on one side. F. There are two plugs on the throttle body (point toward passenger side at about 45 degrees). IMHO, rubber expansion plugs aren't worth the trouble. 5 to 2. You may see coolant dripping from the bottom of the engine, or you may notice a puddle of coolant under your car. I believe that is a freeze plugs leak from the information I have gathered. Usually it's an old plug that rotted through or something. The sales guy was tripen out. I have found a couple of examples of people thinking the freeze plug was leaking, but it turned out to be the weep hole from the water pump. It is a 350. This measure will only work temporarily and only for the smallest leaks. The only hard part is getting access to it because there are so many things around the block. If it were a leaking heater core, chances are there would be fluid on the floor on the passenger side, and you would smell/taste the antifreeze, especially when you use the defrosters. I finally traced the leak very closely 2. I have a new plug but what is the best way to change with every thing on the car? I can get to it, I don't see any problems with tapping the new one in but not sure above the removal process. I haven't come across this kind of problem in like 40 years, so what new age, new remedy product/s are out there now to stop the leak which at this point is a trickle. Ford only sells the whole throttle Well this sucks, loving my new tractor but disappointed with this especially with about 8 hours on the meter looks like the freeze plug on the rear of the head wasn't installed correctly and is weeping some coolant. It would leak oil, not coolant. Identify where the freeze plugs are located. 1978 MG MGB 1978 MG MGB. Maintenance/Repairs. Post a pic of the area that is leaking. Topic Creator (OP) Sep 29, 2024 01:07 PM. The coolant takes the path of least resistance and starts leaking into the timing cover and down into the oil pan where it gets sucked up by the oil pump and distributed throughout the engine internals causing bearing failure Yeah, that head-on pic of the freeze plug sure looks like its leaking. Then, after the surface is properly prepared, the new freeze plug is hammered in with some sealant using a special tool. My intention was to take it to the Sebring track event for the BMWCCA Octoberfest 98. Car cooling systems can have multiple plugs. we think it might be a freeze plug. Can that freeze plug leak? Is the weep hole on the bottom of the pump? IS there somewhere else the coolant could come from than the plug? If it is the freeze plug, how easy/expensive is it to change? Again, a small dab of blue permetex between the water pump and the block - along with new gaskets could take care of the problem. Need to know how to install freeze plugs without removing engine? This video will show you how to replace a freeze plug.
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