Exhaust Manifold Crack Repair Jb Weld

Maybe think about making a jig. Once you have the manifold off, follow the J-B Weld instructions carefully. Ideal for repairing automotive, commercial vehicle and marine engine components:. Get the repair tape and remove the backing to expose the sticky side. In case of gasket fault, the best solution would be to replace the gasket. JB Weld ExtremeHeat is the perfect repair solution. 0 litre block cracked leaks water crack in it and is leaking water on the side right under where the exhaust manifold attaches. suspected my manifold has been cracked for a while (replaced O2 sensor after check engine light on, reduced power when I accelorate, and recently smelling gas exhaust when breaking coming from my vents- NOT good). When fully cured, this metallic compound can be drilled, machined or sanded. To get back on topic: JB Weld will not hold up for any length of time on an exhaust manifold/stud/O2 housing; it will just melt away with a nasty smell to it. Automobile Sealant Exhaust Pipe Repair Glue Resistance to 1100 °C High Temperature Boiler Repair Adhesive Professional Fireproof Glue Car Care Exhaust Muffler Exhaust Pipe Repair Kit CDN$ 5. at room temperature, you can set a clip light with a 60-watt bulb right near the crack to aid curing. Took a little prep work to get manifold ready to accept the JB weld. There is too much heat where the exhaust manifold meets the cylinder head where the JB Weld would be used to hold the bolt. Because the metal of exhaust manifolds is normally very thick, you can turn your welder's power up almost all the way, especially if the machine runs on 110 volt house current. JB Weld is magical. com in Turlock, Ca. If a crack in the weld at near the manifold, hotter. Ideal for repairing automotive, commercial vehicle and marine engine components:. I would gladly pay $120 if it meant that I wouldn't have to worry about an old or original exhaust manifold cracking and creating a hideous "pfft pfft pfft". J-B Weld HighHeat Temperature-Resistant Epoxy Putty is rated 5. The exhaust manifold has a crack that one mechanic described "more like a hole" and said forget using JB Weld. NOS is, for example, what becomes of old OEM dealer inventory when they don't want it on their shelves anymore, someone(s) buys it up and remarkets the merchandise. Mine cracked on the drivers side. I can't post a pic tonight, but was wondering if any of you guys know about what to use that can hold a 1/4 inch tube from rattling. and getting trapped in the exhaust valve. Probably cheaper than a new manifold A decent workshop should be able to do that. Im going to inspect the manifold this week if its cracked and in an accessible spot (i. Might even consider drilling the small stops if you use that Devcon or JB as well. Mechanic mate showed me a Astra crank that had Devcon on it. High temperature jb weld would not work. 0 out of 5 by 2. while you can make. Is it necessary to repair leaking exhaust manifolds. This gives a false sense that it's not a serious problem. JEEP WRANGLER Extracting an exhaust manifold bolt. I seen that the puddy is not good for high temps. Anyway let me know your experience with it and how it held up. JB Weld to fix crack in aluminum intake. Repairing exhaust manifold discussion in the Tractor Talk forum at Yesterday's Tractors. Screw steel studs into the threaded holes, leaving 3/16” (5 mm) to ¼” (6 mm)of the stud above the surface. I don't think J-B Weld can handle the heat -- especially if it's at the top of the manifold. First, remove the cracked manifold from the vehicle by removing Step 2 - Prepare the Crack. Rust, cracks, scrapes and holes can develop over the lifetime of the vehicle and require repair. Cold weld epoxy resists temperatures up to 2400° F to patch exhaust leaks. Re: JB Weld for Exhaust manifold? For what it's worth, or what the boat is worth to you, I had someone nickle weld my cast iron manifold a couple years ago and it has been rock solid. Let it cure and you should be good to go. If so, then I believe either Marine Tex or, as Andy mentions, JB Weld could be used satisfactorily. I used this to repair a cracked exhaust manifold so my car would pass its smog test. The recommended material was Moglice, at around $80 a one-use can. I would see no problem fixing the manifold with it in a emergency. You could always use an epoxy like JB Weld, as the package certainly says it is capable. Let car idle for 10 minutes to speed up dry time. JB Weld) It is structurally sound, More files:. As soon as possible drill a small hole at the end of the crack so it doesnt crack any more. Overlap bandage at least 1/2 inch. Mechanic mate showed me a Astra crank that had Devcon on it. Step 6: Cut the empty soda can to fit around your exhaust pipe. I have a Minnappolis Moline U that has a cracked exhaust manifold, I took it to a weld shop and they were unable to weld it,they did heat it first. When fully cured, this metallic compound can be drilled, machined or sanded. If you have them welded up make sure that the mounting surface is still flat (sometimes warps a bit during welding). To get back on topic: JB Weld will not hold up for any length of time on an exhaust manifold/stud/O2 housing; it will just melt away with a nasty smell to it. Can I repair a cracked. I suggest you take a piece of flat bar and match drill the holes of the manifold, then bolt the manifold to the flat bar, prep the crack for welding. 69 440 sedan (totalled,junked) 69 440 wagon (sold to forum member. Cast iron exhaust manifold woes - suggestions? 12-03-2010, 04:07 PM Before I make my spiel, I just want it to be know that I had a **** of a time registering on this site because of that "enter the letters/numbers from the image on the right" section, so hopefully someone can help me!. The gasket blew out on the #4 cylinder. What started out as a simple method of cold welding in 1969 is now the world’s premier epoxy repair brand, and for good reason – it works. Looked at the other manifold, and found the same apparent crack, but no leaking. Since Nissan wants almost $200 for a new one, they are non existant in junk yards, and no pre-made header is available, what are my options to repair it. J-B KwikWeld is a fast setting version of The Original J-B Weld epoxy cold weld system that provides strong, lasting repairs to metal and multiple other surface types. J B Weld for $5 or Moglice for $80. Product Information If you have a question regarding this product that isn't answered on the page, please contact us and we will assist you. In our experience, the stuff really does work, but would you want to trust the repair of a rare engine block with a $5 epoxy? There is another solution and the original principle has been around since cast iron itself. My most impressive use of JB Weld was involving an incident on the cylinder head of a race motor I built years ago. ( I don't like quicksteel) Make sure you clean the area off completely removing any paint,grease, oil,anti-freeze and so on. I had some cracked marine exhaust manifolds on a 454 leaking water from freezing and cracking ,this stuff repaired them with no leaks ,ran it for a year before i bought new manifolds ,was not leaking still when changed them. I ended up obtaining the services of a welder who works with my father, same guy who welded up the exhaust manifold crack on my old Eclipse. JB Weld is just epoxy. How Much Heat Will JB Weld I have used it to repair cracks in the exhaust manifold on a Cat D-6. J-B KwikWeld is a fast setting version of The Original J-B Weld two-part epoxy cold weld system that provides strong, lasting repairs to metal and multiple other surface types. You wouldn't put enough heat into it to cause any warping especially as the head is bolted to the block. Take a piece of steel wool and cover the damaged area of the exhaust pipe. Key Features: High efficiency weld metal transfer eliminates electrode overheating. 3L Engine Swap Exhaust Manifold Removal. JB Weld on an Exhaust manifold is pointless, the manifold will regularly expand and contract due to immense heat from engine use, causing the JB weld to wear out and fail quite quickly. I'm guessing you have a cracked exhaust manifold, really the only thing to do is replace it. My leak is at the rear of the exhaust manifold between the head and the manifold. They can be obtained through most Carquest auto parts stores. field expedient engineering weld cylinder head repair, weld cast aluminum or any of its relatives soldering block, automotive welding how to work with cast iron and other materials, weld radiator repair cast iron, field expedient engineering weld cylinder head repair, heating radiator leaks repairs how to find and,model t ford forum cracked block ,will weld. If you have never used a welding torch or. Cracks can release CO ( Carbon Monoxide) into your home. jb weld "extreme" is rated at 2400, while others i've found are rated to 500f. The weld repair can be done hot, with pre heating and cooling slowly, or it can be done cold. There is too much heat where the exhaust manifold meets the cylinder head where the JB Weld would be used to hold the bolt. just take it off, wire brush it good, wipe it off and put some jb weld on it, wait until it gets hard and then install it. a crack in the exhaust manifold(s). JB Weld is just epoxy. JB Weld,though a great product,is not suitable for applications in extreme heat,or where temperature fluctuates,like a manifold. Buy online, pick up in-store in 30 minutes. Kelly is right on this. I'd wedge it in place while setting. Force bandage into small cracks it molds and conforms easily. I want to weld my cast iron dutch oven that has a crack in it. Heard a mild hissing noise today following engine warm up. 3L Engine Swap Exhaust Manifold Removal. Water froze inside of it and created a hairline crack along the side of the manifold. Best Answer: Kelly is right on this. The exhaust manifold is directly behind the firewall, which sucks right into the cabin, and the smell is horrible. JB Weld on an Exhaust manifold is pointless, the manifold will regularly expand and contract due to immense heat from engine use, causing the JB weld to wear out and fail quite quickly. J-B Weld Extreme Heat High Temperature Resistant Metallic PasteJ-B Weld Extreme Heat is formulated to allow for repairs to iron, steel and metal in high temperature environments (2400°F / 1300°C). looks like you're exhaust manifold tweaker then frank! i'm thinking of just plain getting it welded up and heat wrap it. the manifold rather than the brass nuts coming off. The o2 sensor. My question is, how many of you that have done this repair have had the bolts snap? If they did snap, how did you go about getting the bolt out in the confined space?. add to cart. A lot depends on where the crack is I guess, Rob. Great for repair and rebuild dry rot and knotholes, window and door frames, screw holes, insect damage, furniture carvings, and handles and knobs. Don't be fooled by the term 'weld'. Best stuff to fix small crack/hole in exhaust pipe sells an exhaust manifold crack repair kit. It appears in good shape other then the 2 pin hole leaks. It would melt off after a day. A few things I have done with JB Weld Repair mag case in bearing housing area on Mac 6 cart engine. But you have to keep reading to find out. The crack does NOT go all the way around. The manifold has an in and out so it will see flow. just take it off, wire brush it good, wipe it off and put some jb weld on it, wait until it gets hard and then install it. Someone else said that JB Weld is rated to 600 degrees F. You might have to drill the header bolt hole in the header itself though, or open it up with a die grinder and carbide bit. See this is a common problem on the /6 manifold. With over 50,000 satisfied customers lifetime expert tech support and a 60 day money back guarantee, HTS-2000 and HTS-528 are stronger, faster and easier than welding. LOCK-N-STITCH Inc. I am considering using JB weld to try a quick fix. Additional Information J-B Weld Hi-Temp Silicone Gasket Maker & Sealant is an RTV (Room Temperature Vulcanized) Silicone gasketing material, designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550º F or 650º F intermittent might exist. Can I just JB weld this thing and call it done? It definitely will not hold up very long on a cracked exhaust manifold. Crack over exhaust port. After 6 months of research, & getting several broken cast manifolds from my brothers' engine shop, I experimented with an old-time process called "Cold Welding Cast Iron With MIG". Nor do we recommend the product for repairs within the combustion chamber. It also makes clean-up, welding in fresh material & repair more of a pain since it doesn't clean off as easily as the normal cruddy/grimey parts do. I worry about weakening it further with a weld so will try Celtis' suggestion of JB Weld epoxy (thanks. Probably cheaper than a new manifold A decent workshop should be able to do that. With any luck and if all goes well… before the weekend is out, I’ll be using the JB-Weld Method on the GM Atlas Engine Head and finalize the repair of the cracked inner portion of the #6 Cylinder Outer Exhaust Manifold Bolt Hole. Dorman Industries make exceptional replacements and range from $100-$300,depending on the application. If you try to repair the crack merely by welding over it, the oxide layer will keep the crack from mending, and it will still be there after welding. I made a corner out of JB weld. 1999 Honda Civic I have a crack in the exhaust manifold. Can you use JB-Weld to Repair Exhaust pipes? I have a 1996 Seadoo XP limited and the area around my hot tach probes in my Spec 2 exhaust manifold is leaking a little bit, only at high rpms. It will cost more to repair than it's worth. The JB Weld works in this application as a sealant because the water cooled manifold stays relatively cool. J-B Weld 100% Hi-Temp Red Silicone Gasket Maker and Sealant is an RTV (Room temperature vulcanised) Silicone gasketing material, designed for use in mechanical assemblies where the existence of higher continuous temperatures up to 550 F or 650 F intermittent might exist. This is (Part 2) of the 2000 Pontiac Montana 3. Occasionally a vacuum leak occurs at a seam which I have temporarily repaired with JB Weld. 0 litre block cracked leaks water crack in it and is leaking water on the side right under where the exhaust manifold attaches. Epoxy Putty with Temp. ok i tried the jb weld high heat putty followed the instruction gave it 14 hours to cure. One thing I noticed when shopping for JB Weld is among the half dozen or so versions, there's a clear version - "JB Clear" I think - that seems to offer a stronger bond than even JB Original. Dangers of a Cracked Heat Exchanger. The only viable solution is to replace the cracked exhaust manifold with a new manifold. It is great for repairing cracks, small gaps, seam connections or holes in exhaust manifolds, pipe connections, mufflers, catalytic. the crack needs to be stop drilled, nickle rod will work it is nessary to only run about 1" bead at a time then peen bead with chipping hammer. The gasket blew out on the #4 cylinder. If your manifold is cracked,replace it. I'm moving it over here so it doesn't get lost in cyberspace. J-B Weld ExtremeHeat is formulated to allow for repairs to iron, steel and metal in high temperature environments (2400°F / 1300°C). I have some pitted 409 exhaust manifolds and I'm going to give this stuff a try. They can be obtained through most Carquest auto parts stores. It works for now, but. But it will not bond two parts together like JB Weld Epoxy. “You’ll quickly see how the strength of J-B Weld silicone products makes them stand out from all the rest,” Hollis says. J-B Weld is proudly made in the USA J-B Weld Hi-Temp Red Silicone Gasket Maker and Sealant is an RTV (Room Temperature Vulcanized) Silicone gasketing material, designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550 degrees F or 650 degrees F intermittent might exist. Re: JB Weld for Exhaust manifold? For what it's worth, or what the boat is worth to you, I had someone nickle weld my cast iron manifold a couple years ago and it has been rock solid. Let it set up properly. OK, but will it work on an exhaust manifold? _____ Probably not. If you are wanting to fix a crack in an exhaust manifold rather than replacing it, you would need to clean the manifold up, weld the crack, and clean the surface up to a true connection as the manifold will distort when it gets very hot during the welding process. One way to break down epoxy bonded joints is to heat them with a torch. haven't measured temps at that location yet with my IR meter, but will shortly. To get back on topic: JB Weld will not hold up for any length of time on an exhaust manifold/stud/O2 housing; it will just melt away with a nasty smell to it. Force bandage into small cracks it molds and conforms easily. Someone else said JB Weld is rated to 600 degrees F. JB WELD J-B EXTREME HEAT 1300°C HIGH HEAT PASTE EXHAUST MANIFOLDS STEEL METAL Classic Car Cold Weld Epoxy. With any luck and if all goes well… before the weekend is out, I’ll be using the JB-Weld Method on the GM Atlas Engine Head and finalize the repair of the cracked inner portion of the #6 Cylinder Outer Exhaust Manifold Bolt Hole. One of these was a model of a sperm cell. Non-flammable, it contains no solvents or Volatile Organic Compounds (VOCs). The exhaust manifold was retained by four 1/2 exhaust manifold clamps so that we only had to replace two of the rings and glands. Expert crack repair range from small to large cylinder head, manifold and engine block application. But it should be an available repair - vs - finding a used or new manifold readily available. So will JB weld work on an exhaust pipe?. THE ORIGINAL COLD WELD: JB Weld was developed as an alternative to torch welding. A cracked exhaust manifold. Great for repair and rebuild dry rot and knotholes, window and door frames, screw holes, insect damage, furniture carvings, and handles and knobs. Mine cracked. 0 out of 5 by 2. In fact, I was surpised upon running the engine up to full temperature, that I could touch everywhere on the manifold without burning my finger. If so, then I believe either Marine Tex or, as Andy mentions, JB Weld could be used satisfactorily. Let it set up properly. I bought a used stock intake and exhaust manifold, only to find a 3 inch hairline crack in the intake manifold where the isolator plate goes. Just try to force some of the JB into the crack and then some around the threads of the screw that you are going to use, screw it in the stud, and then, if possible put a pair of needle-nose vise grips on the stud and leave it all alone until it sets up real well. Wire brush or sand to remove loose rust and dirt. The recommended material was Moglice, at around $80 a one-use can. I am considering using JB weld to try a quick fix. I want to try to repair this before getting something different for exhaust. Unlike most cold weld products, QUIKSTEEL XTREME can withstand direct flame contact. friend of mine used to patch his exhaust with aluminum cans and something else. Rated 5 out of 5 by ham8888 from easy to use i bought this hi temp epoxy a couple weeks ago and it works terriffic. Someone else said JB Weld is rated to 600 degrees F. Re: cracked exhaust header repair? The problem with just welding up the crack is that it is only a matter of time that it will crack again. i got a complete revo pipe and header off ebay for 20$ plus 5 for shipping. Re: JB Weld for Exhaust manifold? For what it's worth, or what the boat is worth to you, I had someone nickle weld my cast iron manifold a couple years ago and it has been rock solid. Ideal for heavy machinery, trucking, bus lines, automotive, marine, and RVs. There are many cold weld products out there some are imo better than JB for ease of use but it will work. The most important thing with JB-Weld is clean the parts your mending very well, before applying it to the surface. How to weld aluminum, cast aluminum welding and welding cast iron. Make your repairs, then place the manifold in your kitchen oven at 500-degrees for 24-hours. Then after about 6 hrs. I wonder if JB weld could be used to make this repair? I'm not sure that I could get JB weld IN the crack. 4L Exhaust Manifold Leak Repair video. PERMATEX® Hi Temp. Most people simply replace a damaged manifold without even trying to fix it or after an unsuccessful attempt at repair. good luck getting bolt/nuts off. I have read Barneys take on welding a cracked stud hole/flange but what is the consenses on a crack in this position, is this a do-able repair. As I look back, it became a challenge rather than an accepted method of repair. You can patch an exhaust and even reconnect broken exhaust pipes with some beer cans and some hose clamps. Anyway let me know your experience with it and how it held up. When fully cured, this metallic compound can be drilled, machined or sanded. The Honda shop told me I had a crack in the exhaust manifold on my Civic and that it was going to be expensive to replace. The rods are a bit expensive and the welding is time consuming. They said it worked well on a HOTengine. Buy J-B Weld 50139 Plastic Bonder Body Panel Adhesive and Gap Filler Syringe - Dries Black - 25 ml: Corkscrews & Openers - Amazon. If you have never used a welding torch or. In a pinch at a race track I JB welded my throttle body on the intake manifold (weld was cracking). Only then can you repair weld it. i fixed 1 once with jb weld. April 28th, 2011 at 1:10 pm; My best ever JB Weld repair was on a now-ex girlfriend's Corona. But there is a similar product that does. J-B Weld ExtremeHeat is formulated to allow for repairs to iron, steel and metal in high temperature environments (2400°F / 1300°C). now i dunno if me wrapping my header with exhaust wrap(btw the jb weld repair was done on the headers) and when i started driving my car i noticed some weird burnt smell, but i figured since this is a fresh swap and it was pretty much the first day out im just burning off coolant and oil spills. When fully cured, this metallic compound can be drilled, machined or sanded. Classic Car Cold Weld Epoxy Cracked Radiator Transmission Manifold Repair 1 product rating - J-B Weld. Looking down into the exhaust manifold, you can see the cross over passage circled in red, there is a similar looking one going to the left. Since Nissan wants almost $200 for a new one, they are non existant in junk yards, and no pre-made header is available, what are my options to repair it. the crack needs to be stop drilled, nickle rod will work it is nessary to only run about 1" bead at a time then peen bead with chipping hammer. Make your repairs, then place the manifold in your kitchen oven at 500-degrees for 24-hours. Easy ordering & convenient delivery. Posted in Repair Hacks Tagged engine, epoxy, JB Weld, repair, weld. I have seen their repair on a cast iron exhaust manifold and was impressed with the finished product. I'll report back here how it worked. One thing I noticed when shopping for JB Weld is among the half dozen or so versions, there's a clear version - "JB Clear" I think - that seems to offer a stronger bond than even JB Original. You mix it up like JB Weld. When fully cured, this metallic compound can be drilled, machined or sanded. If ford would have just engineered it right and spent the extra dollars to put nuts and bolts we wouldn't have this problem. Get product details, choose a store, and get directions. Repair Any Part Stronger than New in Minutes-Without a Welding Machine Repair aluminum cracks in engine blocks, wheels, and aluminum heads. If so, then I believe either Marine Tex or, as Andy mentions, JB Weld could be used satisfactorily. The Honda shop told me I had a crack in the exhaust manifold on my Civic and that it was going to be expensive to replace. Re: JB Weld on Exhaust Well guys, I broke down, bought a Miller 150 MIG welder, and did it myself. I have a cracked exaust manifold on my 98 Frontier. Great for repairing cracks, small gaps, seam connections or holes in exhaust manifolds. They can be obtained through most Carquest auto parts stores. Cracked License Plate. If not the rust and visible water dripping it would be difficult to see. JB Weld is made up of a resin and a hardener. I have used it to repair cracks in blocks but there was never a lot of stress on it. I covered the weld repair with JB in the hope it would catch any porous or leaks. while you can make. To patch an exhaust pipe, start by jacking up your vehicle so you can inspect the exhaust pipe and locate the leak. I ended up using a high dollar clamps to fix it. JB Weld ExtremeHeat is not an adhesive like JB Weld epoxy, meaning it is not designed to bond two parts together; it is intended to repair cracks and holes in high heat parts. Prod 26346. I'll report back here how it worked. Can I repair a cracked. They said it worked well on a HOTengine. I have not had a CEL appear and have had the crack for 1k+ miles. My question is, how many of you that have done this repair have had the bolts snap? If they did snap, how did you go about getting the bolt out in the confined space?. This stuff works. I do it almost every day as we repair heads and manifolds. If you try to repair the crack merely by welding over it, the oxide layer will keep the crack from mending, and it will still be there after welding. I dont have the money to buy a rebuild yet or even to get a junk yard unit. Ideal for heavy machinery, trucking, bus lines, automotive, marine, and RVs. I've seen others report success in using JB weld to repair engine blocks, etc. You can get buy for a surprisingly long time by carefully stuffing steel wool into the hole as well. A common characteristic of keeping older equipment is that some parts to make repairs can be extremely difficult to locate. 127000 mi After a year of no problems, IMA and CEL are on. Then jb weld it, let it dry. Every now and then you have a good day and you are lulled into thinking it's not so bad. I had to buy one pair that was correct and one pair that was close enough (that I ended up using jb weld to fill in the gap) That is a thought too. Great for repair and rebuild dry rot and knotholes, window and door frames, screw holes, insect damage, furniture carvings, and handles and knobs. Unfortunately, I had to rig an adapter to connect it back to the previous-generation exhaust system at the bottom. Cleaned up real nice but the thermo rod is still frozen - at about half mast - I guess I can live with that. Exhaust Manifold Crack Repair Jb Weld.