So it is a fact of concern to apply the best one. Always regulate the rate at which Sea Foam goes into the engine. Guess I could have dipped that burnt wire into some seafoam, but didn't think of it at the time. But your car may also have a Low Coolant indicator lamp. In the event that I do find sludge under there, how could I go about cleaning it? Is there a solvent that I can use that will be safe with rubber valve seals? Since toward the end of my oil change interval, I think I'm going to put seafoam in the oil for 100 miles or so before I drain it, and see what comes out, it couldn't hurt. Here is how to fix these problems:. I always found exhaust leaks by following the sound of the leak to the area then feeling around the pipes to feel where it was coming out of. After some years of service, you still can restore valve operation by removing and cleaning the obstructed passages inside the valve and the connecting exhaust manifold pipe to reestablish good engine operation. not sure how that its doing that. I should have observed exactly what I did to remember because it took a lot longer to get it back in. Beyond getting an overall picture of engine condition, the engine leakdown test is an excellent way to pinpoint where problems are before tearing down the engine. Forum discussion: 2004 Chevy Silverado 5. If you've had a '64 Chevy sitting in a garage for 15 years, Seafoam might work wonders. 7 started making funny noises a month or so ago, it has 24,000 miles on it. Z-Max Power System Treatment Kit includes, * 12 oz. The one below the feed line may be stuck to the turbo. By Mike Frederick; PoorManMods; How ever this is not actually "Ceramic coating" like a professional shop would be able to perform and isnt as durable and as effective, this is a cheap alternative that you can do at home and still gain some benefits from, I. so i'm looking for a way to "plug" or "seal" the gap. I have done sea foam treatment and I just would like any opinions that u can give me. Consider using a funnel to pour in the Seafoam. If it has a crack, replace it, don't try to repair it. Inside the fuel tank, Sea Foam absorbs water, allowing it to be burned up in the combustion chamber without issue. If head gasket I will find out the part number for better head bolt set which eliminates head bolt issues that have caused rover issues for years. Using it in the intake will cause the exhaust to smoke, and this is usually done by sucking up the fluid with an unhooked vacuum line while the car is running, the key thing is to not. Similarly, if you can light the oil on fire with a hand lighter, there is a gas leak as well. This took quite a bit of wiggling for me, but eventually popped out. The YETI Tundra 45 combines versatility with durability. Usually most noticeable when cold. Or suck in some seafoam and do the same thing to make smoke come out the exhaust where it is leaking. I know my exhaust is tight as we just did a big turbo build and everything was tighten down correctly but still had very little smoke coming from behind. You are right as it might not work in your case. as when it starts to burn off the carbon and is smoking it will smoke out all of the cracks you have, plus it will clean out the engine, so a win win. I think that if the car is running fine with the exception of the exhaust leak I would doubt that the cylinder head is cracked. If you notice that you have to fill up your gas tank more often than normal, have your exhaust system checked out by your local Pep Boys. Next step is to add some BG44K to the gas to clean the cylinder heads, injectors, valves and power rings and see if the oil consumption stops even more. then load it w/ the soapy water and start it, then rush to find the leak before the soap just dries up from the heat a guy at my work was saying something about sticking a smoker or something in the tail pipe and smoke will blow out of the leak. There is a gasket where the manifold mounts to the head, I believe the manifold flange on the 2. Oh and you can also use the smoke machine to find vacuum leaks too. How to Seafoam your engine the RIGHT way:. You can use Seafoam to create smoke in the exhaust. The added backpressure will make any leaks a lot more obvious. The instructions are on the can. From there, the exhaust purges its way downstream through the remaining exhaust system and out the tailpipe. when making exhaust off the car. - ok, i just put in a set of JM lt knockoffs and i have about 100 miles on them. Exhaust Leak Page 2 of 2 < 1: 2 Time to do mine as well. Even if you don't race your engines for sport or hobby, it is helpful to know how to clean exhaust manifolds on your own vehicles. If you have a crack in the manifold or other exhaust leak, sometimes you'll see a light gray trace of soot at the crack site. If you've never SeaFoam'd your vehicle, the smoke it generates is unbelievable. Ask friends, family members and co-workers for recommendations about cars they think would be a good fit for you and your needs. I confirmed the leak when I was treating the engine with Seafoam. Not an expert on the 2. Before anyone says it's the belt tensioner, HVAC fan, etc - it's not. Our technicians tell us that a piece of carbon may become stuck in the valve causing this problem. The instructions are on the can. is this true? i have. now how could this. Here is a good trick to find an exhaust leak, use "seafoam" not in the oil or gas but down the intake method. you really want to stop leaks, I recommend you pump hydraulic cement under pressure into the oil filler until it comes out the radiator cap. It can be internal or at the lines. Re: Exhaust leak - how important to fix? If that's near the O2 sensor, it would be a good idea to get it fixed because it may be effecting your mixture control. Its free to use too!!. is there any risk in using seafoam for this reason?. so i'm looking for a way to "plug" or "seal" the gap. It's an actual exhaust leak. Assuming your WB is in the front o2 location or just before the flex then you can narrow down the leak to everything before it, i. Either case, the manual suggests me to bring it > Sea Foam costs about half that, and a bottle. I'm going today to my mechanic to tighten up the exhaust manifold nuts, if that doesn't do it then I might have to consider changing the exhaust manifold gasket which I hear is a pain to. Then, check all the hoses under your hood for cracks and to make sure the connections are tight. used motor oil 4. Driving lowered cars, I am always having problems with my exhaust. The one from the manifold to the turbo on mine was cracked and there was a pretty bad leak. guaranteed you will have no further wear on that engine. YOU HAVE TO GET THIS TOOL!!!! Seriously this tool is borrowed more than any other tool I own. Out there Idea: smoke bomb to find Intake & Exhaust Leaks I was thinking an easy way to find intake and exhaust leaks would be to drop a smoke bomb into the exhaust and cover the exit hole. Can't feel anything coming out of the flanges, but there HAS to be a leak somewhere. Post 888877 - The premier 12 VOLT car audio & stereo forum site for high end mobile audio discussion and in car entertainment product reviews & comparison. 3 Cork the exhaust and with the engine off, get a few psi of air into the system and listen for the hiss of air out the leak. It really doesn't sound like exhaust either, I'm just going with the tick kind of sound. I have tried to keep the engine running while I feel around for escaping gases, but I can only do that for a minute or two before it gets too hot to go poking blindly around the manifold and downpipe. Either case, the manual suggests me to bring it > Sea Foam costs about half that, and a bottle. Look at every join and see if there are any black sooty deposits around any of them. Sometimes you can actually hear the clicking of the exhaust valves. Tech notes In some 1999–2003 Honda Odysseys and 2003 Honda Pilots, the EGR system may become contaminated or clogged. Manifold exhaust leaks are most apparent when exhaust is cold, and working around hot exhaust systems is no fun. Here's How You Can Make Sure Your Car Is Safe To Drive. 7 started making funny noises a month or so ago, it has 24,000 miles on it. This smoke will find its way out of even the most minute of exhaust leaks and is probably the best way (that I know of at least) to help indentify/locate them. Running a can of Seafoam through your intake manifold (for purpose of cleaning the IM and combustion chambers) has a side effect of producing quite a bit of smoke. This is the method we use for difficult to find exhaust leaks in the shop and it works excellent plus it will clean all of your intake valves and combusion chanbers. Here’s how to replace an existing vent fan with a new one: When choosing a vent fan for. I use a stethoscope to find exhaust leaks. Here are 5 ways I found to find leaks so I can get them patched up and back to the races. Last Upated: Wed Oct 16, 2019. If it's rotten you won't find any good metal to weld to. However when it's just a pin hole in the exhaust you can start the car cold in the garage and let it idle for a few minutes, garage door open of course. Any leak may allow exhaust gases into the cabin. ok - need some help - its a 15 hp honda - 4 stroke - 2000s vintage (cant read the serial number). i need one for that and header to mid pipe tho, and they said they were the same so i just ordered 2. Sea Foam contains no harsh chemicals. The smoke is mostly the pale oil burning in the combustion chamber & exhaust manifolds. The flex pipe is an especially common source of leaks. If so rebuild the head/new head gasket. When this is the case, the oil will then burn off, creating smoke. If your vehicle displays any of the following trouble codes: P0420, P0421, P0422, P0423, P0424, P0430, P0431, P0432, P0433, P0434, you’re looking at a problem with the catalytic converter. IDK if that actually works though. To find an exhaust leak you could just run seafoam through one of your vaccum lines (brake booster line). put some seaform in pcv hose, which goes into all cylinders, turn off car after putting in hose. they pointed out that the flange isnt up all the way and that the bolts holding it on were bolted on to the max. so i have an exhaust leak coming from my drivers side midpipe-to-header connection. was i just not adding enough water. A certain engine smell can be caused by a specific problem in your car. There’s a lot of misconception out there about products like Seafoam, so let’s start with clarifying the purpose for the product, why you’ll want to use it, and how it’s used. Exhaust leak? - posted in MXZ / Legend / Summit / Grand Touring / Formula : Hi I have a 2002 mxz 800 and noticed a problem with the exhaust. Its a quick way to find a leak. A4 (B5 Platform) Discussion - Issues with crankcase breathing system leading to oil leaks - I have a 1998 A4 2. You can use it to remove buildup in the engine, fuel injectors, or oil system. If rusty, do an electrolysis tank cleaning. When your car fails the emissions test, the mechanic must determine whether this failure is the cause of an exhaust manifold leak or a result of other problems in the exhaust system. Then, visually inspect for smoke leaks around the exhaust manifold. I've got to have an exhaust leak somewhere between the manifold and the upstream sensor. I know Mustangs, especially SN95s, have exhaust leak issues at the passenger header flange. I cleared all the codes. Exhaust noise tends to be harsher and snappier than the noise I observed in the videos, but then again it could just be a very very small leak. Definately not something I want to mess around with though, and not something I want to pay hundreds of dollars to fix. As blue smoke coming out of exhaust can be caused by some of the reasons mentioned above, so to get rid of blue smoke, you should find the cause and fix it immediately. I think the leak is at the header/exhaust port, but I can't really tell for sure. po420 or po430 code catalytic converter failure diagnostics Following is a list of procedures that should be accomplished before the final determination that a new catalytic converter is needed. I have on '07 and diagnosed mine by listening inside each wheel well. Check the exhaust manifold gaskets. So I had a garage find the ECM leak and address it with putty. Bad Fuel Efficiency - When there is an exhaust leak, the engine control unit cannot get an accurate reading from the sensors about how much oxygen is coming and going from the valves. i took it into a professional exhaust shop and they said that they couldnt do anything about it. My first suspicion is an exhaust leak, but I am having a hard time determining if there are any leaks. DIY: E46 M3 find ANY exhaust leaks easily using SEAFOAM white smoke Greetings: This DIY will tell you which vacuum hose to put SEAFOAM into to find exhaust leaks in the E46 M3 because SEAFOAM will create tons of white smoke in the exhaust system. To clean your EGR valve, start by cleaning the vacuum hose with carburetor cleaner or a pipe cleaner. Driving lowered cars, I am always having problems with my exhaust. Forum discussion: 2004 Chevy Silverado 5. Here’s how to replace an existing vent fan with a new one: When choosing a vent fan for. A: To stop an engine oil leak at the valve cover gasket, expose the vehicle engine, remove the valve cover and gasket, insert the new gasket, and replace the. Go over the pipe and joint, listen for air movement and exhaust noises. Using it in the intake will cause the exhaust to smoke, and this is usually done by sucking up the fluid with an unhooked vacuum line while the car is running, the key thing is to not let the car stall since it's like you're sucking up water. But your car may also have a Low Coolant indicator lamp. 3 Cork the exhaust and with the engine off, get a few psi of air into the system and listen for the hiss of air out the leak. Below is a video on how to find vacuum leaks. The YETI Tundra 45 combines versatility with durability. I'm going today to my mechanic to tighten up the exhaust manifold nuts, if that doesn't do it then I might have to consider changing the exhaust manifold gasket which I hear is a pain to. Then look under and you'll see a few droplets of water on the ground where the leak is at. Keep in mind that some new models don’t have a PCV valve at all; instead, you’ll find a simple vacuum hose going from the valve cover to an air inlet duct. If you don't want to take your car in for a proper head gasket replacement, you can try fixing it on your own with engine block sealer. Then, check all the hoses under your hood for cracks and to make sure the connections are tight. I went back in and replaced the seal but the leak continues. This is a major indication of a leak and you will need to replace as needed or repair the exhaust. Signs of Blown Head Gasket, but car doesn't over heat. 6 and break just went with the "easy" job. If this happens, the vehicle may hesitate or surge during light acceleration, and the MIL (malfunction indicator lamp) may come on with DTC P0401 (EGR insufficient flow) or P1491 (EGR valve insufficient lift). Use carburetor cleaner to help locate any potential leaks by spraying around gasket surfaces and observe a rise in engine idle speed if a leak exists. After a cold start for the first short while sounds like an exhaust leak when driving off. Re: How to track down an exhaust leak? You could also Seafoam your intake system. Found out I had an exhaust leak! I took the exhaust manifold cover off so I can visually inspect for any smoke coming out it. While you lay under the car, have somebody hold a shop rag in the palm of their hand and use it to block the tailpipe. For example, soak the downhill side of a chimney first, then each side, then the top on both sides. Save on Sea Foam Motor Treatment, 16 fl. Carbon build up inside your Toyota EGR valve affects engine performance, even increasing fuel consumption. Upon taking ownership, I noticed the car had a "exhaust" fume smell to it once driven up to temperature. I use a stethoscope to find exhaust leaks. It also shows up suddenly when the bolt (s) break. is seafoam ok to put in the vacuum lines in the intake on diesels? I have an exhaust leak somewhere around the turbo ever since my turbo swap and I cant pin point it. Here is a good trick to find an exhaust leak, use "seafoam" not in the oil or gas but down the intake method. I also plan on doing a seafoam treatment to my engine in the near future. While you lay under the car, have somebody hold a shop rag in the palm of their hand and use it to block the tailpipe. Does Seafoam Actually Work in a Car? (with Proof. If you don't see any, it doesn't mean you don't have an exhaust leak though. Lowers lift and you drive out. How to Seafoam your engine the RIGHT way:. duh!) to feel for active leaks Edit PS: There is a good chance that it's actually the exhaust manifold that is cracked and leaking especially with an older vehicle, but that is much more of a pain to find/get to/fix than a general exhaust leak. There's a lot of misconception out there about products like Seafoam, so let's start with clarifying the purpose for the product, why you'll want to use it, and how it's used. they pointed out that the flange isnt up all the way and that the bolts holding it on were bolted on to the max. brand new full exhaust from the turbo back. Never buy an exhaust gasket from anywhere else besides Toyota. However, a vacuum leak can often show up in the form of hesitation. thus the exhaust smokes heavily and so you easily know there is a leak… much easier than using a length of hard plastic tubing in medical-type stethoscope!  To find my latest leak down deep behind the engine, I then set my digital camera for "macro" and "fill-flash" modes and. Do this on my other cars to clean out vaccum lines. I guess if too much SeaFoam is used bigger chunks of gunk can break off and get stuck in the engine somewhere. To find the leak have the truck running and run your hand along the pipe and around the manifold to see if you feel any air coming from anywhere, check the O2 sensors and the connection right before the cat. But the scanners do not think for us yet. COLD EXHAUST AND ENGINE ONLY. You could run seafoam and see where the leak is coming from then go from there. Ive used it in gassers before and it smokes like crazy and you can see the smoke coming out the leak, just wondering if it is any different on diesels?. Problem with my Toyota Corolla, 1997, 1. The key is to check your dip stick and exhaust. This Page Contains information about How To Prepare Cars For Emissions Smog Test Things To Check Get Ready Pass By edwino85 in category Blogs with 13 Replies. Suck 1/3 to 1/2 can through the brake booster vacuum hose while engine is at operating temperature. Step 2: Hone your list. Since I have heard that you should use a little bit of SeaFoam at a time when using a vacuum tube, I only poured out about an ounce or two into a plastic water bottle with most of the top cut-off. If you see beads of moisture on the dipstick and white smoke coming out of the exhaust of a warm engine, this can indicate a head gasket leaking coolant into the oil system, which is not good. ive got a cracked passenger as well. The leak, if any, will become more noticeable, it will sound like high air pressure trying to escape a small hole. start the car when cold and hold tissue paper around the exhaust manifolds to see the exhaust leaks puff on the paper. While I am at it I plan to pull the TB off and clean then hell out of all of that. Duramax LB7 Smokes at idle OK all you Duramax experts, I've already received one opinion from a friend so I need a couple more before taking BART to a shop. Where was Seafoam dripping out of? You shouldn't be inducting so much that it's getting all the way to the exhaust manifold without being burned off. The flex pipe is an especially common source of leaks. i need one for that and header to mid pipe tho, and they said they were the same so i just ordered 2. Re: best way to detect exhaust leak? The other day, I fixed a miss on a customers car by pouring new spark plug wires onto the engine. thanks for the responses, For the tires, I i just find it annoying to grab the steering wheel whenever i see groove marks on the road. You could run seafoam and see where the leak is coming from then go from there. they pointed out that the flange isnt up all the way and that the bolts holding it on were bolted on to the max. Below is a video on how to find vacuum leaks. Been really busy. A leak in the manifold causes oxygen to enter the exhaust stream, resulting in an improper mix of fuel and higher emissions. Seafoam helped me locate an exhaust leak. To find a leak play the open end of the hose as closely as you can over the exhaust system, paying particular attention to parts which might leak (Joints, flexible sections, etc. Re: Options to fix a rear main seal leak Post by Reys » 20 Sep 2013, 21:03 After using seafoam in my crankcase, my volvo has developed a rms issue, new pcv was done over a year ago, no pressure propbably just chewed the seal from that crap, anyway advise to all other owners dont do it, dont seafoam your crankcase!!!. PM's Senior Automotive Editor, Mike Allen, outlines the tools and techniques proven to smoke out even the toughest to find vacuum leaks. Rarely have I found a need to weld exhaust parts anyway: slip fits and clamps usually do it. If you have an exhaust leak, you're vehicle will most likely be getting worse gas mileage. after taking off the heat shield i didnt notice any cracks in the exhaust manifold but i could have visually missed a small one. Page 2 of 2 < Prev 1 2. Finally the flex pipe is where most of your leaks occor. No leaks since the fix. The long hose helps to get the blower away from the leak area where you can hear the leak. 7 though @Speedytech7. How To Fix Blue Smoke From Exhaust. So i've read/heard things such as running seaform through the engine and using a flame along the exhaust to find leaks but i'm concerned about accuracy, especially in finding exhaust manifold leaks and 02 housing leaks. Seafoam makes a huge smoke show when used. The leak is at the connection right after the headers so I'm assuming it is just bad gaskets. You might also hear a rumble when starting your car or while it runs cold. It wasn't much smoke, and it stopped smoking, but it was pretty clear that there was some exhaust escaping through there. disclaimer: that's a joke, folks, don't try this at home. Question: “Would putting SeaFoam gas treatment through the PCV connection in intake manifold clean the intake manifold?” (I build performance engines. Finally the flex pipe is where most of your leaks occor. IDK if that actually works though. The stainless steel braid was ripped at the back end, but I put my hand around it, and could not feel any exhaust leak anywhere. Another thing you could do is suck some seafoam in the vacuum line. The first thing to try is the next time you fill the gas tank, try adding a can of Sea Foam to the tank, and see if this improves the condition. You can use it to remove buildup in the engine, fuel injectors, or oil system. So it is a fact of concern to apply the best one. Definately not something I want to mess around with though, and not something I want to pay hundreds of dollars to fix. Exhaust Leak Page 2 of 2 < 1: 2 Time to do mine as well. So can you use it to find an exhaust leak? I'm concerned about the up-pipe gaskets mostly, since you can't really inspect those for carbon deposits. being a bit unsatisfied with the way my exhaust sounded i looked underneath to check for exhaust leaks, and what do i find? an exhaust leak. Look for black marks where the exhaust was exiting. Unlike older vent fans, new models are much quieter and more efficient. The leak is REALLY bad, and renders the car undriveable. We work every day to bring you discounts on new products across our entire store. Popular choice seems to be 1/3 fuel tank, 1/3 crankcase, and 1/3 can into intake. The air injection smog pump pushes air into the exhaust system right after the exhaust manifold, to help intercept and burn those unburned fuels. Next, scrub the area around the leak with a steel-toothed brush, sand the surface of the pipe to rough up the metal, and wipe the pipe down with acetone. I noticed there was oil build up on the block where the y-pipe is. So he sold it, & advised us that was the only obvious solution. What are some ways that I can find out where the leak may be coming from?. Then just look for smoke pouring out anywhere. The suspected leak can then be confirmed by pressing your finger over the area and listening for the hissing to disappear. thus the exhaust smokes heavily and so you easily know there is a leak… much easier than using a length of hard plastic tubing in medical-type stethoscope!  To find my latest leak down deep behind the engine, I then set my digital camera for “macro” and “fill-flash” modes and. my diagnostics was seafoam and. Some people have poured Seafoam or 3N1 oil on the spark plug holes and sarted the motor, and checked for smoke. Plus, IIRC, the exhaust is on the back side of the engine next to the firewall, which makes it even harder to see. Page 2 of 2 < Prev 1 2. "Using Sea Foam through a vacuum line is easy and safe if you remember one thing. Step 1: Now it’s time to find your new car. So you can turn a soda bottle and a black and mild into a nice homemade smoker and it really works great at finding exhaust leaks without dealing with hot ex. Sounds kinda like a loud turbo with a kazoo on it doesn't it? Thats the best I can describe an exhaust leak. If you can find it, it's a sign that you might want to get expert help to find out where the oil is coming. I use this thick additive to stop the leak and it seems to work so far. Start the car and listen for any strange sounds like a very quiet whistle. Hi i just wanna be sure its not a leak using all my fuel im by myself & one method ive read in forums is to block exhaust pipe with a rag, but im by myself to go to front to be able to hear it so next way would be to smoke out the leak is it ok to be a bit of carby cleaner into exhaust on the ecotech? where would i spray it in though??. But this means running the engine at operating temp. Check for vacuum leaks and exhaust leaks first. 96 lumina exhaust leak ? Lumina Car Forums. I've got to have an exhaust leak somewhere between the manifold and the upstream sensor. But its most likely your manifolds leaking they warp and break the bolts u need to re surface them or buy new ones. If you are considering getting an oil leak detector, you might want to think about searching a few different options before choosing one for the kind of car that you have. i really doubt its the rod, i thought i had a bad valve or something in my motor a few years back, it sounded just like you described, it turned out the header i installed was slightly warped ang the exhaust gasket kept blowing, look for carbon around the manifold to help find the leak. A rich incoming fuel/air mix produces exhaust with less oxygen, while lean produces exhaust with more oxygen. I use this thick additive to stop the leak and it seems to work so far. Another thing you could do is suck some seafoam in the vacuum line. If you Seafoam it really good once or twice then just use a good fuel system cleaner like BG's 44K then you shouldn't need to Seafoam it ever again. I know it makes smoke, but IDK if it helps find a leak, like a crack. I heard of using SeaFoam spray into the intake which will produce white smoke at a leak. i took it into a professional exhaust shop and they said that they couldnt do anything about it. Here is a good trick to find an exhaust leak, use "seafoam" not in the oil or gas but down the intake method. I figure the"line" would have black soot around if it is truly a leak. Could this all be due to an exhaust leak at engine? I took off the heat shield on manifold and don't see anything obvious. Small engines: add whenever you refuel. One of the main causes of white exhaust smoke and coolant loss is a cracked or warped cylinder head, a cracked engine block, or head gasket failure caused by overheating. I always found exhaust leaks by following the sound of the leak to the area then feeling around the pipes to feel where it was coming out of. WHAT IF THERE'S NO LEAK? The leaks can easily occur some place that isn't easy to get to, such as at the fuel pump that was referenced earlier. seafoam The first two should (I hope) make obvious the leaks by shooting out white or red particles. So i tightened. Then just look for smoke pouring out anywhere. I have no way to tell from here. You should find two copper washers; one above and one below the feed line. Ask friends, family members and co-workers for recommendations about cars they think would be a good fit for you and your needs. The reason for this isn't that the exhaust comes out, but that between each cylinder's individual exhaust there's a slight vacuum created that draws in air and throws all the readings off, causing the computer to set the code. so its not like they could have tighted it up. With all the white smoke that it will dump out it will be easy to find any exhaust leak. I think it might not be a leak but just the burning of it. Sometimes you can actually hear the clicking of the exhaust valves. seafoam seems like the easiest way to see if its leaking from your exhaust. as far as just replacing the gasket goes, you got yourself home free. I know the manifolds are prone to cracking. The best one can allow a more durable result. In fact, the more Sea Foam you add to fuel, the better it cleans! Pour Sea Foam in your fuel tank to clean and lubricate your entire fuel system. Thankfully, finding out whether you do, in fact, have a leak is a fairly easy process. Transmission Formula * 12 oz. Run 1/3 bottle of seafoam though your brake booster, let it sit with the engine off for 15 minutes then start it up. best way to locate exhaust leak ??? Guys, what is the best and easiest way to locate an exhaust leak ???? Had the exhaust manifold and both Y-pipes gasket changed a few months ago, and can still hear what I'm sure is an exhaust leak. I was under the hood playing with the throttle while passing "Seafoam" through to clean the engine and noticed that some of that seafoam smoke was coming from in between exhaust pipes. By allowing propane gas to escape the tip of a propane torch, you can check for leaks along the intake manifold and listen for changes in your engine's idling. 2nd time in 6 years. Some people have poured Seafoam or 3N1 oil on the spark plug holes and sarted the motor, and checked for smoke. as when it starts to burn off the carbon and is smoking it will smoke out all of the cracks you have, plus it will clean out the engine, so a win win. Does an exhaust leak from the manifold to head sound like a two stroke engine when you have one? I hear harsh, raspy sound upon acceleration, that seems to get less noticeable as the car reaches normal operating temps. There is a gasket where the manifold mounts to the head, I believe the manifold flange on the 2. A radiator stop leak from a good brand is very helpful for your car. Get indoors if possible. as soon as it started to take the water i keep it at that amount and then stoped when i ran out. It shouldnt take long to find a leak if there is one. com and find the best online deals on everything for your home. Save on Sea Foam Motor Treatment, 16 fl. It is important to understand how oil from the engine could reach the exhaust pipe, as well as whether the liquid. i just ordered a set of donut gaskets from advanced auto. Driving lowered cars, I am always having problems with my exhaust. the manifold is covered by a heat shield and i cant remove the nuts of the shield because they are rusted on. One of the most common ways to find and exhaust leak is to look towards the exhaust and you can find a dark color line around the bottom of the exhaust. basically from what ive heard the whole swap is just a matter of patience and a 12 pack. If there are, then that join is leaking. Isolate areas when you run the hose. "Using Sea Foam through a vacuum line is easy and safe if you remember one thing. A6 / S6 (C5 Platform) Discussion - Exhaust leak somewhere before turbo - Has anyone ever heard of a 2. I would try to find some Seafoam, add some to the engine oil, the gas tank and then run some though the intake via the brake booster hose to see if that helps. However, today many of my readers what to know how to fix common OEM exhaust and catalytic converter problems. The leak, if any, will become more noticeable, it will sound like high air pressure trying to escape a small hole. I used new OEM gaskets when I reassembled everything about a month ago, but the problem is that the fitment on the up pipe just isn't perfect. 4x4 with a 4. its such pain in the @$$. Save on Sea Foam Motor Treatment, 16 fl. What causes catalytic converter to go bad Catalytic converter problems What you need to know about catalytic converter problems. And when your engine works harder, it requires more fuel. For many, the need to find car exhaust manifold leaks follows a failed emissions test. Exhaust Leak Symptoms? S-Series General. On a '98 Honda with 200,000 miles, it'll make smoke, but that's about it. WHAT IF THERE'S NO LEAK? The leaks can easily occur some place that isn't easy to get to, such as at the fuel pump that was referenced earlier.