Bad Intake Manifold Gasket White Smoke

Yes, the freezing is not uncommon when the weather turns cold. Gaskets are the seals placed between engine components before they are assembled in order to provide a. Condensation well mostly disappear. Read also: The average cost of replacing throttle position sensor. Clean and inspect the sealing surfaces VERY closely for pitting deep enough to cause a problem (thanks early Dex-cool). Smoke came out the exhaust. The most noticeable symptom of internal coolant leakage is when the white smoke is billowing out of the exhaust pipe and leaves a sweet odor in the air. The exhaust produces a massive plume of white, which would make me think that the head gasket needs replacing. How to Find a Vacuum Leak. How can i tell whether it's the timing chain cover gasket or the head gasket near cylinder #1? For info, I have no coolant in my oil, or oil in my coolant, and my car didn't smoke white, basically no internal leak; just a bad external one. It produces a lot of smoke. Just make sure the dealership if they do the same process, changes the filter. Is it possible to get white smoke from the exhaust from an intake manifold leak on this vehicle? Would there be any difference in smoke symptoms between an intake manifold and head gasket leak?. I don't think your head gasket is blown since if it was it would pretty much run like crap and the oil would look like crap haha. I took it back off today and noticed i have the wrong intake manifold for the engine. If you had white smoke coming from the tailpipe and your head gasket was bad, chances are the O2 sensor may have been poisoned at the same time. Re: Bad oil leak under intake manifold I was thinking valve guides and seals. I had a manifold head gasket go bad on my old '87 S-10. Bad PCV Valve Symptoms and How to Test the PCV Valve Yourself I just got a new starter and intake manifold gasket repaired. Lots of white smoke would indicate a blown head gasket or even possibly a burned piston. Leaks allow the coolant and motor oil to mix together. After completion engines ran fine. 7 vortec this engine was is used in many models, sorry i dont like Dexcool, hope it helps thanks for watching. I thought it might be the head gasket I bought was just cheap and crappy or the intake manifold gasket was crappy or the head was warped. If you find two side-by side the head gasket is blown between the two. A blown intake gasket can cause havoc in an otherwise healthy car engine, but the symptoms can be difficult to detect. Open the hood and check for any noticeable coolant leaks. If your exhaust smells sweet (glycol) and is white smoke, you need to monitor your coolant levels and start looking into a head job. The coolant leaking from below the exhaust flag can also be a red flag, and bubbles may form in the radiator or cooler overflow tank. If indeed smoke is white, pull spark plugs one at a time & look for heavy white crust on end of plug, if so that cylinder is getting water in it. Rain water running into flame arrestor. All of these can be signs of an intake manifold leak. About all you do it take it back in and find out. 8 vortec Sounds like the intake gasket is bad. Re: Bad oil leak under intake manifold I was thinking valve guides and seals. Did you remember to have it re-torqued as it should have been?. Could a bad intake manifold or gasket cause white smoke on a b2200 Mazda? White smoke usually indicates steam. turned into a gallon of coolant a week. An external engine oil leak can drip onto hot engine and exhaust parts causing what appears to be blue exhaust smoke. Difference Between Blown Head Gasket and Intake Manifold Gasket? Chevelle? Hey. I then noticed white smoke coming from the exhaust after I exited the freeway. Our dealership was great, but they could only do. thx pushrod. White smoke is coming out of the tail-pipe and it smells like anti-freeze being cooked. White smoke and the smell of raw gas out the exhaust. If the idle changes, the carb cleaner is getting pulled past the intake gaskets. Gasket 202A gaskets. This is the engine cylinder head gasket, there is no white smoke at all. Edit: I found a shop that will do it (ASE certified) for flat rate labor plus machine shop fee ($60) and I bring the parts. I did a valve job on a friends boat. A smoke machine can pressurize the intake manifold and put smoke or vapor into the system. It could have a blown head gasket or a cracked head, no oil and water mixing, but water is going into the cylinders and burning to create the white smoke? Any auto parts store has a kit/tool for sale. Almost every gasket and seal in your engine is designed to do one very specific thing: to keep a single type of fluid or gas from leaking out of, or into the engine. Many are ambiguous and can represent different problems. If the intake manifold is leaking it should only leak into the engine oil. 4 engines are commonly known for intake gasket leaks and the 3. I called the shop that did the work and they said it's probably a bad injector. Below are the top 5 symptoms of a bad intake manifold gasket. I am tearing down my engine to change the head gasket. Got home changed themostat, hoping that was the issue. Our dealership was great, but they could only do. Coolant is also distributed to the cylinders in this way. If you find one that's low there's your culprit. Could a bad head gasket fail, yet only cause the coolant to leak externally?. If the leak is persistent it's better to change the gaskets and hose. Unfortunately, in the event that there is loss in the integrity of the gasket, then there is the possibility that it may no longer prevent the seepage of coolant into the chamber. Re: White smoke at start up, MCM 165 Originally posted by Bubba1235 Water can be pulled back into the engine from the exhaust (especially at low RPMs), a bad head gasket can leak water into the cyl. fine for a little while. Several months later one engine started blowing white smoke. A clogged-up intake manifold might need to be removed and cleaned manually, or replaced all together. , gasoline smell, intake manifold, white smoke. 7 Vortec, you will normally have an external engine oil/coolant leak, and or mysterious coolant loss with no external leak, which. I checked all of the other cars moving with him and in front of me and there were only slight mists or wisps of white smoke coming from their exhausts. On your vehicle, you probably have already replaced the water pump, or the thermostat or the fan motor or know that all these are OK and yet the car or mini-van is overheating. And yes, the 4. Some oil in in the intake hose is not abnormal in these vehicles. Changed plugs, oil, and air filter and this didn't solve the problem. I did a valve job on a friends boat. I own an Audi A4 2008. The spark plugs are NOT wet and there is white smoking coming from valve covers (next to intake manifold). Signs of a Blown Head Gasket Having a blown head gasket is a big deal. Almost every gasket and seal in your engine is designed to do one very specific thing: to keep a single type of fluid or gas from leaking out of, or into the engine. -Check your intake manifold gasket where your exhaust gas recirc. Black smoke or very dark smoke coming from the exhaust pipe. 7 vortec this engine was is used in many models, sorry i dont like Dexcool, hope it helps thanks for watching. turned into a gallon of coolant a week. Replaced the gasket and oil and FILTER, thing ran for another 50K miles, no problems. We have checked everything that would make it the head or head gasket. It's also not overheating, and there's no white smoke. This is the engine cylinder head gasket, there is no white smoke at all. - Firstly, when idle there is white smoke coming out the exhaust pipes (either a tiny bit or billowing white smoke. The lower intake manifold gasket is what usually leaks. 8 v6, I used the K&W Nanotechnology Head Gasket & Block repair ($22), it is similar to Blue Devil. The head gasket is one of the most important components of your car's engine. Possibly blown head gasket. Yes there is a problem and my guess is the intake or exhaust gasket took a powder white smoke is water vapor in the combustion chamber getting this fixed asap is a really good idea leaving it sit will cause rust and corrosion problems that will destroy expensive steel parts with rust in a big fat hurry. There is coolant in oil, no oil in coolant. Or, when you turn off the car's ignition, it may keep on running for a while longer than it should. If your exhaust smells sweet (glycol) and is white smoke, you need to monitor your coolant levels and start looking into a head job. You said you think the upper intake is leaking, but I am 99% sure that it is air only. When the coolant is heated up, it will produce white smoke. Sue, I'm not sure about your engine size, but the 3. How to Check and Repair a Blown Head Gasket. Then after about 30 seconds to a minute, the white smoke should clear up. The white smoke has an odor, but I can't tell what the smell isI am very inexperienced. oil clean , pressure test cooling system shows internal leak looking at truck for a buddy evidence of slight intake leak at lf area ( common ) more diagnostics i guess, been a long time since i seen bad head gaskets on these engines. I'm thinking maybe the surging is a result from air being sucked in through the manifold gasket? What do you guys think?. pressure coming OUT of the intake manifold White to whitish-grey smoke which smelled of diesel not oil. I called the shop that did the work and they said it's probably a bad injector. 1-liter engine has a notorious weakness, a failure mode that GM will not cover after the warranty expires. Bad PCV Valve Symptoms and How to Test the PCV Valve Yourself I just got a new starter and intake manifold gasket repaired. There may still be a very small amount of coolant loss over this period of time, but if so, very little. I own an Audi A4 2008. Below are the top 5 symptoms of a bad intake manifold gasket. when restarted white smoke apeared, see no leaks around head but some steam and alittle coolant leak around turbo/exaust manifold mount, and on coolant lines into turbo. Re: White smoke at start up, MCM 165 Originally posted by Bubba1235 Water can be pulled back into the engine from the exhaust (especially at low RPMs), a bad head gasket can leak water into the cyl. Blown head gaskets often lead to oil leaking into the coolant, or coolant leaking into the oil. The white smoke has an odor, but I can't tell what the smell isI am very inexperienced. but it has a lot of water and milky junk inthe oil dipstick valve covers pvc valve etc. It may need to be replaced. If the noise you hear is a fast tap or clatter near the top of the engine, it could be valve noise which would require you to have some - 1999-2005 Pontiac Grand Am. 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. Head gasket(s)/cracked head(s). If your exhaust smells sweet (glycol) and is white smoke, you need to monitor your coolant levels and start looking into a head job. There was a vacuum line that had fallen under the corner of the intake manifold and gotten crimped under it (I think it goes to some heat or ac something it was the vacuum line on opposite side of the manifold from the throttle body). Other possible causes of blue exhaust smoke include: piston wear, worn valve seals, a dirty or non-functioning PCV valve, worn piston rings, an intake manifold gasket leak, worn engine oil seals and possibly even head gasket. 1) Coolant Leaking - In some cars, there are intake manifold gaskets which also serve as a seal for the coolant of the engine. If its green, its antifreeze. How to Find a Vacuum Leak. I am tearing down my engine to change the head gasket. would point towards an intake gasket leak. This looks like it may be the issue and I spent a couple of days removing the EFI and the intake manifold. This diagnostic will tell you what to look for if yours is smoking more than normal. I wouldnt be so sure about the headgasket because it would keep going even when warm. I went through the same thing when i replaced the intake manifold on my 03 GT due to a crack coolant crossover. White smoke or water vapor coming from the tailpipe, especially in the morning when the engine is cold. 0 ohv motor is notorious for having warped heads, cracked heads or bad head gasket issues. I guess I am going to look at taking the intake manifold off and replacing the gaskets at my earliest opportunity. which creates a vacuum in the intake manifold. Also if it was blown head gasket you would know. These were also revised not too long ago to use higher temperature rubber around the coolant ports, making them more resistant to failure as well. billowing white smoke at every start. Now, all smoke comes from the exhaust, oil dipstick, and oil cap. A bad head gasket could cause coolant in combustion - and/or could cause exhaust in the coolant system. I was also told it has a coolant leak. 3) Thermostat went BAD and is stuck closed and the coolant could not circulate. I then drove the vehicle home and saw that the smoke almost completely dissipated. It's such a big that some people will refer to it as a blown motor, or consider a repair so major that it often isn't worth completing and would be better to just have a whole new motor installed. White smoke is due to water getting in to a cylinder from a bad gasket, cracked block or a cracked head. Any coolant leaks should be addressed as soon as possible to prevent the possibility of serious engine damage occurring due to a bad intake manifold gasket. Different smoke colors can be caused by the following issues: grey or black smoke can be a rich condition, white smoke can be burning coolant, blue smoke can be burning oil. Yes there is a problem and my guess is the intake or exhaust gasket took a powder white smoke is water vapor in the combustion chamber getting this fixed asap is a really good idea leaving it sit will cause rust and corrosion problems that will destroy expensive steel parts with rust in a big fat hurry. Then white smoke from exhaust and under the hood, no smell this time, and a lot less smoke than last time. I have a mild 350 that doesn't seem to have any major mechanical problems, but its apparently way out of tune because it produces excessive white smoke out of the exhaust and the smoke kinda makes your eyes sting. Re: major white smoke from rebuilt 5. I wouldnt be so sure about the headgasket because it would keep going even when warm. i dont have the pop issue with the coolant reservior cap, but do have water in. I then noticed white smoke coming from the exhaust after I exited the freeway. Category Autos & Vehicles; What Your Exhaust Smoke Is Trying To Tell You - Duration: 3:42. At best, the engine will not crank or run. It is the role of the intake manifold to provide this oxygen. White smoke when startup - White smoke coming out of the exhaust engine can signal a serious problem with the vehicle except the 2-stroke engine. A smoke machine can pressurize the intake manifold and put smoke or vapor into the system. causing hydraulic lock in the cylinders. fine for a little while. Signs of a blown head gasket or intake gasket White Exhaust Smoke Head Gasket Repair Bars. How can I tell if it is?White smoke coolant loss?. The head gasket may leak coolant into a cylinder or into the crankcase. Diesel smoke (like blowby and oil use) is a worrying engine symptom which indicates that an engine is not running well, and its service life is likely to be shortened considerably, unless remedial action is taken. How to Check and Repair a Blown Head Gasket. It may need to be replaced. when restarted white smoke apeared, see no leaks around head but some steam and alittle coolant leak around turbo/exaust manifold mount, and on coolant lines into turbo. Thick white smoke pouring from the exhaust is usually due to a crack in the cylinder head, engine block or head gasket. Pull your oil dipstick and check for a foamy milky white on it. I was told that if the transmission modulator valve is bad that the vacuum could suck fluid in to the intake manifold and then in to the combustion chamber creating white smoke. And, I couldn't see the oil leaking yesterday. Does this make sense? I'll get it checked out tomorrow. 2L Intake Manifold gasket Coolant bypass tube Job gone bad Post by mdm6713 » Mon Mar 09, 2015 5:01 pm So my truck, ran fine before I started this, considering myself a capable mechanic I thought I could complete the job of removing the intake to swap the gaskets at the same time replace the L shaped metal coolant bypass hose that began to. which would cause the pressurized air to be pushing out the little crease making a weird noise. Sue, I'm not sure about your engine size, but the 3. 3) Thermostat went BAD and is stuck closed and the coolant could not circulate. Category Autos & Vehicles; What Your Exhaust Smoke Is Trying To Tell You - Duration: 3:42. I called the shop that did the work and they said it's probably a bad injector. You can test for leakage past the intake gaskets by pulling the PCV out of the valve cover and spraying carb cleaner into the hole. Honda Civic Gen Tech and Builds / Show Offs. Additional causes include a cracked cylinder head or engine block or the intake manifold gasket failure if it's used to distribute coolant into the cylinder head (engine designs vary). It may leak and allow the coolant to enter the intake port, the crank case, or it can drip down the side of engine on the outside. Head gasket(s)/cracked head(s). Gaskets are subject to extremely high temperatures and pressures. Re: White smoke at start up, MCM 165 Originally posted by Bubba1235 Water can be pulled back into the engine from the exhaust (especially at low RPMs), a bad head gasket can leak water into the cyl. Many times white smoke can begin after the engine has been overheated. Then white smoke from exhaust and under the hood, no smell this time, and a lot less smoke than last time. Knowing what is causing the coolant to leak from your exhaust manifold can help save you time and money. The heads aren't cracked so I think it might just be my intake manifold gasket that is bad. No fuel leaks. the truck runs great dosent smoke- steam or overheat. A head gasket leaking coolant into a cylinder can foul the spark plug and create a lot of white smoke out the exhaust. If your egr cooler is leaking coolant internally, you would see coolant in the intake plenum and your engine would be eating it that way. Some oil in in the intake hose is not abnormal in these vehicles. If your problem is thick white smoke coming out the exhaust pipe, most likely you have a blown intake manifold gasket. 8 is known for the intake manifold going bad. I have a '92 Explorer with the 4. Below are the top 5 symptoms of a bad intake manifold gasket. Cold/slightly warm air blowing from the heater and dirty/oily coolant would point toward a head gasket issue. Average repair cost is $1,050 at 71,700 miles. I would hope your mechanic at least checked the dip stick to make sure the oil does not have a milky color. Gaskets are the seals placed between engine components before they are assembled in order to provide a. An external engine oil leak can drip onto hot engine and exhaust parts causing what appears to be blue exhaust smoke. New water pump last week because the pump was leaking coolant, but now I find the car is still leaking coolant, and some has gotten into the oil. Blown head gaskets often lead to oil leaking into the coolant, or coolant leaking into the oil. It seems like no oil leak as of today. Lets just hear what everyone would list as symptoms of a blown or leaking intake gasket. i just hate to spend 2000 on a eng and it just be the intake or like i said my eng. Pull your oil dipstick and check for a foamy milky white on it. What is sucked in will influence the fuel mixture and impact engine and emissions systems. White smoke coming out of tailpipe? Blownhead gasket is what you might have. Mine started misfiring, with new plugs. intake gaskets and now when i start it, it begins to smoke white and starts to Yes, you could have a bad intake manifold gasket- very common. Head gasket(s)/cracked head(s). sensor from the intake. And, I couldn't see the oil leaking yesterday. Now that I see the intake manifold gasket is bad I really hope this is the problem and I can put her back together again from here. 0 V6 EFI engine (pushrod type). These were also revised not too long ago to use higher temperature rubber around the coolant ports, making them more resistant to failure as well. These parts take the role of distribution the combustion mixture, along with the coolant to the separated intake port. try moving the air temp. I went through the same thing when i replaced the intake manifold on my 03 GT due to a crack coolant crossover. It may leak and allow the coolant to enter the intake port, the crank case, or it can drip down the side of engine on the outside. turned into a gallon of coolant a week. I've got some major gremlins that i can't seem to narrow down and i want other peoples opinions to make sure I'M on the right track. If you buy aftermarket, it's a tossup. 1995- 2004, 3800 Intake Manifold Coolant Leak Cheap Fix! V6 Engine (VIN K - RPO L36) 3800 Series II w/ Plastic Intake Manifold IF your problem is coolant going directly into the engine, by ANY the indicators below. 8 mustang cause white smoke out tail pipe n water in oil. It's suddenly blowing white smoke out the exhaust. Yes there is a problem and my guess is the intake or exhaust gasket took a powder white smoke is water vapor in the combustion chamber getting this fixed asap is a really good idea leaving it sit will cause rust and corrosion problems that will destroy expensive steel parts with rust in a big fat hurry. Bad Head Gaskets: Internal coolant leaks are most often due to a bad head gasket. It was a really easy project and I was quite happy with it. We have checked everything that would make it the head or head gasket. 8 v6, I used the K&W Nanotechnology Head Gasket & Block repair ($22), it is similar to Blue Devil. Smoke came out the exhaust. Our dealership was great, but they could only do. Intake manifold gaskets are responsible for sealing the intake manifold against the cylinder head(s). In this video demonstration I give a quick over view on how I go about repairing a leaking lower intake manifold on a GMC 5. Coolant in the cylinders will cause: White smoke coming from the tailpipe Water leaking from the tailpipe Bubbling in the radiator and coolant reservoir Milky white coloration in the oil. I called the shop that did the work and they said it's probably a bad injector. It seems as though if I learned more about which ports within the intake go to where may help to decide but I don't know. Signs of a Blown Head Gasket Having a blown head gasket is a big deal. I did a valve job on a friends boat. A vacuum gauge is connected to the intake manifold engine and the engine is run at 2,000 rpm. Tech Archive (No Posting). If you see this, then it means the seal will not hold and will be susceptible to leakage. Our technicians tell us that operating the engine with a coolant/oil mix can result in internal engine damage. We bought a new '99 and put only 19,000 miles on it in 3 years. im thinking blown gasket. If you have large clouds of thick white smoke that hang in the air behind the car (a little wisp that fades quickly is normal when it's cold outside) you have a blown head gasket, a bad intake manifold gasket, or a cracked head or block. The main symptoms of a blown intake gasket include but are not limited to an overheating engine, white, milky oil and white smoke from the exhaust pipe. The coolant leaking from below the exhaust flag can also be a red flag, and bubbles may form in the radiator or cooler overflow tank. if i hook up jumper cables to my other car i can get it to start and it stays running after i remove them. Added gallon of water to get home (20 miles). -Check your intake manifold gasket where your exhaust gas recirc. 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. do i have a bad head gasket and battery? 17 Answers. as it runs it begins to blow white smoke out of the exhaust and. White Smoke in Exhaust; We said that the head gasket keeps oil and coolant out of the combustion chamber so that your engine will be performing optimally. About all you do it take it back in and find out. I have a '92 Explorer with the 4. The head gasket is one of the most important components of your car's engine. If you notice a burning smell and/or see wisps of smoke coming from beneath the car, that could indicate a bad or failing exhaust manifold gasket. If you see this, then it means the seal will not hold and will be susceptible to leakage. I am currently blowing white smoke out of the tail pipe on start up. But, exhaust gas is still leaking between gasket. Re: White smoke coming from intake exhaust manifold area Thanks Manic. There was white steam/smoke coming off of the engine (it wasn't billowing, just a small amount). But, exhaust gas is still leaking between gasket. Just wondering if there is any truth to this. I put my intake manifold back on and filled all my fluids after the engine was put all back together. the only thing i can think of is a slow leak cracked head or intake manifold. If your problem is thick white smoke coming out the exhaust pipe, most likely you have a blown intake manifold gasket. Not that big a deal. If you have large clouds of thick white smoke that hang in the air behind the car (a little wisp that fades quickly is normal when it's cold outside) you have a blown head gasket, a bad intake manifold gasket, or a cracked head or block. Read more Ford reviews to learn about other models. 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've got a 99 cadillac Deville that I've been told has a vacuum leak from the intake manifold. This company is not yet accredited. I was hoping it was coolant burning off the engine from me filling and bleeding it, until I saw the puddle under the intake manifold was back. The reason it's not a blown head gasket is because head gaskets holds in pressure, therefore when a head gasket lets go, it releases pressure into the engine or causes coolant to leak into the oil passages. Also, I only can see oil leak from upper side of exhaust manifold, no oil leak from lower side. OK, I have fifty years of experience as a gear head working on cars and building high performance engines. VAN emits whitish bluish smoke and bad fuel smell from exhaust How to Replace an Intake Manifold Gasket. So as soon as I noticed, I stopped driving or starting it. 0 V6 EFI engine (pushrod type). If indeed smoke is white, pull spark plugs one at a time & look for heavy white crust on end of plug, if so that cylinder is getting water in it. Usually the intake manifold doesn't fail, it's the gasket that goes bad. Sue, I'm not sure about your engine size, but the 3. A blown intake gasket can cause havoc in an otherwise healthy car engine, but the symptoms can be difficult to detect. I put my intake manifold back on and filled all my fluids after the engine was put all back together. Will a bad upper intake manifold gasket on a 97 3. The second picture is a zoom-in of the first one. do i have a bad head gasket and battery? 17 Answers. And, I couldn't see the oil leaking yesterday. 7 merc magnum My dilemma now is trying to figure out who messed up (other than me). Also if it was blown head gasket you would know. If the intake manifold is leaking it should only leak into the engine oil. OK, I have fifty years of experience as a gear head working on cars and building high performance engines. Below are the top 5 symptoms of a bad intake manifold gasket. Examples are the front cover gasket, cam seals, intake manifold gasket, thermostat housing gasket, etc. ) - When I turn the fans to the outside air option there's a burning smell. There was a cloud. I was told that if the transmission modulator valve is bad that the vacuum could suck fluid in to the intake manifold and then in to the combustion chamber creating white smoke. It is the role of the intake manifold to provide this oxygen. Technician B is wrong because a bad head gasket would cause coolant to leak into one or more cylinders, resulting in white exhaust smoke. Different smoke colors can be caused by the following issues: grey or black smoke can be a rich condition, white smoke can be burning coolant, blue smoke can be burning oil. Is it possible to get white smoke from the exhaust from an intake manifold leak on this vehicle? Would there be any difference in smoke symptoms between an intake manifold and head gasket leak?. Lets just hear what everyone would list as symptoms of a blown or leaking intake gasket. See attached. Re: major white smoke from rebuilt 5. When I first start it up I get a lot of white smoke from the. Is a definite sign of running rich. Additional causes include a cracked cylinder head or engine block or the intake manifold gasket failure if it's used to distribute coolant into the cylinder head (engine designs vary). There is coolant in oil, no oil in coolant. How to Check and Repair a Blown Head Gasket. 80% sure your head gasket is fine. Then white smoke from exhaust and under the hood, no smell this time, and a lot less smoke than last time. Bad Intake Manifold Gasket Symptoms. 2L Intake Manifold gasket Coolant bypass tube Job gone bad Post by mdm6713 » Mon Mar 09, 2015 5:01 pm So my truck, ran fine before I started this, considering myself a capable mechanic I thought I could complete the job of removing the intake to swap the gaskets at the same time replace the L shaped metal coolant bypass hose that began to. I own an Audi A4 2008. but then I started the car it started blowing a lot of white smoke, like an insane amount of smoke. This is because the two stroke engine have back up oil which normally enters the fuel chamber to lubricate the piston. Diesel smoke (like blowby and oil use) is a worrying engine symptom which indicates that an engine is not running well, and its service life is likely to be shortened considerably, unless remedial action is taken. 7 merc magnum My dilemma now is trying to figure out who messed up (other than me). How to Check and Repair a Blown Head Gasket. the only thing i can think of is a slow leak cracked head or intake manifold. It's smoke. Knowing what is causing the coolant to leak from your exhaust manifold can help save you time and money. I've seen rust if the engine hasn't been run. The signs of a blown head gasket can be subtle. Still wondering how I might know if it is my upper intake manifold or head gasket. See attached. It seems like no oil leak as of today. This plastic manifold was used on most 3. So it most likely be the intake manifold if I am overheating sometime and losing a bit of water however no white smoke coming out of exhaust? Intake manifold gasket should be easy enough to replace it but is there a way to confirm it before taking apart that it the intake manifold gasket?. A blown head gasket will make your 3. Intake manifold gasket works as a seal for the coolant of your car engine. Overheating an engine can quickly cause a warped cylinder head and a blown head gasket. It would over heat a lot of smoke and run like crap.