J JohnBrowning Joined May 1, 2003 Messages 9,448 Location USA Jul 23, 2008 #3 How Much Will It Charge To Fix An Exhaust Manifold? . Issue: A leaky exhaust repair tips. Check the "goop" isle of your local auto parts store. But when I went to remove the plug, it broke off. Cures with or without heat to repair, seal and insulate the exhaust system. The JB Weld was very good. Are you willing to bet your great running engine on a JB weld repair? Has anyone put JB Weld on an Exhaust leak? Like x 1; Agree x 1; Sep 28, 2019 #13. krazykuda Well-Known Member FABO Gold Member How-To Section Editor. if i was going to remove the manifold, i sure wouldn't be jb welding it. Recording Date: March 17, 19, and April 12 of 2017Location: Fresno, CaliforniaI try repairing cracks on an exhaust manifold with JB Weld Extreme Heat.Update:. mikeg205. I agree with Case Guy , have it brazed. Might want to try metal putty instead of JB though. I even used it on the thermostat housing on an old beater Ranger I had when one of the bolts broke off in the intake manifold. its just gonna crack again unless you can weld it from the inside too which is a waste of time for the cheap ass price of a . Yes, you may see a high surface temperature right there. Feb 28, 2006. you can helicoil it while the head is stil on the block, in the truck. Take a look at our video on how to weld a cast iron exhaust manifold using 72 and 77 rods. Mopar Exhaust Systems. Make a correct repair by replacing the manifold, and eliminate the worries. The ports will fill up with soot from the exhaust. If the crack is not close to the head, it might work better. OP..spend the 10 bucks..follow the prep . It was also mentioned that the exhaust manifold should be shotgun replaced at the same time since they are prone to failure (cracking and ticking). This product is water based, non-flammable and contains no solvents or Volatile Organic Compounds (VOCs). It will cure within 20 minutes if heat is applied to it with either a heat gun or by letting the engine run. Can you JB Weld exhaust manifold? Im likin' that RTV idea, i could just spread it on with my finger. Replacing the exhaust manifold is costs between $996 and $1,099 on average. (Not JB Weld) VersaChem's exhaust manifold repair, or ThermoSteel, is said to be good to 2000 degrees. HighHeat is rated at a tensile strength of 800 psi and cures to a machine grey in color. While the exhaust manifold may be 1500 F or so, the water jackets in the cylinder head and the exhaust manifold insulating gaskets should keep the temperature down significantly from that. 2000 F150 4x4 ext cab 5.4L Only 55,000 miles but a Wisconsin rusted truck. I've been wanting a MIG for . Great for exhaust manifolds, tail pipes . 1 - 6 of 6 Posts. I had a gas tank drain plug installed in my Camaro by having an O2 sensor bung brazed on when the tank was new. Remove the wheel and tire and then the inner fender liner to gain access to the exhaust manifolds. This way the water pressure won't push it out. It is great for repairing cracks, small gaps, seam connections or holes in exhaust manifolds, pipe connections, mufflers, catalytic converters, outdoor grills, fire boxes, gas and commercial furnaces and water heaters. Was warned then that the job could be $600-1500 or 2000 if the studs break. Automotive; Metal; And More; Get The Safety Data Sheet. Mechanics -- you can use J-B WELD with confidence. I used JB Weld on an aluminum cylinder head that held for about 2 years but does not get that hot.The POR 15 people make a FIRE SEAL 2000 product to repair cast iron manifolds but I have no experience with it 1-800-457-6715 for a dealer. jb weld "extreme" is rated at 2400, while others i've found are rated to 500f. 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. Step 1 - Assess the Damage First, remove the cracked manifold from the vehicle by removing the holding bolts from that section. Can you use JB-Weld to Repair Exhaust pipes? When fully cured, this metallic compound can be drilled, machined or sanded. If the person doing the welding is inexperienced. Because the manifold is made of forged steel, and forged steal is rather difficult to weld, I decided to try and use JB Weld's original cold welding epoxy system. If your friend's ultimate goal is to fill the engine with water and destroy it, JB Weld or something similar is an excellent choice. DentalDart Well-Known Member. Includes one 2" x 72" repair wrap, a pair of gloves and aluminum tape. If . Hello, Like many others, my anodes on my exhaust (06 MCX ETX) need to be replaced as they have corroded enough that they will need to be replaced. Post Cancel. Then, take the damaged manifold off and look closely at the damage. What's Included. Clean the part thoroughly with a foaming engine cleaner. Metal Repair Compound Makes long-lasting repairs to high-temp, low pressure exhaust leaks from the exhaust manifold to the muffler. The ends can be plugged with a 9/16 or 7/16 th bolt, whether you want to cut the head off flush with the surface is irrelevent. In detail, the labor costs are between $248 and $314, and the price of the parts is around $748 to $785. The tapered plugs then squeeze the crack shut. . The tensile strength of JB weld on cast iron is 3960 PSI. Spray a liberal amount of cleaner onto the manifold, then allow it to sit for 20-30 minutes. Can JB Weld fix a cracked exhaust manifold? I could never recommend using JB Weld to repair your manifold. The number for an exhaust manifold repair cost is an average of between $570- $900, with the labor taking up the majority of this price at between $400 and $550 of that, and the ports running you between $130 and $340 for the total cracked exhaust manifold repair cost. A dark grey hue is achieved in 4-6 hours at room temperature using J-B Weld adhesive. the metal is weak passed the visible crack. The manifold could even crack and cause a leak and this needs replacing the entire manif. PRODUCT FEATURES AND STRENGTH: J-B Weld HighHeat has lap shear strength of 800 PSI at room temperature and 600 PSI at 400oF (204oC) or more. [#10] Quoted: I don't know about further back on the exhaust system. Answer (1 of 6): It depends on how your engine is setup and what engine it is. Unfortunately, I had to rig an adapter to connect it back to the previous-generation exhaust system at the bottom. 01-14-2014, 09:25 PM. I had a cracked exhaust manifold on an old 283. It works well on steel, iron, copper, stainless steel, and most other metals that endure high heat. I didnt know if JB-Weld would work or if I should go with something else. J-B Weld ExtremeHeat is formulated to allow for repairs to iron, steel and metal in high temperature environments (2400F / 1300C). Delivery Sep. 09-12 Add TO CART J-B Weld Exhaust System Sealant 3oz Part # 37903 SKU # 202229 $959 Free In-Store or Curbside Pick Up SELECT STORE Home Delivery Standard Delivery It is great for repairing cracks, small gaps, seam connections or holes in exhaust manifolds . Prod 26346 . Product information One method is to drill on alternating sides of the crack line at 2" intervals. Can You Weld A Cast Iron Exhaust Manifold? I do not think JB Weld will hold onto that kind of temperature. Messages . High pressure areas like the combustion chamber use overlapping plugs on the crack line. haven't measured temps at that location yet with my IR meter, but will shortly. When properly fixed, it has the ability to endure temperatures of up to 550oF. the manifolds on my 1994 GMC pickup were replaced about 4 years/28K miles ago but i noticed there is a crack on top of the left one. HighHeat is able to withstand continuous heat up to 450oF (232oC) and intermittent heat of 500oF (260oC). ExhaustWeld can resist up to 1100F once it is fully cured! It did not hold up to the heat, but works great on other things. Performance Fuel Tank Sending Units and Components Fuel Pumps & Tanks Fuel Tanks Hardware Carburetor Parts Intake Manifold Hardware Intake Manifolds Fuel Tanks . The heater hose fitting on my aluminum intake manifold split and was leaking. Just let it set up like everyone said for at least 24 hours before heating it up. Comment. J-B Weld Muffler Cement 6oz Part # 37906 SKU # 567274 Limited-Lifetime Warranty $659 Free In-Store or Curbside Pick Up SELECT STORE Home Delivery Standard Delivery Est. ), or should I weld a permanent repair in the casting? riverjet502 Petty Officer 2nd Class Joined Dec 28, 2006 Messages 116 Aug 17, 2007 Join Date: Aug 2011; Posts: 18449; Share Tweet #7. Inspect the bolts and exhaust system for obvious damage before proceeding. The Cast Iron Exhaust Manifold Repair Kit includes both 72 and 77 electrodes. CURE AND SET TIME: ExhaustWeld can cure with or without heat! Page 1 of 2 1 2 Next > Sep 28, 2019 #1. Y tube videos show great and terrible results with the Extreme Temp stuff. I've used JB weld on a muffler on a 91 Grand Am. Includes one 2" x 72" repair wrap, a pair of gloves and aluminum tape. If you are running a lean code, an o2 sensor code, or you have a leak in your exhaust some repair shops will charge you an arm and a leg to do the repair for you. Regular JB weld and the JB Extreme and Quick steal all specifically state good for exhaust manifolds. It is great for repairing cracks, small gaps, seam connections or holes in exhaust manifolds, pipe connections, mufflers, catalytic converters, outdoor . right now i am debating on buying a new exhaust manifold (port side) or patch the hair line crack with JB weld, the engine is running at a good temp, Steady 175 on the gauge, so i do not think the crack is affecting cooling operation, just dumping some water into the bilge. I've repaired a crack in my oil pan with it and many other things. My leak is at the rear of the exhaust manifold between the head and the manifold. These have been used for years to repair cylinder heads. When time is up, fill a small container up with a sudsy solution of warm water and liquid dish detergent and pour it over the part slowly to rinse it. JB weld is compatible with cast iron. It definitely will not hold up very long on a cracked exhaust manifold. since i don't have a welder at home, i'd just replace it with a good piece. SO no way a JB weld putty stick which claims it will bond an exhaust manifold, when the product actually states it can only withstand 500F. As Billr says, it is a different type of material than the old two part JB Weld epoxy (Which BTW also specifies it can be used on exhaust manifolds). This cost doesn't include fees and taxes. Suggested Applications: Cracked and broken exhaust manifolds, headers, furnaces. . Some drivers have attempted to use heat-resistant epoxy, such as JB Weld. But jb weld can not be used on the exhaust when the damage is so deep that only repairing exhaust parts will solve the problem. Or does anyone have an exhaust manifold body? This works fine for water jackets. J-B Weld HighHeat is designed for DIY repairs on exhaust manifolds, tail pipes, mufflers, engine blocks, duct work and other various high temperature projects. Feb 10, 2009 Some of you may have been following my thread concerning the $2449 estimate I received from my local dealership to replace my exhaust manifolds and b-pipes. Had the right side exhaust manifold fixed at a shop two years ago and luckily went smooth. In the meantime, I'll try the high-temp JB Weld as a stop gap repair. You must remove the exhaust manifold and SCRUPULOUSLY clean the crack and surrounding area down to clean, bare metal. Posted: Mon Mar 18, 2013 6:20 pm Post subject: Re: Will JB Weld work on an exhaust manifold? And no, J-B weld won't work. sometimes you just have to make it After 8 hours, it can be drilled, tapped, machined, ground, filed and painted. It's not ideal to use RTV to fill in the leak. I thought of wire-welding it shut, but decided to install the next-generation manifold. . Exhaustweld; Repair Wrap; 2 Inch X 72 Inch; ExhaustWeld Total Exhaust Repair Wrap is a high strength fiberglass wrap, impregnated with a specially formulated resin for high temperature resistant repairs. Extract and change fault exhaust manifold Check exhaust bolts, clean the cylinder head Install new exhaust manifold and gasket Start engine to inspect for any exhaust leaks The default engine in most single cars is V-shaped with two exhaust manifolds connected to it. JB has it's place, but this is NOT one! I know in order for it to work..and do it's job..the repair site must be prepped correctly.. Welding a manifold is sometimes a bad option. Some people get nervous around trying to tackle the job themselves but doing so will save you some money and it isn't as difficult as it may look. If the leak is at a gasket you need to remove the manifold and replace the gasket. this isn't welding, it's a stop-gap, emergency type repair. Versatile & Dependable: Ideal For Repair Work On : Exhaust Manifolds, Pipe Connections, Mufflers, Catalytic Converters, Outdoor Grills, Fire Boxes, Gas And Commercial Furnaces And Water Heaters. "Further back" in this case is 2.5 inches downstream of the exhaust port. . I didnt' have the time to fix it right so I just JB welded the whole . Manifold Repair. Without heat, ExhaustWeld will set in 20 minutes and cure in 2 hours. CURE AND SET TIME: After kneading the two part formula together by hand, HighHeat takes 1 hour to set and cures in 8 hours. Will it work? Can it hold our. 96 XP . J-B Weld should not be used on exhaust manifolds or catalytic converters because of the high temperatures that can be . Easy-to-use hand mixable putty stick. Rick E. (aka RicardoMarine) Gresham, Oregon 2850 Bounty Sedan Flybridge model Twin 280 HP 5.7's w/ Closed Cooling Volvo Penta DuoProp Drives Kohler 4 CZ Gen Set Exhaust Resonators Exhaust Heat Shields Exhaust Adapters & Connectors Exhaust Tips Exhaust Hardware Muffler Installation & Repair Exhaust . easy access, thought i'd try an epoxy repair. About 1 year ago, I used J-B Weld ExtremeHeat High Temperature Paste, for sealing 2 exhaust joints on the outside of an exhaust repair - about 4 feet from the exhaust manifolds - so it gets pretty hot there on steep hills at wide-open-throttle. One part, water-based ceramic is safe and easy to use. If he wants to actually repair the problem he needs to purchase and install new manifolds and risers. You can make this type of repair with a very small welder and still fix exhaust manifolds for a variety of vehicles, including cars, RVs, trucks, buses, and more. PRODUCT FEATURES AND STRENGTH: J-B Weld HighHeat has lap shear strength of 800 PSI at room temperature and 600 PSI at 400oF (204oC) or more. Within 15 to 24 hours, it reaches full cure. i'd be putting a new one on it, or getting a die grinder, opening up the crack, and welding it back up. Super Moderator. MCX Exhaust Manifold Repair 01-14-2014, 04:49 PM. A 77 rod is the best for cast iron manifold, which I believe these manifolds are, actually, I know they are because they weld so well with the 77 rod. Not the official correct way,. It is designed for safe, reliable, permanent repairs in engine compartments and heated environments up to 500 F. It's strong as steel and impervious to water, gasoline, chemicals, and acids. 6. . If the ends are plugged, it doesn't matter anyway. The raw water pump (seawater pump) is for cooling the exhaust manifolds and doesnt circulate through the engine block/heads. It worked. i am going to have a local shop here helicoil my first and last studs. Like i said, this is only a temporary fix, im not looking to jerry rig it permanently. In 15-24 hours, a complete recovery is achieved. It is able to withstand continuous heat exposure of 400F and intermittent heat exposure to 550F. This product has a tensile of 3960 PSI that cures to a firm bond in one to two hours after being applied. It is great for repairing cracks, small gaps, seam connections or holes in exhaust manifolds, pipe connections, mufflers, catalytic converters, outdoor grills, fire boxes, gas and commercial furnaces and water heaters. The only pressure is from the water pump. They do; however, make other products specifically designed for sealing exahust. Depending on the make and model of your vehicle, there will be either two or three of these. J-B Weld HighHeat set and cure color is machine grey. Exhaust manifolds can be tricky. The bond hardens overnight. Clean the area real well with brake cleaner, put a little epoxy on it, put some wax paper over it and bolt down the manifold. JB Weld ExtremeHeat is perfect for making repairs on all manner of high-heat parts, including exhaust manifolds, mufflers, catalytic converters, exhaust pipes, engine blocks, fireplaces, smokers/fireboxes, and many more crack-prone items.Click to see full answer. You can tie knots in a brazing rod. they said if i take off the exhaust manifold and put it back on after, they will do the job in the truck for $60. JB Weld ExtremeHeat is perfect for making repairs on all manner of high-heat parts, including exhaust manifolds, mufflers, catalytic converters, exhaust pipes, engine blocks, fireplaces, smokers/fireboxes, and many more crack-prone items. Having used JB weld products. Works on the entire exhaust system and withstands temperatures up to . Working with J-B WELD is quick, easy, and convenient -- and saves you time, work, and money! J-B Weld HighHeat set and cure color is machine grey. Works on the entire exhaust system and withstands temperatures up to 1100 degrees Fahrenheit. compound can be drilled, machined or sanded. When fully treated, it can withstand 550 degrees Fahrenheit. JB Weld em OH-IO! 2. After it dries take off the manifold and take a die grinder and clean the epoxy that might squish into the port.
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