Bad Intake Manifold Gasket White Smoke



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?. If your problem is thick white smoke coming out the exhaust pipe, most likely you have a blown intake manifold gasket. 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. After about 30 miles at highway speed, I will get smoke coming from engine compartment and into cabin and a bad smell I can't positively identify. but i did only run it for 5 mins maybe i was afriad it was a blown HG and i would be fawlkin up my. The other morning, I noticed a cloud of white smoke coming from the exhaust during the engine warm up and initial drive. [email protected]! Definitely burning coolant. How does a new valve cover stop engine oil from entering the intake. The intake manifold gasket’s seal bead has plastic under it that may be eaten away as well. Well, I just fixed the oil leak out of the rear seal of my intake manifold. or even a lower injector oring. I guess I am going to look at taking the intake manifold off and replacing the gaskets at my earliest opportunity. Blown head gasket symptoms and how you can repair the leak yourself with this simple trick. If the idle changes, the carb cleaner is getting pulled past the intake gaskets. Intake manifold air leaks will suck in air, not expel it. 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. and no, nothing is definate yet. lose of coolant/white smoke from exhaust/ cant be - Automotive | DSLReports Forums, broadband news, information and community Your description is that of a blown head gasket. So I'm thinking either head gasket or intake manifold gasket. 80% sure your head gasket is fine. If I'm driving through town it tends to start smoke after I have been sitting at a stop light for a couple minutes. The intake manifold gasket on some engines can leak, resulting in coolant entering the chamber and burning white. White smoke out the tailpipe means you're burning up coolant so it's leaking into the combustion chamber. The other thing I could see being the issue is the coolant hoses on the manifold. i could smell the antifreeze. Ref: White smoke, check your brake fluid level, I had a cloud of white smoke out of the back of my v8 disco when doing a brake test. I know it's a little odd for this problem to be happening now. Vacuum leaks are often coming from the intake manifold gasket, broken vacuum hoses or the throttle body gasket; If you have any other questions about vacuum leaks or want to tell us your story of how you found your vacuum leak, comment down below. not out the tailpipe but it will smoke by the engine. This can also be caused by a leaking intake manifold gasket. Title says it, I replaced intake manifold gaskets and head gaskets, still getting huge amounts of white smoke. So, the intake manifold gasket is the seal that connects the intake manifold to the engine. What is sucked in will influence the fuel mixture and impact engine and emissions systems. Don't know if ifs oil or dirt and fuel mixed. You have confirmed that the overheating issue is not being caused by an inoperative fan or a bad thermostat. look at the plugs first. Negative Vehicle Performance A fault in the exhaust manifold can also present as negative performance in the vehicle. 3) Thermostat went BAD and is stuck closed and the coolant could not circulate. This is the most effective blown head gasket test and can give you a positive sign of a blown head gasket. My 1995 Pontiac Firebird Trans Am is burning coolant in the engine and it is coming out the exhaust. Also if it was blown head gasket you would know. 1-liter engine has a notorious weakness, a failure mode that GM will not cover after the warranty expires. The head gasket will be below or inboard of the exhaust manifold. Sounds like you have a bad headgasket. The lower intake manifold gasket fails and leaks coolant into the engine oil. Many times white smoke can begin after the engine has been overheated. Troubleshooting an Intake Manifold Gasket. Brief video of how to diagose a blown headgasket or intake gasket. Not sure on the oil, but I wouldn't be surprised if the piston rings or valve seals are a little tired at 200k. Car has 73000 miles only. 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 problem is thick white smoke coming out the exhaust pipe, most likely you have a blown intake manifold gasket. But to add to that problem, there is white smoke coming from my intake manifold right under the clamp. When this happens, the engine gets overheated due to the leakage of coolant, gas, and air. bluish white smoke from tailpipe - '06 4. thx pushrod !. Is a definite sign of running rich. If you see this, then it means the seal will not hold and will be susceptible to leakage. turned into a gallon of coolant a week. Watch this. An easy do-it-yourself test for a blown head gasket is to perform a chemical test using this type of tester on your coolant to check for the presence of exhaust gases to see if this is happening in your car. Could be a bad intake manifold gasket seal so that the intake port sucks oil from under the intake past the gasket and into the cylinder. If that area is not full, high chance it's fine. In some cars, there are intake manifold gaskets which also serve as a seal for the coolant of the engine. When this happens, the engine gets overheated due to the leakage of coolant, gas, and air. The intake manifold gasket on some engines can leak, resulting in coolant entering the chamber and burning white. I already have my distributer off, intake manifold, TBI, and one side of my exausht manifolds. fine for a little while. Skip navigation Sign in. The lower intake manifold gasket fails and leaks coolant into the engine oil. An external engine oil leak can drip onto hot engine and exhaust parts causing what appears to be blue exhaust smoke. Sounds like you have a bad headgasket. I had the dealership replace the manifold gasket the first time at about 40,000 miles before it got to. I was also told it has a coolant leak. 12V but I know at least 1 cell on main starter is bad and battery was almost fully discharged before C charged it again. The head gasket will be below or inboard of the exhaust manifold. 0 ohv motor is notorious for having warped heads, cracked heads or bad head gasket issues. Intake gasket is the first section to check when you have white smoke from the exhaust Inside the car, there is a gasket that seals the manifold to the head. The fix, involving replacement of the upper plastic (composite) intake manifold, gaskets, and peripherals is costly; but much less expensive than replacing the engine, which will have to be done if this repair is not completed. This is an expensive repair, but I have a trick. not out the tailpipe but it will smoke by the engine. The second picture is a zoom-in of the first one. Intake manifold air leaks will suck in air, not expel it. A leaking intake manifold gasket can cause white smoke from the exhaust, if the engine has coolant flowing through the intake manifold. white smoke was pouring out of the intake. Intake gasket is the first section to check when you have white smoke from the exhaust Inside the car, there is a gasket that seals the manifold to the head. A smoke machine can pressurize the intake manifold and put smoke or vapor into the system. Overheating Engine. The lower intake manifold gasket fails and leaks coolant into the engine oil. So I'm thinking either head gasket or intake manifold gasket. Upper intake gaskets: If you buy the GM upper intake manifold, these will be included in the box. The heads aren't cracked so I think it might just be my intake manifold gasket that is bad. 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. You said the turbo was blown, yet whiteish smoke is still coming from the exhaust (and back of block), this could possibly explain both. The intake manifold gasket on some engines can leak, resulting in coolant entering the chamber and burning white. My initial though was that the head gasket was going bad. 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. White smoke can mean one of two things. started losing coolant one day. If I am sitting at a light it doesn't smoke until I accelerate, then when I take off, enough smoke comes out to smoke out an intersection. Which would explain the thick white smoke, the rough idle, hissing, and the hydrolock symptoms. 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. white smoke was pouring out of the intake. 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. Ref: White smoke, check your brake fluid level, I had a cloud of white smoke out of the back of my v8 disco when doing a brake test. White Smoke is coming out of the tail-pipe and it smells like Anti-Freeze being cooked. 4L van (or car, pick up, SUV) is overheating. 3) Thermostat went BAD and is stuck closed and the coolant could not circulate. Cold/slightly warm air blowing from the heater and dirty/oily coolant would point toward a head gasket issue. 8 vortec Sounds like the intake gasket is bad. A bad intake manifold gasket can produce similar symptoms on start up because when the engine is shut down, coolant will leak down into a particular intake runner, that cylinder will take a little bit to clear before it starts to run good after a cold start. 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. Bad Intake Manifold Gasket Symptoms 1. New radiator cap, changed thermostat, no fix. thats your least invasive test aside from pressure test. The tell-tale signs of a blown head gasket would be water/coolant getting back into the engine oil and/or white smoke coming from the exhaust pipe. 0 carb mercruiser and everything seems to be running fine except alot of white smoke while im running it in the driveway. 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?. Based on your description, it doesn’t seem like you have any of the tell-tale signs, so it would be difficult to say that it’s head gasket related. Some white smoke could be from a badly leaking intake gasket. Negative Vehicle Performance A fault in the exhaust manifold can also present as negative performance in the vehicle. The lower intake manifold gasket fails and leaks coolant into the engine oil. If the intake manifold gaskets leak coolant into the intake manifold the engine may overheat as a result, without any visible external leaks. White smoke accompanied by a sweet smell signals that oil is leaking to the cylinders. Our technicians tell us that removal and inspection of the cylinder heads will be required to confirm a crack is present. 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. Unfortunately, these symptoms often arrive when it is too late to sort the problem out. The car purrs like a kitten, but what's thisshe's had a few drops of water spurt out of the exhaust tips and a little white smoke coming out too! After warming up, she seems to smoke less, but still smoking. first it was #2 misfire. If you had a cracked block you would have the coolant in the motor oil. What could cause white smoke, other than a bad head gasket. 8 vortec Sounds like the intake gasket is bad. Title says it, I replaced intake manifold gaskets and head gaskets, still getting huge amounts of white smoke. (Credit: Tony Harrison, Flickr) Why you shouldn't ignore blown head gasket symptoms. A smoke machine allows you to diagnose multiple leaks in less time compared to other ­methods. A head gasket leaking coolant into a cylinder can foul the spark plug and create a lot of white smoke out the exhaust. External leaks are very easy to find. 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. Plumes of white smoke, not the head gasket. The gasket could be broken down by exposure to heat or chemicals like coolant that have direct contact with the manifold. 2000 taurus can a bad intake gasket cause white smoke from tail pipe? changed head gaskets but broke intake manifold bolt can this cause the smoke or is the head bad Follow. You'll be doing the intake manifold gasket in the process, but your symptoms are almost surely HG or bad head. A vacuum gauge is connected to the intake manifold engine and the engine is run at 2,000 rpm. A bad intake manifold gasket can produce similar symptoms on start up because when the engine is shut down, coolant will leak down into a particular intake runner, that cylinder will take a little bit to clear before it starts to run good after a cold start. White smoke out of intake is bad. Brief video of how to diagose a blown headgasket or intake gasket. I have a small camera that I was able to stick down behind the engine to get some pics, and now that I've seen the pics I'm thinking the intake manifold is definitely leaking. Sent heads out to machine shop. if you have white smoke coming out the tailpipe it,s the head gasket leaking into the combustion chamber and going out the tailpipe. started losing coolant one day. 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. 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. Big clouds of white smoke and when enough coolant has been burned it overheats. The intake manifold gasket on some engines can leak, resulting in coolant entering the chamber and burning white. 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. Based on your description, it doesn’t seem like you have any of the tell-tale signs, so it would be difficult to say that it’s head gasket related. If the outer perimeter of the head gasket develops a break at an oil passage, you'll usually notice it right away due to smoke or oil coming from the junction between the block and head. My question is could this be just normal, the white smoke comes a few minutes after startup and continues at any rpm except a few seconds after i bring her down. i gave it a few mins and looked if there was anything that i could see was wrong and i dint see anything so i tryed starting it, it stumbled a lil and started up and ran fine. The large amounts of white smoke at startup (similar to a Seafoam treatment) and the rough idle have pretty much been eliminated. There may still be a very small amount of coolant loss over this period of time, but if so, very little. would point towards an intake gasket leak. If excessive oil enters the combustion chamber, blue gray colored exhaust will result. If I'm not mistaken, this causes coolant to enter the intake manifold and either burn off or hydrolock the engine (depending on how bad the leak is). 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. It smells like straight exhaust gasses. Coolant in a cylinder does not always mean you have a bad head gasket or cracked head. then the leak. When I open the hood, I see the white smoke coming from the area which I highlighted with red in the first picture. I took the intake manifold to my machine shop and they milled the intake to create more preload on the gasket at the bottom of the port than at the top. White smoke can mean one of two things. This is because the two stroke engine have back up oil which normally enters the fuel chamber to lubricate the piston. 8 vortec Sounds like the intake gasket is bad. It does not always happen, although the times it did, my car was on a steep incline pointing upward. 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. The other source of white smoke is ATF. Overheating Engine. The intake gasket provides a seal between the intake manifold and the cylinder head in a car's engine. Then white smoke from exhaust and under the hood, no smell this time, and a lot less smoke than last time. My initial though was that the head gasket was going bad. Not sure on the oil, but I wouldn't be surprised if the piston rings or valve seals are a little tired at 200k. Most E46 models utilize a runner profile-style gasket for the intake manifold. The intake manifold gasket’s seal bead has plastic under it that may be eaten away as well. Car has 73000 miles only. I stop at. white smoke was pouring out of the intake. Not that big a deal. So a couple weeks ago I did the head gasket, intake manifold gaskets, exhaust manifold gaskets, etc. fine for a little while. It's also not overheating, and there's no white smoke. White smoke in the exhaust is coolant and blue smoke is oil. 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. Not burning oil from manifold and not coolant leak smell. Clean and inspect the sealing surfaces VERY closely for pitting deep enough to cause a problem (thanks early Dex-cool). Also check the valve seals to see if they are in position and not damaged. The Chevy 3. Coolant around the engine or ground would be exterior leak of. 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. These sections take the role of distribution in the combustion mixture, onward with the coolant to the separated intake port. Intake manifold gasket works as a seal for the coolant of your car engine. White smoke coming from the exhaust could indicate that a head gasket has blown or there is a cracked cylinder head. Overheating Engine. The other morning, I noticed a cloud of white smoke coming from the exhaust during the engine warm up and initial drive. if it is for sure coming from the intake manifold: i said the gasket because even if something was smoking, it should not escape from under your intake manifoldthat should be sealed tight (where smoke cant come out). Sue, I'm not sure about your engine size, but the 3. I am fairly certain that the intake manifold has no coolant in it. Intake Manifold Gasket Leaks The most common leaks found in an engine are intake manifold gasket leaks. 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. White smoke out the tailpipe means you're burning up coolant so it's leaking into the combustion chamber. The second problem is that the plastic lower manifold gaskets (between the intake manifold and the heads) will disintegrate slowly over time. Could it be from the coolant that was already in the combustion chamber from before I replaced them?. Some white smoke could be from a badly leaking intake gasket. 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. White smoke coming from the exhaust could indicate that a head gasket has blown or there is a cracked cylinder head. Any sort of burning smells should be checked out as soon as possible to make sure. An easy do-it-yourself test for a blown head gasket is to perform a chemical test using this type of tester on your coolant to check for the presence of exhaust gases to see if this is happening in your car. White smoke in the exhaust is coolant and blue smoke is oil. if it is for sure coming from the intake manifold: i said the gasket because even if something was smoking, it should not escape from under your intake manifoldthat should be sealed tight (where smoke cant come out). bluish white smoke from tailpipe - '06 4. or even a lower injector oring. Had white / blue smoke and bad emmisions before doing any work so failed MOT. thats your least invasive test aside from pressure test. It does not always happen, although the times it did, my car was on a steep incline pointing upward. So, if the outrageously HIGH price** for the replacing of the Blown Head Gaskets, or for changing of the Warped / Cracked Engine Heads, or even for the Engine Rebuilding, that you have been quoted by the local Mechanics or Repair Shops (or worse, by the local Car Dealers!). then the leak. Title says it, I replaced intake manifold gaskets and head gaskets, still getting huge amounts of white smoke. 8 is known for the intake manifold going bad. Yo, so i got the oil changed a few days ago today driving home i notice the low oil light on over and engine shook a little plug was gone got more oil and a plug refilled and in startup white smoke came from the exhaust drives ok I'm at about 25k and got tuned notice now it doesn't kick as much from a stophope it's my imagination, could a gasket have blown?. Sent heads out to machine shop. If I'm not mistaken, this causes coolant to enter the intake manifold and either burn off or hydrolock the engine (depending on how bad the leak is). Valve job and head gasket were done maybe 20k miles ago, probably 8 years, just before I bought it. "I have 2001 3. Oil on dipstick is slightly milky. Then do the compression test. Well, if you are getting white smoke, that tends to say coolant is burning. Brief video of how to diagose a blown headgasket or intake gasket. When I drive the car for more than 15 minutes I get white smoke coming from under the hood and a burning smell getting into my air conditioning system. I will tomorrow as soon as I put new oil in there and have the bad one all out. gm forum at Car Dealer There MIGHT be a hint of white smoke coming out of the. After completion engines ran fine. So, the intake manifold gasket is the seal that connects the intake manifold to the engine. Clean and inspect the sealing surfaces VERY closely for pitting deep enough to cause a problem (thanks early Dex-cool). Plumes of white smoke, not the head gasket. I'm thinking maybe the surging is a result from air being sucked in through the manifold gasket? What do you guys think?. blown head gasket TDI 101. Rob, I also thought it was the header(non-plural) gasket thinking that was it and made sure I sat it in perfectly again and still the same thing. My question is could this be just normal, the white smoke comes a few minutes after startup and continues at any rpm except a few seconds after i bring her down. 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. would point towards an intake gasket leak. Intake manifold air leaks will suck in air, not expel it. Ref: White smoke, check your brake fluid level, I had a cloud of white smoke out of the back of my v8 disco when doing a brake test. The intake manifold gasket can wear down and experience leaks or gaps in the seal. If you have white smoke coming out of the exhaust then there is water entering the combustion chamber. When this happens, the engine gets overheated due to the leakage of coolant, gas, and air. i replaced my stock intake(due to pos plastic leaking coolant)1998 mustang gt with the dorman intake manifold i saw now white smoke out of the. The heads aren't cracked so I think it might just be my intake manifold gasket that is bad. A blown head gasket. If I am just driving on the highway no smoke. Based on your description, it doesn’t seem like you have any of the tell-tale signs, so it would be difficult to say that it’s head gasket related. I've seen the gasket burn up there (when oem) and cause a small amount of smoke/exhaust leak under/next to the intake manifold. Brief video of how to diagose a blown headgasket or intake gasket. There's a test that a shop can do to see if combustion gases are mixed with the coolant. 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. Could it be from the coolant that was already in the combustion chamber from before I replaced them?. My 1995 Pontiac Firebird Trans Am is burning coolant in the engine and it is coming out the exhaust. This plastic manifold was used on most 3. billowing white smoke at every start. I have a small camera that I was able to stick down behind the engine to get some pics, and now that I've seen the pics I'm thinking the intake manifold is definitely leaking. 100% sure test is how hard the coolant line is after a full normal day commute after a few hard pulls, your inexplicably loosing coolant. 8 is known for the intake manifold going bad. 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?. To check it, drain the oil and look for signs of contamination by the coolant. Traced it to the vaccum pipe between the servo and the intake manifold sucking brake fluid from the servo/leaking brake master cylinder. and every other gasket/seal I could with the motor on a stand. My first thought is, "blown head gasket," but the car runs smooth as silk while in gear and driving. Any sort of burning smells should be checked out as soon as possible to make sure. then the leak. Sent heads out to machine shop. 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. A bad head gasket could cause coolant in combustion - and/or could cause exhaust in the coolant system. And yes, the 4. 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. White smoke in the exhaust is coolant and blue smoke is oil. 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. What is sucked in will influence the fuel mixture and impact engine and emissions systems. After about 30 miles at highway speed, I will get smoke coming from engine compartment and into cabin and a bad smell I can't positively identify. Vacuum leaks are often coming from the intake manifold gasket, broken vacuum hoses or the throttle body gasket; If you have any other questions about vacuum leaks or want to tell us your story of how you found your vacuum leak, comment down below. 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. This can be from a faulty head gasket, intake manifold gasket (depending on the engine design), a cracked engine block or cylinder head. 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. In some cars, there are intake manifold gaskets which also serve as a seal for the coolant of the engine. The only two things that can make coolant smoke for a vg33 are a blown head gasket or a blown lower intake manifold gasket but you're not losing coolant in the first place Oil smoke can come from piston rings, valve stem seals or pcv problems Next step is a leak down test and it should give an obvious answer since you burned so much oil. The intake manifold gasket seals the intake manifold to the cylinder heads. Smoke from engine or exhaust Inspection Service You can learn a lot about the health and well being of your car from the color of its exhaust. 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. This is the most effective blown head gasket test and can give you a positive sign of a blown head gasket. These parts take the role of distribution the combustion mixture, along with the coolant to the separated intake port. 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. 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. Yo, so i got the oil changed a few days ago today driving home i notice the low oil light on over and engine shook a little plug was gone got more oil and a plug refilled and in startup white smoke came from the exhaust drives ok I'm at about 25k and got tuned notice now it doesn't kick as much from a stophope it's my imagination, could a gasket have blown?. 4L van (or car, pick up, SUV) is overheating. White smoke usually indicates steam. 8 vortec Sounds like the intake gasket is bad. Pull your oil dipstick and check for a foamy milky white on it. turned into a gallon of coolant a week. bluish white smoke from tailpipe - '06 4. 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. Re: Bad intake gasket I meant when driving I smell antifreeze. And yes, the 4. Most head gasket leaks will be between the combustion chamber and the coolant passage in your engine. If its green, its antifreeze. A vacuum gauge is connected to the intake manifold engine and the engine is run at 2,000 rpm. I stop at. First thing that comes to mind is blown head gasket or a cracked head. This problem is a nightmare to me. Replaced the modulator for $12 and everything is right with the world Answer 13 i had the exact problem with my mazda down to a T. Started having overheating issues. vacuum leak, cracked head and failed gasket are the current likely suspects. (1) Water condensation from a blown and leaking head gasket: This gasket is the seal between the cylinder head and engine block. Once the engine warms up to 104 degrees, it quits smoking from the tail pipe as well as when I go down the road. My symptoms are down on power a little bit, really hard to start every morning, as well as any time the cooling system has pressurised up, no water in oil, no oil in water, White smoke/steam from the exhaust, exhaust smell is a mix between petrol and water oh, and im losing quite a bit of water but there are no visible leaks (im probably losing 1-2L a week). 8L GM engines from 1995 thru 2005. then the leak. [This message has been edited by craigsfiero2007 (edited 01-30-2014). A Lot of Auto's sense manifold vacuum, Nissans in particular can blow massive amounts of WHITE smoke when the vacuum diaphram ruptures thus allowing transmission fluid to suck back into inlet manifold. 8 vortec Sounds like the intake gasket is bad. Have an '05 Pontiac Aztek with the GM V6. Could be a bad intake manifold gasket seal so that the intake port sucks oil from under the intake past the gasket and into the cylinder. 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. If you see this, then it means the seal will not hold and will be susceptible to leakage. i gave it a few mins and looked if there was anything that i could see was wrong and i dint see anything so i tryed starting it, it stumbled a lil and started up and ran fine. Smell the smoke. White smoke accompanied by a sweet smell signals that oil is leaking to the cylinders. Very strong odor. Ref: White smoke, check your brake fluid level, I had a cloud of white smoke out of the back of my v8 disco when doing a brake test. Valve job and head gasket were done maybe 20k miles ago, probably 8 years, just before I bought it. pressure coming OUT of the intake manifold White to whitish-grey smoke which smelled of diesel not oil. if its coming from the intake manifold you have a gasket leak or a cracked manifold now bugger off they thats the intake. Before I go any further I wanted to know if anyone could tell if it is the intake manifold or a blown head gasket. Made of rubber and plastic, this gasket can get cracked or damaged due to extreme heat and continuous shrinking and expansion. The only externally visible sign of a blown head gasket would be coolant externally leaking from the head gasket. It should smell like antifreeze/steam. White smoke can be two things. 8L GM engines from 1995 thru 2005. Which is why your exhaust smoke is white and smells like burning coolant, along with the fact you are using coolant. 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. i dont have the pop issue with the coolant reservior cap, but do have water in. i could smell the antifreeze.