How to install exhaust donut gasket

how to install exhaust donut gasket 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. 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. I think I'm gonnna replace both sides, and want to do it right. Exhaust leaks at the head will erode the mating surfaces, and then you must use a gasket. Order from Steiner today! Exhaust Manifolds. I doubt the gasket is leaking. 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. 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 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). I've also had the manifold crack, though, so definitely check it. s. This bracket is hidden from view by the exhaust manifold (see Figure 3 for the location of this bracket). 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. The average cost for an Exhaust Manifold Gasket Replacement is between $134 and $468 but can vary from car to car. 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. 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. 0 has the donut gasket on it. Watch you don't snap the bolts off either. 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 already put a sintered metal, donut gasket. unless your talking about the donut gasket between the manifold and down pipe. Doughnut gasket is what used to be used where the exhaust pipe connected to the manifold. High Temperature Graphite with Wire Mesh Core Donut Exhaust Pipe Flange Gasket (31668) by Walker®. 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. 7s until I finally sprung for the OEM gaskets. 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. Shop the industry's largest selection of Exhaust Header & Collector Gaskets at Jegs. The second and third photos are of the factory GM pickup dual exhaust bends at the exit location and the cutoff at the end. 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. I'm looking to install a 3"-to-2. Most exhaust systems do not have the sleeve to centerthe fiber seal, and the fiber seal just floats around, ready for blowoutat any time. Exhaust Gasket. Once the connection is free, pry out the donut. This one is for a John Deere H tractor and replaces H1061R. This keeps them from warping. removal process. Replace the studs that back out, then insert the new donut. 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. Man what a pain. 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. then the whole unit is slide into the exhaust pipe stopping flush with top of exhaust pipe. Donuts seal by compression and have much less dimensional range than couplings. Be prepared to replace the studs. Instructions. 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. The exhuast from the catalytic convertor back is also shot. 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. 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. Part number 60299. We recommend bracing between the two exhaust pipes to prevent excessive movement that causes these seals to leak. Cylinder head- the old manifold gasket has been removed and surface has been cleaned. How tight do I torque the bolts? Best to take the wheel off. Thanks for any tips. 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. im doing my exhaust next weekend so hopefully the information is accurate. 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. With patient and a lot of WD40 you can replace the doughnut type gasket, cost a few bucks in your local auto parts. I have an exhaust leak where the exhaust manifold meets the downpipe. Place the gasket between the flanges. 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. We, specializes in superior aftermarket motorcycle performance parts . After thinking the exhaust leak was coming from the manifold; bc I thought there was a crack in it which there wasn't. Material: High Temperature Graphite with Wire Mesh Core. Gm 25731281 Exhaust Flange/donut Gasket/exhaust Pipe To Manifold Gasket. my cars muffler has a hole in the donut gasket. a 2. I was woundering if anyone had any tips for replacing the donut gasket since i havent done it before. First signs of failure are cracks in the rubber (see image). Exhaust "donut" gaskets don't exactly live the sweet life. The flange on the exhaust pipe itself may be bent or deformed. The donut slides on fron the bottom with the lip at top stopping it. The closer a leak of that type is to the exhaust port the greater the chances for a burned valve. In a relatively short time, the hot exhaust gas can burn the gasket, creating the exhaust leak. To replace the entire exhaust system from the manifolds back will the amount of exhaust out, and have exhaust gaskets last forever. Take the exhaust apart at the collector , this is where the gasket is. About Us. 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. Exhaust Manifold Gaskets Fel-Pro® Performance exhaust header gaskets have “slotted” bolt holes to allow for easier installation in tight bays. 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). an exhaust donut is a round circular gasket made of soft metals. 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. i am in the process of replacing the heads and going with headers instead of manifolds. 00. 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. 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 stock Ford up-pipes are designed using a crush donut gasket to seal the up-pipes into the y-collector. Gauges & Pods 1994-2003 7. If your exhaust requires reuse of your doughnut gasket, buy this $17. It slips over the protruding end of the exhaust pipe and is sandwiched between the pipe flange and the exhaust manifold flange. Pressing firmly on your old gasket, scribe an outline of it onto the material. Haven't had a problem since. so i dont really want to spend the money to get a new muffler system for it. I. 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. It is not a triangle-shaped gasket with three holes for flange bolts. 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. I use a short piece of pipe that press fits inside the donut and extends up into the exhaust manifold when installed. 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. 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. Get one for a 67 ford f-100 with 352, it fits and are made of steel. 8. 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. $26. Original pipe diameter is 1-3/4" OD tubing. This is the seal between the exhaust manifold and down pipe. I was installing my shifter bushings today and realized that the donut gasket on my cobb TBE is leaky. 24. So many folks install them backwards. I poured a ton of cheap gaskets down my two 2. 2 Liter. 3L Ford Powerstroke Turbo Re-Install Kit $ 111. I've recently have had an exhaust leak where the flange from the down pipe meets the manifold. When you remove the donut gasket make sure you do not cut into the inner pipe. This also works if you are starting from scratch with the system and can find or fabricate the parts. 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. The iron doughnut was available from Felpro - don't use a composition one. 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. 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. i broke most of the bolts to remove the manifolds and had no luck drilling them out. Its basically a double sided donut that will fit two flared ends that clamp together. I've ordered the Banks Stinger Cat-Back system and purchased the donut gasket from my local Jeep dealer. When I got it 2 1/2 years ago it had an exhaust leak, it was the doughnut between the manifold and pipe. 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. You can reuse this or pick up a new one for about $20. 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. 1. Now slowly and evenly tighten the nuts. yes im 100% sure that it is where the whole is. You will see the connection between the exhaust manifold and the down pipe. My mechanic friend said I likely needed to replace the donut gasket at the exhause manifold. o. Cylinder head gaskets. The manifold is attached to the cylinder head, and the unit is sealed with the use of a exhaust manifold gasket. Shop for John Deere exhaust pipe donut flange gaskets at Steiner Tractor Parts. 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. 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. There are 2 types. This video demonstrates how to install exhaust flange gasket on a 1995 Jeep Grand Cherokee. R. Once bolt torque is lost, exhaust-gas pressure can push past the gasket. This gasket is the correct one for a Grimmspeed 3 inch downpipe to OEM catback adapter. 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. 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. So i figured just replacing the donut gasket might be worth a shot. Completely shot and falling apart. From the steep labor charge - sounds like it is the exhaust donut between the exhaust manifold to the front exhaust pipe. The donut gasket only goes about halfway into the catback pipe. I've got an exhaust leak at the flange between the header and the catalytic converter. 30. It is 3 inches ID about 3. if the flange is one of them loose ones then a doughnut is needed. Visit our website to see our live inventory and free shipping options. 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. Is Exhaust Donut Gasket Necessary? Must be a dumb question but whatever. You can probably create your own spring bolts from stuff from the hardware store. . You may also need to buy a donut gasket for the civic/integra header. 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. The gasket is made from multiple layers of metal and there are tabs that hold the bolts. Put the bolts that Invidia supplied in the holes, and attach the midpipe. I think that's the only logical approach to the situation. Learn how to replace the exhaust manifold gaskets and intake manifold gaskets in a car. So it warmed up enough down here to finally go topless. once the new gaskets were installed properly and everything tightened up the right way it's a completely different truck. 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. Original issue donut seal measures 1. 25" exhaust donut gasket. 767" ID (give or take a couple thou) so it will slip easily over a 1-3/4" tube. Donuts require specific information on the manufacturer of pipe. make sure debris is not left to get trapped in your catalytic converter. *Important Note: This is a lead gasket with a metal mesh interior so use caution when removing. This is for removing the large donut gasket between the muffler/can and collector within the exhaust system. 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. 8L, 5. 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. Walker Exhaust 31372 - Walker Exhaust Flange Gaskets Compare Exhaust Flange Gasket, Donut, 1 Side Beveled, 2 5/16 in. 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. Then, when you install the manifold gaskets on the heads, the new flanges will have a gap of a few thousandths of an inch. If the manifold and the Exhaust pipe both have a flat surface flange on them then it will take a flat gasket. Bolted everything up and there is definately a leak at that connection with the donut. 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. 5" down pipes on my 326 to allow for bigger mufflers however the original exhaust Y-Pipes had 1. A donut gasket is often used to seal a vehicle's front exhaust pipe and manifold connection. It keeps the pipe flange and gasket centered to the manifold outlet and was a factory item on many cars and trucks. GM manual discribes them as improved design. Upgrade your exhaust system with quality aftermarket parts from K Series Parts. Donuts can be ordered by giving the size, material and type of connection you want to make. I'm familiar with a "donut" type asbestos gasket on your older chevy's which seal the cast manifold to the exhaust pipe. 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. Some people remove their catalytic converters, but that will render your car illegal for street use. Our sales coordinators are trained to assist you. For the exhaust donut I think I'm going to pull the intake manifold, just to access the donut and O2 sensor better. Below on the left is the old gasket. Moss Motors shows part number 290-510. The heat fused everything down there. 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. Donut-Type Exhaust Manifold Gasket for 1965, 1966 and 1967 Mustangs with a 170 or 200 6-Cylinder Engine. As you pull the exhaust manifold off the studs, carefully let this bracket fall away. That way when they (ypipes and donuts) fail and they will you will have everything to get it done. You'll need a couple of wrenches or deep sockets to remove the manifold. The OEM gasket is a round circle with a hole in the middle (aka donut). cat if it was not for the slight oversight on my part of the stock donut gasket not fitting. 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. 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. If you need anything aftermarket parts we are largest online retailer Motorcycle Warehouse outlet offering fast free shipping in USA. I plan to remove the 2 bolts (each with a spring around them) to separate the rear cat and the rear exhaust pipe. Finally a store listed one for the driverside, but it was a round, crush type donut. 25" tubing connected to the manifold. Best Answer: Exhaust manifold flange gasket is the proper name. Cylinder head-to-block sealing requires a combination of properly prepared deck surfaces, the correct type of gasket, and the correct clamping force. 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). 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. It was shaped like a doughnut and was used to seal it. 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. Also buy some copper donuts and exhust gaskets,head gasket/. Description:. SCRIBE: Lay your old gasket on top of the new material (I use untempered, pure aluminum when possible). Exhaust "donut" gaskets don't exactly live the fragrant life. A heat shield will help. 5- Install supplied exhaust donut gasket on end of mid pipe. If these gaskets are damaged, replace them with new OEM gaskets. Guaranteed lowest price! An exhaust flange gasket is a round gasket that is commonly called a donut gasket. So, time for a new exhaust system. you will definitely be pulling the motor. H. 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. Do you know where I can purchase this donut? The 534 Gas engine should use the same exhaust. Part of the series: Auto Repair Tips. 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. 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. Some front pipe gaskets are called "donut" gaskets and fit into a ball-flared exhaust pipe. 9. Tightening the exhaust flange will just cause the exhaust donut gasket to start leaking sooner, but won't help the squeaking noise. It is expanded to 1-3/4" ID for a short distance before forming the flare on the end. Look at your new gasket and you will see how it slips onto the pipe. 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. Be sure that the cylinder head to head pipe gasket is installed in the rear exhaust port, then install the rear head pipe. 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. 75 Inch OD. 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. In doing so I noticed for the first time my exhaust is farting something aweful. 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). How to grind your exhaust manifold doughnut seating surfaces - Duration: 1:55. 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. The subject of cylinder head gaskets deserves an entire, lengthy article devoted to this very complex area of engine sealing. A few questions before I do it. 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. Indeed, it is a tough job, but you should be able to find someone that can do it for considerably less. 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. 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. The type of gasket thats used is the doughnut type. -- with a 6mm allen sock remove the v-clamp bolts. Commonly referred to as a "donut" gasket. 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. How to Install Exhaust Donuts. com. This gasket is often used to prevent exhaust leaks between the cast-iron exhaust manifold and the exhaust pipe of an automobile or truck. Over time, the expansion and contraction cause the donuts to leak, hurting engine performance and mileage. clean the area thoroughly. 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. 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. Also note that the gasket is only rounded on one side. 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. 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. Install the nuts onto the studs at the rear head pipe flange, but do not tighten yet. yeah don't make the same mistake i did the lip goes inside the manifold not in the pipe. its a p. Good! Then use a CB Performance graphite compression gasket for the new flanges, and everything will line up perfect. 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. On Sale. services llc Ricky Hembel 7,002 views. I have had problems with mine leaking. 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. I scotch taped the 4 gaskets to the exhaust ports. I started and would have completed last night installing my borlas and random tech. I know that SOC has the gasket but would prefer to source locally for time and shipping expense reasons. also make sure the area you heat is greese free and have a water sprayer on hand to put out any unnecessary flames. 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. As stated, replacing a gasket causing an exhaust manifold leak is quite easy. The new down pipes came with some gaskets but it continues to leak. A: The dimensions of this donut will be the same as the OEM Subaru donut gasket. This is to prevent gasket from kinking and causing an exhaust leak or cracking the gasket. Donuts can also be ordered by dimensions. Looking like just a donut gasket there. I have an exhaust leak at the "donut gasket" I have the parts, now just have to install. 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. Mines leaking and needs to be replaced. This helped prevent burnoutof the fiber seal. as far as it running ok, it runs fine. Do not tighten the bolts more than a loose finger tight. They didn't have the gasket in stock, but had it for me within about three hours. 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. 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 . Thanks for commenting, It seems the donut gasket is commonly available at all the local stores for 10 bucks. If you ignore this you may end up dragging the exhaust pipe down the road. 00 is nothing compared to the headache of a whistling exhaust leak. ) Positioned under the exhaust manifold is a water heater tube secured by a small bracket placed over one of the lower mounting studs. Brand New Workhorse Exhaust Manifold Donut Seal. There is no donut gasket. Trying to get my manifolds back on I see that the old donut gasket seems to be fused to the exhaust pipe. You can leave the exhaust mid points clamped to change the gaskets as the pipe will slide back enough to pull the exhaust donuts. It fills the gap in the flare and creates a smooth passageway for the exhaust to go through. 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. 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 . 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. 3L Power Stroke Diesel A low boost condition on the 7. Best Sellers in Automotive Replacement Exhaust Flange & Exhaust Donut Gaskets #1 CarXX 2. 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. 3L Powerstroke Up-Pipe Donut gasket pair. The clamps are normally loose enough to rotate them up so that they can be sprayed with penetrating oil before removal. About the Author Robert Holcomb is an expert in the automotive industry. 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. An exhaust flange gasket is a round gasket that is commonly called a donut gasket. good luck with this problem. 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. I have a 1994 Cavalier 2. 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. I used the old 302 exhaust l manifolds, which requires the use of exhaust donut type gaskets between the manifold and exhaust pipe. 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. I'm thinking of removing the rear motor mount inserts as they seem to have exacerbated the whole exhaust sound problem. 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. My 91 4. I. 1,500 deals for how to install pipe hub donut + Filters and Sorting. What It Takes. Got a 351w in a 69. Re: exhaust gasket If it's two flat flange surfaces yes. 3L & 6. 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 ". the ford 460 is a real pain. I have a 1971 FJ55 with stock manifold and headerpipe. I have to replace the flange/donut gasket on the drivers side where the manifold meets the exhaust. Re: Ford 460 exhaust Manifolds: bill: 2-25-08 : I have a 1988 allegro class a motorhome and have exhaust manifold leaks. a good seal on your exhaust system is important to avoid carbon monoxide poising of the driver leading to a fatal collision. I put some exhaust sealant on the broken gaskets to "glue it" back to the one solid gasket piece and reinstalled it. 5" downpipe adaptor laying around and just realized I don't have the OEM spring bolts anymore. The shape of the gasket resembles a donut and it seals the exhaust pipe that has a ball flared end. 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. 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. I need to replace the exhaust donut at the manifold to exhaust pipe. D. The most common place of use for the gasket, is below the exhaust manifold/header, and the Y pipe that connects the manifolds together. Exhaust system rubber hangers usually fail due to age and heat. Guaranteed lowest price! Installing Bellowed Up-pipes on your diesel truck is the perfect solution to the all too common diesel exhaust leak. I want to put the new donut gasket in. 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. Learn how to install exhaust donuts with help from an expert in the automotive industry in this free video clip. Anyone know a part number for a local sourced exhaust header pipe donut? Thanks for the help. 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. The composition doughnut gasket was replaced by an iron "gasket", and later manifolds had the sealing surface cast-in. On my Jeep the mechanism that holds the exhaust down pipe to the manifold is a sort of butterfly clamp. Recently, the engine developed an exhaust manifold leak between the manifild and head at about the top-middle of the driver side. Install the original donut gaskets onto the front and rear head pipes. For all flared joints, there is a donut-style exhaust gasket that prevents gases from escaping into the atmosphere. All of which is between the engine and the firewall - pretty tight space-wise. I came across this thread while searching for a donut gasket for my 2010 rzr 800. Factory-exhaust head pipes utilized a sleeve to center theexhaust-manifold-to-head-pipe seal (donut). Hole, 11/16 in. 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. Install new exhaust manifold in reverse order of the steps listed above. 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. The other just has straight sides. 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. 99-03 Ford 7. 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. 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. 1999-2003 GM Trucks 4. Do you hand tighten the nuts or are there some torque specs? Got a 351w in a 69. 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. I put the original $8 Ford donut, but I am not happy with it, it think it will leak again soon. its technically called an exhaust flange gasket. If it's a BB stock setup than it uses a flat gasket. So my 2005 prius needed an exhaust donut gasket replaced the one inbwteen the exhaust manifold and cat . I have a 1975 Ford LN880 truck with a 477 Gas engine. The gasket should be be smooth without any deformation. And how to deal with a manifold gasket leak. Only a mornings work. I dont recall a doughnut used on my 86 vanagon, except on the long pipe where it meets teh two into one adaptor. Exhaust Manifold Gaskets: Exhaust manifold gaskets are another gasket type we get questions on. to the catalytic convertor on my 97 Sahara. Then check and see if remflex makes a version of it. Do not try to pry this donut gasket off without cutting it in half. Run your hand with the engine running (be careful is hot) and check for a leek. 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$$!!. 1 liter Vortec is the same, whether it is a Chevrolet product or a Workhorse product? 30. See Picture 8. 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. Exhaust pipe- the old donut gasket has been removed and the mounting surface is cleaned of all old gasket material. Exhaust Donut Gasket I recently installed new 2. 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. How to Replace the Up-pipe Donut Gaskets on a 7. However, there can be donut gaskets used in other locations downstream in the exhaust system of certain vehicles. This liner keeps excessive heat from burning out the "donut" gasket and causing a leak. 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. The exhaust gasket, or "donut", was made by Walker, I believe PN 31533. 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. If you replace it, do yourself a favor and upgrade to the mini-header so it doesn't crack again. 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. When I pulled this engine, there seemed to be a thin gasket like material between the pipe and the manifold where they connect. how to install exhaust donut gasket