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How to install exhaust donut gasket

how to install exhaust donut gasket If it's a BB stock setup than it uses a flat gasket. Do you hand tighten the nuts or are there some torque specs? Got a 351w in a 69. Trying to get my manifolds back on I see that the old donut gasket seems to be fused to the exhaust pipe. With patient and a lot of WD40 you can replace the doughnut type gasket, cost a few bucks in your local auto parts. *Important Note: This is a lead gasket with a metal mesh interior so use caution when removing. . I have a 1994 Cavalier 2. I plan to remove the 2 bolts (each with a spring around them) to separate the rear cat and the rear exhaust pipe. I have had problems with mine leaking. This is for removing the large donut gasket between the muffler/can and collector within the exhaust system. once the new gaskets were installed properly and everything tightened up the right way it's a completely different truck. If I'm not, and these "new ones" replicate in a similar fashion to the gasket I got to put between where the bottom of my exhaust manifold meets the cat converter, I can tell you with confidence, the "shiny side" goes to the manifold side. its a p. Re: Changing exhaust up-pipe gaskets If you take out the exhaust manifold, which is not that hard once you take out the inner plastic fender, the up-pipes come out really easy. 1. Exhaust leaks at the head will erode the mating surfaces, and then you must use a gasket. com. My mechanic friend said I likely needed to replace the donut gasket at the exhause manifold. Figured I bring this thread back from the dead and let you know that Napa and Autozone have a donut gasket that does work! I have to replace the flange/donut gasket on the drivers side where the manifold meets the exhaust. $26. Hey guys, So I just got an UR Cat-Back exhaust, and it only came with one gasket that was left over (bought it used) Im wondering if to install it I could use some Liquid Gasket maker like Permatex . I'd like to clean out the surface rust on the flanges and put some rust converter on the flanges so they'll last longer. I think I have a small exhaust leak because I hear a ticking noise and you can see a little soot coming from the bottom of the gasket. A donut gasket is often used to seal a vehicle's front exhaust pipe and manifold connection. I dont recall a doughnut used on my 86 vanagon, except on the long pipe where it meets teh two into one adaptor. Hole, 11/16 in. As you pull the exhaust manifold off the studs, carefully let this bracket fall away. Haven't had a problem since. Its basically a double sided donut that will fit two flared ends that clamp together. Gm 25731281 Exhaust Flange/donut Gasket/exhaust Pipe To Manifold Gasket. So, I checked online, with the local part stores and NONE of them list any kind of gasket (donut style or anything)! The first photo is a poor shot of the passenger exhaust manifold to downpipe connection with the sintered metal donut gasket. ) Positioned under the exhaust manifold is a water heater tube secured by a small bracket placed over one of the lower mounting studs. I have a 1994 Chevy Cheyenne 1500 pickup truck with a "Y" split exhaust that had an exhaust leak coming from the right side of the car where the pipe connects to the manifold and there is an exhaust donut which makes a seal between the pipe and manifold the donut has been torn and rotted away so it is in need of replacing any idea on how to do it? This reduces the distance between the header flange and the head, which creates the same effect as loosening the bolts. GM manual discribes them as improved design. Visit our website to see our live inventory and free shipping options. Im assuming you are talking about the donut gaskets at the manifold, and not the donut gaskets at the cat? If so, the muffler shop has a gasket that is shaped like the flange. To replace the entire exhaust system from the manifolds back will the amount of exhaust out, and have exhaust gaskets last forever. I know that SOC has the gasket but would prefer to source locally for time and shipping expense reasons. Squeezed like cream filling between the single hottest part of your engine and the heavy exhaust system that follows, the donut gasket is subject to a remarkable amount of stress, hardening and degradation over time. The exhaust header can be “hung” on a few bolts or studs, then the gasket can be slipped into place and the rest of the bolts assembled. if you can't get the gasket mating surfaces flat, clean, and smooth, have the parts machined by a machine shop for a few bucks. The exhaust gasket, or "donut", was made by Walker, I believe PN 31533. The exhaust manifold flange gasket on some vehicles is shaped like a donut (hence, "donut gasket") and on other vehicles it is a flat gasket. After thinking the exhaust leak was coming from the manifold; bc I thought there was a crack in it which there wasn't. This gasket is often used to prevent exhaust leaks between the cast-iron exhaust manifold and the exhaust pipe of an automobile or truck. You'll need a couple of wrenches or deep sockets to remove the manifold. The flange on the exhaust pipe itself may be bent or deformed. I have an exhaust leak where the exhaust manifold meets the downpipe. Once the connection is free, pry out the donut. It is 3 inches ID about 3. An exhaust gasket that really works! 100% graphite construction means Remflex gaskets can take the heat-up to 3,000º F! A built-in 50% crush allows Remflex gaskets to fill gaps in headers or exhaust manifolds up to 1/16-inch inch. On smaller-displacement engines in front wheel drive cars and most engines in rear wheel drive cars, replacing a leaking exhaust manifold gasket is quite easy. Shop the industry's largest selection of Exhaust Header & Collector Gaskets at Jegs. for the most part it does the same thing, but just if u wanted to know thats the other name Exhaust Manifold Gasket Replacement Cost Estimates. 2 Liter. It was made of a composite material of some sort, about 1/2" thick, flat on the side that fits on the exhaust manifold with a indented fitting ridge, and domed on the other side for bolting on the down pipe. Hello, the gasket needs replacing, there are two bolt/studs at the head, I remove the bolts, then donut heavy metal thing, the thin circle thing, pull off the exhuast pipe, and what should I see in I've got a 94 Miata and I recently installed an aftermarket exhaust (raceland header, magnaflow cat, midpipe, brainstorm dual muffler). 5" Exhaust Gasket 2-Bolt 62mm Flange High Temperature Graphite for Headers, Catback, Axleback, Downpipe (5 Pack) Can anyone tell me if the manifold to exhaust gasket (donut) for the 8. Place the gasket between the flanges. I'm familiar with a "donut" type asbestos gasket on your older chevy's which seal the cast manifold to the exhaust pipe. R. The heat fused everything down there. Then check and see if remflex makes a version of it. Re: Donut Gasket Post by nugget68 » Thu Dec 24, 2009 3:04 pm 99 extended cab, has dual exhaust, not true duals but one muffler with two outlets. This gasket is the correct one for a Grimmspeed 3 inch downpipe to OEM catback adapter. The iron doughnut was available from Felpro - don't use a composition one. then the whole unit is slide into the exhaust pipe stopping flush with top of exhaust pipe. That donut gasket between the exhaust header and the CAT converter, the one that looks like a half cut donut and is sandwich together by 2 spring loaded bolt. you will definitely be pulling the motor. The type of gasket thats used is the doughnut type. I'm still getting a loud exhaust sound from the engine bay and confirmed that there is no leak or sound coming from the donut gasket anymore. Install new exhaust manifold in reverse order of the steps listed above. Exhaust system rubber hangers usually fail due to age and heat. I already put a sintered metal, donut gasket. For all flared joints, there is a donut-style exhaust gasket that prevents gases from escaping into the atmosphere. I scotch taped the 4 gaskets to the exhaust ports. make sure debris is not left to get trapped in your catalytic converter. Watch you don't snap the bolts off either. Good! Then use a CB Performance graphite compression gasket for the new flanges, and everything will line up perfect. How to Replace the Up-pipe Donut Gaskets on a 7. Original pipe diameter is 1-3/4" OD tubing. It was shaped like a doughnut and was used to seal it. And how to deal with a manifold gasket leak. so i dont really want to spend the money to get a new muffler system for it. Whether you're upgrading your exhaust pipe gasket for Mustang or repairing your Ford F-250 exhaust seal, you can easily find the perfect component for your exact make and model when you shop with AutoZone. I've recently have had an exhaust leak where the flange from the down pipe meets the manifold. If these gaskets are damaged, replace them with new OEM gaskets. When you tighten the assembly, the gasket is compressed and the soft fiber sealing material is pressed into the cast iron exhaust manifold and squeezed tight between the exhaust manifold and the mounting flange of the steel down tube (downpipe) in order to force it to be constricted into chamfered pilot tube of the exhaust manifold by the triangular mounting flange of the steel down tube (downpipe), and thus achieve its seal. the only company i have found for headers is When you tighten the assembly, the gasket is compressed and the soft fiber sealing material is pressed into the cast iron exhaust manifold and squeezed tight between the exhaust manifold and the mounting flange of the steel down tube (downpipe) in order to force it to be constricted into chamfered pilot tube of the exhaust manifold by the triangular mounting flange of the steel down tube (downpipe), and thus achieve its seal. -- with a 6mm allen sock remove the v-clamp bolts. It is not a triangle-shaped gasket with three holes for flange bolts. All of which is between the engine and the firewall - pretty tight space-wise. The other just has straight sides. I've got an exhaust leak at the flange between the header and the catalytic converter. Run your hand with the engine running (be careful is hot) and check for a leek. Man what a pain. Over time, the expansion and contraction cause the donuts to leak, hurting engine performance and mileage. its technically called an exhaust flange gasket. from what people told me, you remove the donut gasket with a flat head screwdriver, and replace it with a flat one that typically should come with the aftermarket exhaust. Pressing firmly on your old gasket, scribe an outline of it onto the material. Do not tighten the bolts more than a loose finger tight. Some people remove their catalytic converters, but that will render your car illegal for street use. H. This is to prevent gasket from kinking and causing an exhaust leak or cracking the gasket. I've also had the manifold crack, though, so definitely check it. I poured a ton of cheap gaskets down my two 2. I put some exhaust sealant on the broken gaskets to "glue it" back to the one solid gasket piece and reinstalled it. Walker Exhaust 31372 - Walker Exhaust Flange Gaskets Compare Exhaust Flange Gasket, Donut, 1 Side Beveled, 2 5/16 in. a 2. Take the exhaust apart at the collector , this is where the gasket is. Posted: Thu Oct 13, 2016 7:41 am Post subject: Re: Exhaust Clamp / Doughnut If you use the donut clamps, make sure you install them the correct way. My Club Cab has an exhaust leak that seems to be around the area of where the exhaust pipe connects to the left exhaust manifold. Brand New Workhorse Exhaust Manifold Donut Seal. I have had no luck finding this donut gasket I've got a 94 Miata and I recently installed an aftermarket exhaust (raceland header, magnaflow cat, midpipe, brainstorm dual muffler). Do you need them to work with a standard exhaust donut gasket, or will regular bolts do? The reason I say is b/c my 67 sprite had the very same (except only one pipe) setup - the gasket (I call 'em donut gaskets) was this type and it didn't matter which way it went on. unless your talking about the donut gasket between the manifold and down pipe. Indeed, it is a tough job, but you should be able to find someone that can do it for considerably less. Shop for John Deere exhaust pipe donut flange gaskets at Steiner Tractor Parts. It sure looks like one, but the 'donut' is metal and part of the exhaust manifold: The flange on the Y-pipe just pushes against it due to the pressure from the bolts and it makes a pretty tight seal. clean the area thoroughly. Upgrade your exhaust system with quality aftermarket parts from K Series Parts. Only a mornings work. My 1989 Southwind 454 GM has two piece exhaust manifolds, a front piece and back piece that connect by what looks like a slip joint. nice and quiet and a lot Anyone install an exhaust manifold doughnut gasket? Hey all, anyone ever have their exhaust leak at the manifolds to head pipe connection? They have those solid flares there, I do not believe there is supposed to be a gasket, but mine leaks slightly no matter what I do to it. It's a FelPro gasket and I've read that they don't last as long as an all-steel donut, but it's what they had. Original issue donut seal measures 1. Squeezed like cream load between the single hottest imprison of your engine and nobility heavy exhaust system that comes from, the donut gasket is corporate to a remarkable amount. Loosen two bolts on exhaust manifold and replace donut If it's an 8-valve, then it's probable that the exhaust header has burnt through where it transitions from vertical to horizontal just before PARTS Exhaust flange gasket - sometimes called a donut gasket New exhaust spring bolt kit - Can reuse old spring bolt kit if it's not rusted out Split Flange - Make sure the inner diameter is large enough to go around the midpipe. Part of the series: Auto Repair Tips. The donut slides on fron the bottom with the lip at top stopping it. Most exhaust systems do not have the sleeve to centerthe fiber seal, and the fiber seal just floats around, ready for blowoutat any time. I laid the exhaust manifold on a block of 2x4 to keep the mating surface off the table, then I inserted the bolts through the holes into the gasket. There are 2 types. Get one for a 67 ford f-100 with 352, it fits and are made of steel. The stock Ford up-pipes are designed using a crush donut gasket to seal the up-pipes into the y-collector. Also note that the gasket is only rounded on one side. I was woundering if anyone had any tips for replacing the donut gasket since i havent done it before. My 91 4. Exhaust Manifold Gaskets Fel-Pro® Performance exhaust header gaskets have “slotted” bolt holes to allow for easier installation in tight bays. Got a 351w in a 69. 9. 24. If the flat gasket does not seal it than you have either have a misalignened exhaust pipe or the stock manifold has been milled on the head side to eliminate a leak, this can cause misalignment to the flange and exhaust pipe joint or the flange/s are warped. In doing so I noticed for the first time my exhaust is farting something aweful. the ford 460 is a real pain. Exhaust "donut" gaskets don't exactly live the sweet life. 3L Power Stroke can be caused by a number of problems, including a leak on the compressor side of the turbo plumbing, a leak on the exhaust side of the turbo, or a combination of both. 30. yes im 100% sure that it is where the whole is. When installing the h-pipe onto the stock manifolds (with donut gaskets sandwiched between), I find the flared ends of the h-pipe touch the manifold, and the edges of the h-pipe mounting flange (the piece with 2 holes for the studs) also bottoms out against the manifold when tightening the attaching bolts. Donuts can be ordered by giving the size, material and type of connection you want to make. When tightening new manifold bolts, be sure to start tightening bolts in the middle and then work your way to the left and right (illustration below). You can probably create your own spring bolts from stuff from the hardware store. If you ignore this you may end up dragging the exhaust pipe down the road. Put the bolts that Invidia supplied in the holes, and attach the midpipe. Re: Ford 460 exhaust Manifolds: bill: 2-25-08 : I have a 1988 allegro class a motorhome and have exhaust manifold leaks. Order from Steiner today! Exhaust Manifolds. Cylinder head gaskets. Guaranteed lowest price! Installing Bellowed Up-pipes on your diesel truck is the perfect solution to the all too common diesel exhaust leak. Install the nuts onto the studs at the rear head pipe flange, but do not tighten yet. 3L Power Stroke Diesel A low boost condition on the 7. its a seal on the piping to seal at the collector , it may be hard to c it cause it will be dirty n greasy and could look like a solid piece of the exhaust , but its a donut shaped ring that slides over the end of the pipe. However, there can be donut gaskets used in other locations downstream in the exhaust system of certain vehicles. Exhaust Gasket. 3L & 6. Step 5 – Installing the New Exhaust Flange Gasket To install the new exhaust flange gasket, insert it into the area between the head and the flange. I. I think I'm gonnna replace both sides, and want to do it right. How tight do I torque the bolts? Best to take the wheel off. Thanks for commenting, It seems the donut gasket is commonly available at all the local stores for 10 bucks. This one is for a John Deere H tractor and replaces H1061R. What Happens The exhaust up-pipes were designed using a crush donut gasket, which seals the top of each pipe to the turbocharger’s Y-collector. It keeps the pipe flange and gasket centered to the manifold outlet and was a factory item on many cars and trucks. replaced them both on my wife's 98 Suburban and even with brand new donut gaskets in them there was still exhaust leaks and it sounded all throaty and weak. I decided to replace the exhaust pipe & muffler, & after breaking off a bolt that holds the pipe to the manifold, (always happens to the bolt "in the back") I am having a difficult time finding the manifold to exhaust pipe "donut" gasket. 3L Ford Powerstroke Turbo Re-Install Kit $ 111. i broke most of the bolts to remove the manifolds and had no luck drilling them out. The new down pipes came with some gaskets but it continues to leak. I used the old 302 exhaust l manifolds, which requires the use of exhaust donut type gaskets between the manifold and exhaust pipe. On Sale. See Picture 8. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. I've ordered the Banks Stinger Cat-Back system and purchased the donut gasket from my local Jeep dealer. This helped prevent burnoutof the fiber seal. It's a gasket! 5 years ago JMW Bought to install with a Cobb turbo back, slips right over the downpipe and the taper on the midpipe sealed up great. After having to torch the old bolts out i got a new "walker donut gasket" any one have experience with these the fitment seemed horrible I had to also order new spring bolts as well to The exhaust manifold takes a donut where it mounts to the engine pipe. Now slowly and evenly tighten the nuts. The design of the manifold and the seal provided by the gasket assist in exhaust scavenging, where gas exiting from the cylinder leaves a vacuum which pulls in more of the air/gas mixture. 7s until I finally sprung for the OEM gaskets. When opening any exhaust bolts, they have been subjected to lots of heat and are frequently stubborn to remove, be patient, use a good quality penetrate on the hardware prior to removing the nuts and bolts and use properly fitting sockets and wrenches, (six sided sockets as opposed to 12 point sockets will give better results). The second and third photos are of the factory GM pickup dual exhaust bends at the exit location and the cutoff at the end. Any idea of the proper size? I went to the FLAPS and got a 2 inch donut, but it appears as though it is a little too large and something smaller would work better, like a 1 3/4 ". I want to put the new donut gasket in. 00 is nothing compared to the headache of a whistling exhaust leak. That way when they (ypipes and donuts) fail and they will you will have everything to get it done. Commonly referred to as a "donut" gasket. When I got it 2 1/2 years ago it had an exhaust leak, it was the doughnut between the manifold and pipe. 1,500 deals for how to install pipe hub donut + Filters and Sorting. cat if it was not for the slight oversight on my part of the stock donut gasket not fitting. Completely shot and falling apart. Do you know where I can purchase this donut? The 534 Gas engine should use the same exhaust. The OEM gasket is a round circle with a hole in the middle (aka donut). First off, can anyone with the spt chime in with whether or not there is a gap between the pipe ends when using the donut gasket. The shape of the gasket resembles a donut and it seals the exhaust pipe that has a ball flared end. So i figured just replacing the donut gasket might be worth a shot. Mines leaking and needs to be replaced. Then I lined up the rings (on the manifold)to the pins(on the engine) and popped a nut on the pin to hold the manifold to the motor. Exhaust pipe- the old donut gasket has been removed and the mounting surface is cleaned of all old gasket material. Learn how to install exhaust donuts with help from an expert in the automotive industry in this free video clip. The average cost for an Exhaust Manifold Gasket Replacement is between $134 and $468 but can vary from car to car. Two of my local autoparts stores didn't even show a gasket, donut, etc for the driverside, only a donut type for the passenger side. About the Author Robert Holcomb is an expert in the automotive industry. Best Answer: Exhaust manifold flange gasket is the proper name. I. s. Anyone know a part number for a local sourced exhaust header pipe donut? Thanks for the help. An exhaust flange gasket is a round gasket that is commonly called a donut gasket. Exhaust Manifold leaks I plan to remove the 2 bolts (each with a spring around them) to separate the rear cat and the rear exhaust pipe. Thick, Each Lisle make a tool, but most exhaust hangers can be removed by using a long screw driver or channel lock pliers can used to remove the exhaust hangers, I like to spray some silicon spray on them to make installation easier when refitting them. This keeps them from warping. A heat shield will help. I put the original $8 Ford donut, but I am not happy with it, it think it will leak again soon. 767" ID (give or take a couple thou) so it will slip easily over a 1-3/4" tube. The gasket, a cylindrical woven "sleeve" that fits on the end of the left side exhaust pipe just before it enters the "Y," had disappeared, leaving quite a gap for exhaust gases. Gauges & Pods 1994-2003 7. Replace the studs that back out, then insert the new donut. Thanks for any tips. an exhaust donut is a round circular gasket made of soft metals. It this a hard fix? Has anyone had to do it? -- remove the 4 exhaust manifold cover screws (10mm socket) to expose the 3 donut clamps. Finally a store listed one for the driverside, but it was a round, crush type donut. i am in the process of replacing the heads and going with headers instead of manifolds. Re: exhaust gasket If it's two flat flange surfaces yes. If it's a flared pipe with a seperate floating flange than either the pipe it mates to will have an rounded extrusion built in or a thick round "donut" shaped gasket will be used around the mating pipe. There is no donut gasket. I use a short piece of pipe that press fits inside the donut and extends up into the exhaust manifold when installed. Factory-exhaust head pipes utilized a sleeve to center theexhaust-manifold-to-head-pipe seal (donut). Below on the left is the old gasket. I'm thinking of removing the rear motor mount inserts as they seem to have exacerbated the whole exhaust sound problem. The gasket is made from multiple layers of metal and there are tabs that hold the bolts. 8L, 5. Cylinder head-to-block sealing requires a combination of properly prepared deck surfaces, the correct type of gasket, and the correct clamping force. I was installing my shifter bushings today and realized that the donut gasket on my cobb TBE is leaky. About Us. Hello, the gasket needs replacing, there are two bolt/studs at the head, I remove the bolts, then donut heavy metal thing, the thin circle thing, pull off the exhuast pipe, and what should I see in The exhaust pipe flange gasket goes between the catalytic converter and the muffler On the stock set up, there is half donut gasket on both ends of the catalytic coverter pipe, one at the header, one at the pipe to the muffler. 5" downpipe adaptor laying around and just realized I don't have the OEM spring bolts anymore. Exhaust Donut Gasket I recently installed new 2. Then, when you install the manifold gaskets on the heads, the new flanges will have a gap of a few thousandths of an inch. It this a hard fix? Has anyone had to do it? Problem with a squeak in the exhaust is generally at the rubber mounts and straps holding the exhaust pipes up to the truck, not at the exhaust flange. Loosen two bolts on exhaust manifold and replace donut If it's an 8-valve, then it's probable that the exhaust header has burnt through where it transitions from vertical to horizontal just before connecting to the catalytic converter A new header collector can be fabricated in-place at some shops check around. Look at your new gasket and you will see how it slips onto the pipe. my cars muffler has a hole in the donut gasket. This is a discussion on Exhaust Gasket within the Ranger Discussions forums, part of the Polaris Ranger Forums category; I pulled my exhaust pipe so I can have it Jet Hot Coated. After having to torch the old bolts out i got a new "walker donut gasket" any one have experience with these the fitment seemed horrible I had to also order new spring bolts as well to temporariliy get it to work i cut down the old springs to be able to get the bolts in because the bolts were about an inch short with new gasket it it tight but still leaks . I have a 1975 Ford LN880 truck with a 477 Gas engine. Do you hand tighten the nuts or are there some torque specs? So, I figured here was the perfect opportunity to replace that gasket! Off to the local Napa Auto Parts I went. I doubt the gasket is leaking. 09 spt exhaust gasket kit, donut gasket for wrx spt exhaust, gasket kit for wrx spt exhaust, gaskets for installing spt exhaust, spt catback sedan 2014 install instructions Make sure to insert the supplied gasket between the downpipe and midpipe flanges. as far as it running ok, it runs fine. This is the seal between the exhaust manifold and down pipe. So many folks install them backwards. Exhaust "donut" gaskets don't exactly live the fragrant life. Remove the 2 front round rubber access plugs to crack loose the Allen head screws that hold the head pipe to the tunnel once the rear silencer is unbolted from the tunnel. Bolted everything up and there is definately a leak at that connection with the donut. My real concern is the spring bolts because I am driving 45 minutes away while my kid is in school, and the guy is doing the repair and I would hate for him to get the exhaust off and not be able to put it back on. The exhaust pipe flange gasket goes between the catalytic converter and the muffler On the stock set up, there is half donut gasket on both ends of the catalytic coverter pipe, one at the header, one at the pipe to the muffler. if the flange is one of them loose ones then a doughnut is needed. services llc Ricky Hembel 7,002 views. This video demonstrates how to install exhaust flange gasket on a 1995 Jeep Grand Cherokee. You can leave the exhaust mid points clamped to change the gaskets as the pipe will slide back enough to pull the exhaust donuts. Also buy some copper donuts and exhust gaskets,head gasket/. I came across this thread while searching for a donut gasket for my 2010 rzr 800. Our sales coordinators are trained to assist you. This adapter made my Invidia DP install MUCH easier, and, most importantly, with the doughnut gasket, sealed well! As with all GS products, this piece is very "over engineered", with a nice beefy flange and a nice smooth transition between the DP and the factory cat-back. Cylinder head- the old manifold gasket has been removed and surface has been cleaned. The closer a leak of that type is to the exhaust port the greater the chances for a burned valve. 8. The subject of cylinder head gaskets deserves an entire, lengthy article devoted to this very complex area of engine sealing. Part number 60299. Once bolt torque is lost, exhaust-gas pressure can push past the gasket. 1 liter Vortec is the same, whether it is a Chevrolet product or a Workhorse product? 30. If you're installing a new exhaust on your 1965-1967 Mustang, or if you're just updating some parts, then you might need a new manifold gasket. 25" tubing connected to the manifold. Problem with a squeak in the exhaust is generally at the rubber mounts and straps holding the exhaust pipes up to the truck, not at the exhaust flange. Description:. I have a 1994 Chevy Cheyenne 1500 pickup truck with a "Y" split exhaust that had an exhaust leak coming from the right side of the car where the pipe connects to the manifold and there is an exhaust donut which makes a seal between the pipe and manifold the donut has been torn and rotted away so it is in need of replacing any idea on how to do it? When I removed the stock exhaust I had a new donut gasket waiting to go on, but I couldnt get the original one off it is stuck to the cat flange. 09 spt exhaust gasket kit, donut gasket for wrx spt exhaust, gasket kit for wrx spt exhaust, gaskets for installing spt exhaust, spt catback sedan 2014 install instructions Two of my local autoparts stores didn't even show a gasket, donut, etc for the driverside, only a donut type for the passenger side. We, specializes in superior aftermarket motorcycle performance parts . First signs of failure are cracks in the rubber (see image). Great instructions, as this helped me replace my Head gasket and also my Exhaust manifold, I'm just about done, in the process of installing the rails for the injectors. One problem, the injectors, it seems as though I'm having a hard time popping in the first two injectors back into the holes, the other two pops in just fine. It is expanded to 1-3/4" ID for a short distance before forming the flare on the end. I'm looking to install a 3"-to-2. Donut-Type Exhaust Manifold Gasket for 1965, 1966 and 1967 Mustangs with a 170 or 200 6-Cylinder Engine. The gasket should be be smooth without any deformation. How to Install Exhaust Donuts. On most flange connections, there's a small piece of pipe protruding on the inside of the flange to place the gasket on, depending on the type of application. 1999-2003 GM Trucks 4. What It Takes. Reviving the thread to ask if these donut gaskets require some silicone to seal them properly? My driver side donut is leaking, and I took the old one out finding silicone on the factory ring. The mainifold on this engine is not the cast-iron type, it's the tubular stainless type with a sort of 'accordian' detail built in. This liner keeps excessive heat from burning out the "donut" gasket and causing a leak. The composition doughnut gasket was replaced by an iron "gasket", and later manifolds had the sealing surface cast-in. Home › FX468 2 3/4" ID Exhaust Donut Gasket & Spring Bolts Stud Nut Hardware Repair Kit FX468 2 3/4" ID Exhaust Donut Gasket & Spring Bolts Stud Nut Hardware Repair Kit FX Exhaust On every Honda that I have done, the gasket between the head and exhaust manifold is metal. I have a 1971 FJ55 with stock manifold and headerpipe. Purchasing a new gasket from AutoZone eliminates annoying engine sounds, restores your engine's power and averts exhaust leaks within the cast-iron exhaust manifold and the exhaust pipe. A few questions before I do it. yeah don't make the same mistake i did the lip goes inside the manifold not in the pipe. My leo vinci slip will not go on with the OEM donut gasket because its too thick, so i'm wondering if there anywhere I can get a slimmer gasket or can I get away with using a high-temp liquid gasket? 1,500 deals for how to install pipe hub donut + Filters and Sorting. also make sure the area you heat is greese free and have a water sprayer on hand to put out any unnecessary flames. 25" exhaust donut gasket. It fills the gap in the flare and creates a smooth passageway for the exhaust to go through. Be sure that the cylinder head to head pipe gasket is installed in the rear exhaust port, then install the rear head pipe. o. im doing my exhaust next weekend so hopefully the information is accurate. 75 Inch OD. You can reuse this or pick up a new one for about $20. 99-03 Ford 7. a good seal on your exhaust system is important to avoid carbon monoxide poising of the driver leading to a fatal collision. Instructions. If the manifold and the Exhaust pipe both have a flat surface flange on them then it will take a flat gasket. 0L Kit contains: 1 crush ring gasket, 1 donut gasket with ring, 6 studs & 6 flanged hex nuts How to Replace the Up-pipe Donut Gaskets on a 7. You may also need to buy a donut gasket for the civic/integra header. The manifold is attached to the cylinder head, and the unit is sealed with the use of a exhaust manifold gasket. An exhaust-manifold gasket is more likely to need renewing than the gasket on the intake manifold , because of the greater damage caused to the exhaust system by heat; but the procedure is much the same for both. Guaranteed lowest price! An exhaust flange gasket is a round gasket that is commonly called a donut gasket. removal process. Do not try to pry this donut gasket off without cutting it in half. If you need anything aftermarket parts we are largest online retailer Motorcycle Warehouse outlet offering fast free shipping in USA. I started and would have completed last night installing my borlas and random tech. Doughnut gasket is what used to be used where the exhaust pipe connected to the manifold. 00. AutoZone only lists one size donut gasket and one flange gasket (with two different brands/price points) so you should get the correct ones the first try, unless Advance lists more than one size. This bracket is hidden from view by the exhaust manifold (see Figure 3 for the location of this bracket). Tightening the exhaust flange will just cause the exhaust donut gasket to start leaking sooner, but won't help the squeaking noise. Slide muffler mounting arms into grommets making sure donut gasket aligns with muffler and install the remaining three springs connecting the mid pipe to the muffler. Hi Lambosling, thanks but that’s the ring gasket between manifold and cat pipe; I mean the donut type gasket to the stock exhaust! That donut gasket between the exhaust header and the CAT converter, the one that looks like a half cut donut and is sandwich together by 2 spring loaded bolt. Re: donut gasket May 15 2012, 12:23pm Some manifolds have a tapered flange that the pipe mates to that do not use a gasket, some use the flat type gasket and others use the donut gasket. Some front pipe gaskets are called "donut" gaskets and fit into a ball-flared exhaust pipe. It slips over the protruding end of the exhaust pipe and is sandwiched between the pipe flange and the exhaust manifold flange. to the catalytic convertor on my 97 Sahara. When I pulled this engine, there seemed to be a thin gasket like material between the pipe and the manifold where they connect. 5- Install supplied exhaust donut gasket on end of mid pipe. We recommend bracing between the two exhaust pipes to prevent excessive movement that causes these seals to leak. Looking like just a donut gasket there. I need to replace the exhaust donut at the manifold to exhaust pipe. So it warmed up enough down here to finally go topless. Some exhaust pipes have a conical flange welded to the pipe about a half-inch down from the upper end which supports the bottom of the donut that then slips over the pipe. I think that's the only logical approach to the situation. High Temperature Graphite with Wire Mesh Core Donut Exhaust Pipe Flange Gasket (31668) by Walker®. This also works if you are starting from scratch with the system and can find or fabricate the parts. If your exhaust requires reuse of your doughnut gasket, buy this $17. Moss Motors shows part number 290-510. Donuts can also be ordered by dimensions. Is there a donut gasket between my manifold and my exhaust pipe or is it just the flange and flare? i know the bolts are missing on each side and i am going to replace them i wanted to know if there is a gasket inbetween before i put new bolts in there Use the donut gaskest as it allows for differences in angle of the pipe to the manifold. So, time for a new exhaust system. 5" down pipes on my 326 to allow for bigger mufflers however the original exhaust Y-Pipes had 1. How to grind your exhaust manifold doughnut seating surfaces - Duration: 1:55. They didn't have the gasket in stock, but had it for me within about three hours. You will see the connection between the exhaust manifold and the down pipe. 0 has the donut gasket on it. A: The dimensions of this donut will be the same as the OEM Subaru donut gasket. Exhaust Manifold Gaskets: Exhaust manifold gaskets are another gasket type we get questions on. In a relatively short time, the hot exhaust gas can burn the gasket, creating the exhaust leak. When installing Fel-Pro exhaust manifold gaskets, if there is a smooth, metallic side and a composite side, the metallic side should be installed facing out, meaning toward the exhaust manifold. So, I checked online, with the local part stores and NONE of them list any kind of gasket (donut style or anything)! yes it is called a donut gasket. As stated, replacing a gasket causing an exhaust manifold leak is quite easy. If you replace it, do yourself a favor and upgrade to the mini-header so it doesn't crack again. D. Hi Lambosling, thanks but that’s the ring gasket between manifold and cat pipe; I mean the donut type gasket to the stock exhaust! Others have posted that these gaskets will work better than the OEM gaskets: FelPro 8194 exhaust flange gasket I think they are chevy 350 exhaust gaskets but they are supposed to have the same hole and bolt size as our OEM gaskets but the gasket material itself is slightly thicker. Donuts require specific information on the manufacturer of pipe. SCRIBE: Lay your old gasket on top of the new material (I use untempered, pure aluminum when possible). You will need to slot it over each end in order for it to slide over the bolts that were left on the head in order to properly align the gasket. Install the original donut gaskets onto the front and rear head pipes. Best Sellers in Automotive Replacement Exhaust Flange & Exhaust Donut Gaskets #1 CarXX 2. 3L Powerstroke Up-Pipe Donut gasket pair. Exhaust manifold donut gaskets That is a damn lot of money for a new exhaust set up!!! I know deb and I have talked about new gaskets and how much of a pain they are to constantly replace--but the 20 min you spend installing a $5 gasket each year is a lot better than 900$$!!. So my 2005 prius needed an exhaust donut gasket replaced the one inbwteen the exhaust manifold and cat . While you have the Exhaust pipe disconnected feel along the inside edge of the manifold if it is BEVELED it will take the donut type gasket. I have to replace the flange/donut gasket on the drivers side where the manifold meets the exhaust. Material: High Temperature Graphite with Wire Mesh Core. Recently, the engine developed an exhaust manifold leak between the manifild and head at about the top-middle of the driver side. When you remove the donut gasket make sure you do not cut into the inner pipe. Is Exhaust Donut Gasket Necessary? Must be a dumb question but whatever. I have an exhaust leak at the "donut gasket" I have the parts, now just have to install. The most common place of use for the gasket, is below the exhaust manifold/header, and the Y pipe that connects the manifolds together. The donut gasket only goes about halfway into the catback pipe. good luck with this problem. The exhuast from the catalytic convertor back is also shot. Be prepared to replace the studs. Donut Exhaust Gasket really? Installing the aforementioned DP (new) and a CP-E Triton (Used) and after the DP was installed I noticed the size of the gasket provided by Corksport is super large on the outside diameter matched to the CP-E enlarged tip (how do you call that?) it barely can go in if the flange is welded to the cat, then use a gasket not a doughnut. The clamps are normally loose enough to rotate them up so that they can be sprayed with penetrating oil before removal. All vehicles have some sort of break in the exhaust pipes, thus creating the need for either a flange, or donut type of gasket to join the connections together. For the exhaust donut I think I'm going to pull the intake manifold, just to access the donut and O2 sensor better. Donuts seal by compression and have much less dimensional range than couplings. pipe? If they are leaking at the "donut" gasket to the exhaust pipe, then check for a missing liner (for lack of the correct term) that slides inside the exhaust pipe, from the cast iron manifold, for approximately 3-4 inches. If you want to improve your power via exhaust modifications, the best ways are 1) freer flowing muffler, 2) larger diameter exhaust pipes, and 3) replace flex pipes with straight pipes. On my Jeep the mechanism that holds the exhaust down pipe to the manifold is a sort of butterfly clamp. From the steep labor charge - sounds like it is the exhaust donut between the exhaust manifold to the front exhaust pipe. Learn how to replace the exhaust manifold gaskets and intake manifold gaskets in a car. how to install exhaust donut gasket