If the intake web is leaking, it will look just like a rear main seal leak These two bolt holes or oil passages will also look like a rear main seal leak. Leaking fuel injectors can cause Oil Thinning. The valve cover gasket on these tend to leak, just like first gen MINI. It is accepted that such seals will leak a very small amount of oil vapor during normal service. I thought it was possibly the turbo seals. The guys at the dealership showed me a bad turbo with more play but they explained the symptoms and said while my turbo may be old and worn, it's not bad enough to warrant replacing, they insist I have to find this boost leak to see if eliminating that will give me a diagnosable problem, or a fix to the current problem. Piston blow by pressure has to be relieved by the bleeder valve. The vehicle in this video has a leak in the front main seal of the automatic transmission. What Are the Symptoms of Code P0456?. Always check your engine valley for oil first. Any extraneous substances in the air from the turbo can also damage the intercooler parts. 9L Engine and Transmissions (2003-2007) Archive ' started by fkovalski , Aug 12, 2013. A typical symptom of bad valve seals/guides is you will notice oil/deposits built up on the side of the spark plug facing the intake valve. This is rare, but it may happen. Rear main seal leak? I thought I had read on here about some others who had an oil leak that turned out to be the rear main engine seal but I can't find it. BMW bi turbo engines (335d and 535d) often suffers from charge air line hose leak. i have look around but the prices are insane $50 each with weld on flanges. If you see smoke just few seconds after acceleration these are valve seals. on a full engine rebuild, I've noticed a 2 inch wide path of oil film on the oil pan below the flywheel/RMS area. The turbo was taken off and checked at a turbo specialist who found no faults whatsoever, the oil feed line and oil return pipe were changed along with the gaskets as a diagnostic / process of elimination measure. Often times, those seals and gaskets can break down and begin to leak. i have a stock turbo, vibrant headers, turbo xs downpipe, cobb sfi and cobb ffront mount intercooler. The two side air filters seems to clog, and not make it to 20k changes without having oil leaks from the inlet seal. Burning excessive amounts of oil is typically a sign of a turbo failure. I am tired of leaking header flanges they never seal I would like to cut them off and replace them with v band clamps. External master cylinder leaks can be hard to identify because the only leak point is at the rear, which is often hidden in the brake booster. How to Diagnose a Rear Main Seal Leak: Few words about your vehicle will stop you in your tracks quicker than, "you have a rear main seal leak. I need some serious help. Repair an oil leak without eliminating the pressure, and the leak will surely return. Volkswagen Golf, GTI, Jetta 1999-2004, Jetta Wagon 2001-2004 - 1. Blue/grey exhaust smoke is typically caused by engine oil leaking into the exhaust system, and this can indicate a number of different common turbocharger faults. These wear out and then can leak. A very common oil leak is at the turbo pedestal o-rings. This is what seals and gaskets are for. Cross that off the list of likely issues. While health and environmental hazards of a leaking aircon may surface after some time, the immediate and most tangible effect is on the air conditioner itself. This is air entering the fuel system through fuel lines, connections, the primary filter and the engine fuel system. Its purpose is to seal the cylinders. At first, the engine was turbocharged without an intercooler. Piston blow by pressure has to be relieved by the bleeder valve. The symptoms of bad valve seals and piston rings are quite similar. Symptoms:. Visible signs of oil leakage. The actuators always get a bit of oil in them, but not enough to drip. Chances are the problem is internal injector leakage caused by seal failure. Then the rear main oil seal is leaking again, and he wants to know why. This can be a problem in any engine where the injector is inside the cam cover. Simply put, it will leak again. mercedessource Tech help - It could be turbo seals but it could also be excessive diesel engine blow-by We have had a number of customers rebuild their OM 617 Garrett turbos only to report back that the turbo "is still leaking oil" If the new sealing rings were installed properly - and I mean not broken during installation and the turbo wheel shaft and housing surfaces are in good condition. Transfer Case to Transmission Seal. Usually a faulty intake manifold gasket will produce a few symptoms that can alert the driver of a potential issue. add some lucas oil conditioner and see if that helps. Mercedes Sprinter Turbo Blown - Symptoms Posted on by This will not be a lengthy post as turbo's are covered in many other areas of this site, but I did think it would be useful to show with a few images of what the symptoms of a blown turbo look like and to back it up with a little additional text. Oil from breather excessive-cocked or defective carbon seal. It’s common for the truck to start when cold, but not when warm. The changing of most seals, gaskets and o’rings will resolve this. This is the second time I've replaced it. The turbo oil drains from high-low pressure so excess crank pressure can also result in more leaks at turbo seals. 0 Powerstroke, 6. The actuation can be done with pressure/vacuum or an electric motor. The test will reveal where the leak is occurring. Front crank seal is probably the next popular place to leak, and it involves pulling the timing belt to fix. A transmission leak is often misdiagnosed as multiple leaks. This is a new one, for me at least. Vacuum Leak Symptoms: Acceleration Problems and Misfiring With a compromised combustion process, one of the first vacuum leak symptoms you may notice is poor acceleration performance. on a full engine rebuild, I've noticed a 2 inch wide path of oil film on the oil pan below the flywheel/RMS area. N63 oil leak,,,,we have been finding out that the turbo oil return housing gasket will start to leak,,,,and leak down the rear of the engine and around the transmissions,,,,,which then looks like the rear of the oil pan is leaking,,,,,but it is not,,,,,in the last pic the turbo oil return housing is under the heat…. Since I discovered that if there's a problem with my PCV system it could cause my front crankcase seal to leak since the seal requires proper vacuum to work. Note: The front camshaft oil seal leak information applies only to Subaru engines with a timing belt such as the 1. 8 997, you are sure to have read some of the horror stories about IMS bearing problems. This was proved by the quick health check. Test the temperature control. Mechanic said a problematic PCV valve could be the reason the entire back engine (turbo, rear main seal) was having multiple leaks from pressure build up. Often times, those seals and gaskets can break down and begin to leak. If not, look for exhaust leaks pre-turbo, exhaust restriction post-turbo, air inlet restriction, or boost leaks. If your vehicle is fitted with a low pressure pump it can be located on the fuel pipe near the diesel tank or in the diesel tank. ran it to try to clear the oil in the exhaust and it started smoking like it did before i replaced the turbo!!! wtf. There are no recommended articles. EGT gauge at exhaust manifold center, before going into turbo knuckle. 3 Powerstroke high pressure oil pump leak. This is usually not the case. What year, I don't know. To find the leak you have to remove engine cover, then check intake to turbo. Maxlife blend works great here. All of these can be signs of an intake manifold leak. Turbocharger Troubleshooting Matrix Loss of power, excess smoke, high fuel consumption, overheating, high exhaust temperatures and oil leakages from the turbocharger are all symptoms that could indicate turbocharger malfunction. ) only to find that the compressor shaft seal is leaking refrigerant or oil. Even if the turbo seals are perfectly fine, you can still pool up a lot of oil in the IC by babying the car and never getting on the power and running it thru the RPM range while on the power. Turbo seals are basically like rings that just deflect oil that sprays out, when bearing clearance is proper on the turbo, the oil basically slings out from the bearing in a uniform pattern unto the cut chamber right nest to it and it allows it to drop down to the drain pipe and the design of. The only two sources can be either a excessive crankcase pressure via the engine breather system or leaking turbo seals. Fuel injector pintle, ball or disc seat leaks as well as the bottom O-ring leak on a side feed injector will cause fuel to escape into the intake manifold. Usually a faulty intake manifold gasket will produce a few symptoms that can alert the driver of a potential issue. They fill in those spaces to create a leak proof seal between two engine parts. Seal listing: New Style Purple Viton Oil Cooler Seals (2) Intake Manifold Gaskets (2) Turbocharger Outlet Seal. Cyclic sound from turbo. Check for obvious oil leaks. When it fails or has any issues, it can cause all sorts of problems for the vehicle. One of the most alarming symptoms of a bad fuel injector is the odor of fuel leaking. Original engine, different transmission, different turbo, body still looks good. Oil in the sump is below the level of the crank seals. Fault Diagnostics - Turbocharged Vehicle My turbo is leaking oil, is it the turbo? Loss of power, excess smoke, high fuel consumption, overheating, high exhaust temperatures and oil leakages from the turbocharger are all symptoms that could indicate turbocharger malfunction. Now that you know how serious a rear main seal leak can be, it's important to be able to spot one. the plugs at the rear of the heads will not leak between the bellhousing and the block. However, these faults are often wrongly attributed. Test evaporator fan. Its fine on all other journeys. Symptoms of Bad Valve Seals and Piston Rings. It's often cited as the culprit for causing oil leaks around the valve cover gasket. vectra boost leak, vectra cdti boost leak, vauxhall vectra 1. Turbo oil seal symptoms. If the clutch fluid is low, look all over both master and slave cylinders and the pipe that connects them for signs of a leak. Engine modifications may introduce factors into the head gasket equation that are beyond the scope of this article. Generally turbocharger replacement will be related to turbine shaft failures or turbocharger housing seal leaks. The best LLY injectors should allow the engine to run smoothly, allowing for optimal vehicle performance. CLOSELY INSPECT THE BANJO BOLT SEALS ON THE FEED LINE AND SEALS ON THE RETURN LINE FOR LEAKS AND REPAIR AS NECESSARY. Seal on turbo air intake (replace if the original orange one is fitted) Seal the oil breather pipes with something like Permatex No3 include catch can joints. It is important to note that if you have an issue with your rear main seal leaking on your VW or Audi 2. Wynn's Engine Stop Leak Product description. Shut the engine off and remove the cap. The front camshaft seals are behind the camshaft sprockets. SN Certified Technician. On vehicles with onboard diagnostics, the leak often causes the check engine light to illuminate. Diesel Engine Fluid Leak Problems - A Quick Reference Solutions Guide Tech Help > Engine Problems Summary list of the most common causes and parts needed to fix them. like long Allen keys but star type. If you discover a leak, replace the water tank. It just tests too much at once. This can cause a blueish/white smoke to bellow from the exhaust. after refitting it on that same day car had similar symptoms. if its fine with that test. The front camshaft seals are behind the camshaft sprockets. In the 924S, 944, and 968 series cars, the seals in the oil cooler will sometimes shrink due to age, changing oil types, etc. Pour fresh oil into the oil filler tube in your engine compartment. The bearing, shaft in journal, goes out and the shaft breaks, yes, you can get oil below the turbo. The old style fiiting tubes were kinked at the 2 bends which restrcited oil flow and causes engine oil to back up at the turbo oil drain, symptoms are burned engine oil and black smoke. Are there any other ways to diagnose a bad turbo seal, or anything I should look for that will point in that direction? Is the turbo drain tube easy to remove? Maybe it is blocked, or something? Is the best way to diagnose a bad turbo seal just to remove the turbo and open it up?. After more reading I hoped it was something a little easier like a turbo seal, as some of the symptoms seem very similar. If the gasket fails and leaks near any plastic components, or engine wiring, the heat from the exhaust gases may cause the components to burn up. I get low to mid 20's mpg. my turbo was leaking a bit of oil. Failure of seal around bottom of wet liner – Incorrect coolant mixture. Damaged seals between the compressor and the engine will allow oil to leak into the exhaust system, so the turbo has to work harder to increase air pressure. The rear main seal is traditionally located inside the oil pan. PCV valve was replaced. Boost Leak: Symptoms, Diagnosis and Repair Boost leaks are a very common problem in turbo cars, especially ones with 10+ year old rubber pipes. If no signs of oil burn on plugs and no oil in the IC pipe then its either exhaust valve stem seals of the turbine side of the turbo. Will cause smoke during start and/or oil smell in cabin area. I have about 4,000 miles on this turbo and the leak has slowed down tremendously, but there still is wetness from oil from time to time. Having incomplete combustion or having a fuel/air mixture that is too rich will not allow your vehicle to keep the horsepower that it should. Turbo charger was leaking and was replaced. When seals lose their ability to control the oil that enters the guide, they can cause a variety of problems. A boost leak is a type of air leak that happens in the intake path just before the engine cylinders. Leaks allow the coolant and motor oil to mix together. What are symptoms of a turbo boost leak? Discussion in ' 5. The valve cover gasket on these tend to leak, just like first gen MINI. my turbo was leaking a bit of oil. With worn rings, usually the entire tip of the plug will have oil/deposits on it. First of all, turbo seals may let some oil out, but that doesn't mean they are blown. I have replaced every major oil-sealing gasket (VCG, OFHG, OPG) and the car still leaks nearly a half quart of oil over 20 miles. The best LLY injectors should allow the engine to run smoothly, allowing for optimal vehicle performance. And luckily for me, they are replacing it under warranty. It's excessive oil pooled up in the intercooler that's bad. This leak will look similar to the oil pan leak except for with transmission fluid. As you go up to normal speeds, the turbo kicks in and heats up, and the leak seals itself so there is little if any smoke. Rear main seal will be leaking in a few years, if it isn't leaking already. Cam Seal Replacement, rear, 1998 Volvo S70 GLT - Volvo 850 Cam Seal Replacement. According to eHow, fuel lines can develop leaks over time because they are prone to rub against metal under your vehicle. I don't think it had to do with boost - more likely it was because the O2 sensor was getting coated in oil. Symptoms of Bad Valve Seals and Piston Rings. After pulling the bed, I found gunked up oil residue around the diff/trans joint. if its fine with that test. Here are six questions you should be asking yourself before, during and after a rear main seal job. The bolt was noticeably loose when I turned it with an Allen wrench. Turbocharger Failure Analysis: What Went Wrong and How to Fix It includes instructional photos, checklists, and step-by-step instructions. i know someone wrote in on this. I have some small oil leak coming from the bell housing between the engine and transmission. If there is one it's likely going to be in the turbo itself, probably the. Can you tell where the oil is leaking from that you said is under the engine?. Oil in the sump is below the level of the crank seals. 7 Liter engines use an in-tank style supply pump like the later 5. Ford – PowerStroke Turbo Diesel FAQ Ford Superdutys with Powerstrokes are generally great, robust trucks, but they do have their problems. Pieces of the seal may clog oil passages starving lifters or rockers for lubrication. Maybe the seal is not leaking yet, but has been weakened by running with a clogged exhaust. The oil return pipe in the turbo will start to leak where it enters the block. turbo's spin at very very very high rpm's and need to be perfectly balanced in order to function properly and be reliable. The PowerStroke fuel injection system is designed for diesel burning vehicles. 8 Liter 4-Cyl. IMS bearing failure symptoms and how to spot them eagle If you own a Porsche 996, Boxster 986 or a very early Boxster 987, Cayman 987 or 3. Turbocharger Replacement and Preventative Maintenance. Be aware that there are 2 seal drip holes on your pump not 1. The valve cover gasket on these tend to leak, just like first gen MINI. One of the most leak-prone components is the boost diverter/bypass control valve on the compressor turbine. The best thing to do in this situation is to first clean all the oil off the turbo and surrounding area. its sort of bleeding out of the same area of the. adamchoi sure predict on uefa league oracle ohs full form backup iphone to raspberry pi termination of rental agreement letter by landlord is far cry 2 offline hoi4 kaiserreich country tags ariens snowblower parts home depot oilfield supply new mexico where to paste adsense code wells fargo account activity concrete sinks los angeles brochure maker near me mercedes clk. Engines that have turbo are more prone to a boost/intake leak as compared to non-turbo engines , because of the added numbers of pipes and hoses joining the turbo with. The ring is cheap, but replacing it can be a real PITA. Test the door switch. Seal Conditioner stops current and prevents future leaks by protecting and reconditioning seals. Wynn's Engine Stop Leak Product description. The fluid appears to be coming from the diff, not the trans. your problem according to you is not that seal. The recommended procedure for this would be to remove the transmission. If you look on the turbo outlet of the compressor side of the turbo you can see that a “Y” pipe is connected to direct air from the turbo into the intake manifold. Can pour coolant in and it drains out just as fast from the rear of the engine. Even if the turbo seals are perfectly fine, you can still pool up a lot of oil in the IC by babying the car and never getting on the power and running it thru the RPM range while on the power. Test defrost timer. Posted on Dec 09, 2008. Engine modifications may introduce factors into the head gasket equation that are beyond the scope of this article. Lastly if your vehicle has a turbo charger then it may possibly have leaking turbo charger seals. It simple to test. However, the 997 model—particularly the earlier model years—has some apparent deficiencies. if its fine with that test. Extra unmeatered air gets into one cyl. Leaks allow the coolant and motor oil to mix together. External leaks are very easy to find. Hey all, long time reader, new member. When: we don't know, but most likely it will leak soon after it gets good and hot again. This guide will teach you to design, test, install, and maintain your high-performance turbo system. if anyone can tell me what are the other. 1L V6 How To: Fix engine oil leaks by replacing the oil pump seal How To: Replace a timing belt & crankshaft seal on a Tercel How To: Fix transmission and oil seal leaks fast with AT-205 Re-Seal. Injector Replacement: Correcting Duramax Turbo Fuel Delivery Issues Adam Blattenberg 2016-05-07 Diesel Tech / How-To GM Diesel truck engines have occasional mechanical issues due to poor maintenance or faulty components. LIFETIME GUARANTEE We guarantee that Steel Seal will permanently repair a blown head gasket, cracked head or block. oil in the turbo tubes and intercooler in-out lets. Ford – PowerStroke Turbo Diesel FAQ Ford Superdutys with Powerstrokes are generally great, robust trucks, but they do have their problems. This means lots of noise and/or no power. Valve seals normally fail due to a clearance problem between the valve and the valve guide in the cylinder head. 6 or very early 3. Leaking head gasket – This allows contamination between the sections of the engine. An easy way to tell the difference is the smell. What you want to do is use the duct tape not to seal the leak as such but to hold the pipe as tight together as possible so that the split doesn't open causing a leak (hope that makes sense) A few total wrapes of the pipe should be enough I manged to hold in almost 1. Chances are the problem is internal injector leakage caused by seal failure. Welcome to Mazdaspeed Forums. I AM NOT loosing coolant already checked that off the list. 0 Powerstroke, 6. The OBDII trouble code P0171 - System Too Lean (Bank 1) means that the engine air-fuel mixture is too lean, or there is too much air and too little fuel. AFAIK, your '94 uses the NPG transfer case, so if there is appreciable mileage on the transfer case in 4WD mode, you may want to open the case, check the chain, and especially check the sprag clutch (es) for wear. Order OEM VW Jetta parts online here. The changing of the valve cover gasket looks to be a fairly big job for the inexperienced. A much more $$$ situation Hopefully the leak down & compression test next week will reveal more info. Car has 61,000 miles. Usually the smoke is more noticeable during acceleration. It is the job of the fuel lines to bring fuel from the gas tank to the engine. Note: The front camshaft oil seal leak information applies only to Subaru engines with a timing belt such as the 1. Any unusual noise under the car's bonnet is worth investigating, especially if the sound accompanies any additional turbo failure symptoms. I noticed oil pouring out of the exhaust, this is without the car running. This oil cooler seal kit includes oem ford parts and fit perfectly on my 2000 model 7. Possibly EGR seals, yeah. Replacing the PCV grommet with the valve prevents problems. LIFETIME GUARANTEE We guarantee that Steel Seal will permanently repair a blown head gasket, cracked head or block. A very common oil leak is at the turbo pedestal o-rings. Symptoms: immediate and dramatic coolant leak. At engine shutdown the fuel pressure should maintain operating pressure or just below that for a substantial period of time. EGR Cooler to Intake Manifold Gasket. 3 Powerstroke high pressure oil pump leak. My truck had a bad leak but after installing this kit there isn’t a drop of oil or coolant leaking anywhere. 3 rear main seal leak. Hi all My 6month old ML320 CDI has had a persistant oil leak for the past 3 months. Lastly if your vehicle has a turbo charger then it may possibly have leaking turbo charger seals. Going through the proper priming procedure I prepped the turbo without ignition or fuel until I saw oil pressure in the turbo line AND engine. At first, the engine was turbocharged without an intercooler. If you are noticing your car using more oil, this could be a sign that your turbo is leaking oil and leaking into the manifold. If the first checks pass, the PCM then uses the LDP to seal the vent valve and pump air into the system to pressurize it. Image 2) Water pump removed from a Vw 2. after doing new injectors (and truck sitting for a month), first test drive boost went through the roof, blew off a boot and was uncontrolable. Bad Intake Manifold Gasket Symptoms 1. What year, I don't know. When I accelerate hard it almost shutter/vibrates from the turbo up at 22 psi. Now that I know what the vehicle is, it is probably the valve cover gasket faulty letting oil leak down onto the front of timing chain cover. Often this leaking is caused by scoring on the shift shaft itself, preventing the seal from doing its job. A leaking water pump seal can be the result of a bad head gasket (or LB7 injector cup seal leak), should compression pressure find its way into the cooling system. I have less experience with the other HM oil brands. This is rare, but it may happen. Please note i have done the following 1. You may need to use a thread tool to re-shape your oil pan's damaged threads. We should discuss with our consumer and advise them that the seal may not be leaking at this moment, but you can guarantee it will leak again. ISSUE Some 7. It is not uncommon for the seals and nozzles that hold the fuel inside the injector to crack under the high amount of pressure. See the most common turbo problems and what is most likely to be wrong. They even asked about my ORHP and I told them I crawled under the car to install it and they were cool with that. When the rings become tired and worn they allow some of this compressed and burning mixture to leak past and escape into the crankcase. Air leaks are, by far, the number one cause of vintage engine piston seizures. Oil Pressure. when I ran conventional oil to break things in, everything was dry. Turbo bearing wore out and caused a complete failure. We might need more info before we can really take a stab at this one: How have the 1000 miles of driving since it's oil change gone?. Tomorrow I'll re-do it and do a leak-down. But if either seals goes bad, oil can be pulled out of the bearing housing. If you notice any of the following symptoms, call your mechanic immediately and talk about ordering replacements. As oil leaks from a valve cover, it can contact a hot exhaust manifold and burn. Is it the rear main seal that is leaking? It might not be. i know someone wrote in on this. 3 IDI Motors), 7. These may include hard starting, louder than normal main fuel pump noise and a loss of power under load. Oh and a serious boost leak can cause it to hunt, mine hunted like a pig when the connection below the IMF was off. Symptoms of Turbo Failure. When you're idling, and the turbo isn't really running, it's not hot enough to swell up and seal the leak, and it leaks coolant into the chamber, and you get white smoke at idle. 5L SOHC valve cover spark plug tube seals are very common to leak. The best thing to do in this situation is to first clean all the oil off the turbo and surrounding area. The guys at the dealership showed me a bad turbo with more play but they explained the symptoms and said while my turbo may be old and worn, it's not bad enough to warrant replacing, they insist I have to find this boost leak to see if eliminating that will give me a diagnosable problem, or a fix to the current problem. An oil leak can cause serious problems for your vehicle and take time and money to fix. As well as unbolt the top half of the block so you can expose the pistons and, using the right tool. 6 or very early 3. Extremely low oil levels can critically damage your 2002 Audi A4 Quattro 1. See same on some diesels I bring in for repair. There is a feed line bringing oil into the turbo. The oil cooler seals are where most of the engine oil leaks affecting Sprinters come from. 9T - oil leaking into turbo. Hey All, I have had a slow leak from my turbo return to oil pan for awhile, i parked the car for the winter, brought it out again and that leak is very very bad now once the car is running. The customer’s Volvo has an oil leak. the fresher oil seems to be around the bottom of the oil filter too. Short of your vehicle suddenly exploding in a spectacular Hollywood-type ball of fire, there are a few common issues that cause the most stress for vehicle owners: strange noises from the engine compartment, flat tires, cars that won’t start and then the most worrisome of all – finding oil spots where you park your vehicle. its sort of bleeding out of the same area of the. Your Hilux or Prado has white smoke and a rattle after cold start. Look for the easy things first, like cracked or loose couplers, elbows, etc. its sort of bleeding out of the same area of the. Mini Cooper S R56 – engine woes – BR Racing Blog – SERVICE Alert. Welcome to Mazdaspeed Forums. It uses a combination of the hydraulic injectors of old diesel engines and the electric injection system of gasoline engines to provide diesel vehicles with a reliable means of fuel injection. Increased Engine Noise. due the same on the exhaust side. Also make sure that all the vacuum pipes and sensors that operate the turbo are operating correctly. They said it might be an oil cooler leak but could not confirm without opening the engine. Test evaporator fan. Leaking seals is most likely a PCV problem. Has anyone had a turbo seal go bad and if so what sort of symptoms did you have? I'm hoping it's the turbo vs. The front camshaft seals are behind the camshaft sprockets. Mechanical seal, end plate, and oil line leaks on the roughing pump; Mechanical seal, end plate, oil fill/drain leaks on the blower; Additional leak checking hints include: On old furnaces, especially those that use untreated water for cooling, check tube penetrations from the outer to the inner shell as these often corrode through and leak water. Mass Spectral Symptoms Maintaining MSDs Symptoms Corrective Action Wrong retention time Check GC, method, application and carrier gas velocity Low signal Check GC, tune vacuum system Leaking injection port Clean the injection port Replace the injection port liner and septa Air leak Check and tighten interface nut, leak test GC injection port. The Supra's long intercooler piping path makes it fairly hard to find the leak and can be a daunting task. Engine Management Light. [Various Contributors: John Sargent, Gary DeFrancesco,Paul Seminara, Don Foste, Ryan M, Dick Riess] The leak in the turbo oil return line is due to a failed o-ring. Automatic Transmission: Cars will need to be serviced with new pan and fluid as well as Mechatronics seal and sleeve before 100k miles. In some ways, I'm hoping its the turbo as otherwise, it likely means severe blow-by due to broken rings, valve stem seals, etc. In many cases, the oil drip is coming from the turbo drain pipe seal (located near the center back side of the engine). The valve cover gasket on these tend to leak, just like first gen MINI. It didn't fix the problem Also in the picture below the tandem pump is the left side turbo and you can see the O2 sensor sticking straight out of the exhaust manifold further towards the rear. It doesn't really sound like a main seal, those leaks usually just drip on the ground. Learn how to fix that leak! In this edition of Tricks of the Trade, Scott shows us how to find and identify a boost leak, air leaks that can seriously affect the tune and calibration of your. My turbo is working okabsolutely no symptoms of problem, however, oil leaks out of the front of the turbo air inlet where the big plastic duct connects. The Oil Pressure Being Too Low, will Cause The Turbo To Wear the Internal Parts of the Turbo. It also seals leaks in radiators, core plugs, heater matrix, water pumps and thermostat gaskets. Damaged seals between the compressor and the engine will allow oil to leak into the exhaust system, so the turbo has to work harder to increase air pressure. I test drive the car and it felt tight. Extreme Pressure/Anti-wear Agents provide better metal-to-metal friction properties to stop slipping, jerking, rough shifting and shudder improving shift feel giving better driving comfort. When the valve ages, the spring gets weak, and the seal can leak under higher pressures. These symptoms were attributed to water from a leaking joint in the engine compartment partition wall dripping onto the electrical connectors of the fuel injector.