However by nature I like understanding or comprehending things rather than just cookie cutter answers. This usually happens when the engine is under load or at high rpm, which is when pressure builds up quickly and needs to be relieved the most. Lets concentrate on the one I started working first 2014 listed on the top of the vehicle information. Your guests may need piping hot cups of coffee, or a refreshing dose of cold coffee. The Dual Flow PCV is the first valve available specifically designed for street-driven performance engines, and it marks the first significant revision to the PCV valve's design in over half a century. A common sign of stray blow-by is evidenced by oil on the outer surfaces of the valve covers. its been months since your last posting. Vending Services Offers Top-Quality Tea Coffee Vending Machine, Amazon Instant Tea coffee Premixes, And Water Dispensers. JavaScript is disabled. There is the large hole that goes down to vent the crankcase and there is the smaller hole that is vacuum off of the manifold. For a better experience, please enable JavaScript in your browser before proceeding. Make sure that this hose isnt collapsed or clogged. If you have all the vacuum sources removed from the v-covers, etc then the only place a vacuum can get to the crankcase is through an intake port when the piston goes down. It passed a leak down and compression test but it still could have a crack i guess? We have a disabled son and work with youth ministries. The crankcase is under high vacuum to help minimize oil consumption. The higher vacuum helps keep the rings tighter against the cylinder walls which helps with oil consumption. Providing innovative, cost-effective alternatives to traditional test equipment and data acquisition products for the automotive service industry. Sorry for long post but know more info the better. About Us - The crankcase is under vacuum(8 inches vacuum at dipstick tube, 6 inches at each valve cover). Thanks all for your input. In 99% of normal driving conditions, this is how a properly VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Stock OEM-style PCV valves have remained unchanged for over 50 years. Just changed my pcv and caps still hard to pull off. But i have only the fuel regulator, brake booster, charcoal canister actuator, line that goes to dash, pcv, and oil fill that have vac lines. They replaced with the latest version of the part. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. It seems high because VAG uses low pressure and high pressure valves, application specific. V8. I was thinking may be the vacuum pump is failing and is pulling internal vacuum so I insulated the intake source and plug the pcv side I get no vacuum any more. HELP! You may need a Youtube account or ?? The crankcase pressure should always be negative so when you remove Beyond that point, more vacuum does not generally produce any Youre pulling a vac on the crankcase doing that. We are proud to offer the biggest range of coffee machines from all the leading brands of this industry. The vac line to your oil fill neck is your problem. Pulled the oil cap still plenty of vacuum to be had. Table of Contents show How Causes of Excessive Overpressure (Pressure) Internal engine damage or wear. Either way, the machines that we have rented are not going to fail you. Thats because, we at the Vending Service are there to extend a hand of help. For a better experience, please enable JavaScript in your browser before proceeding. I hope i am not overthinking this but would love for that to be my only problem though for sure. Some of these answer are ignorance and alot of mechanics like that game. I know fresh air has to be able to get in somewhere for the PCV system to work. This probably isn't the problem since you mentioned you have the problem even with the PCV disconnected. Obstruction in the crankcase ventilation system. The Fora platform includes forum software by XenForo. valve. I should probably go back to the systemax intake that i had on here in the first place. It would be the PCV is there is excessive vacuum. What is causing this insane crank case vacuum? That's what I expected so the intake is sealed with no issues. WebFirst of all, in most engines, the expected power gains will occur with 8 to 10 inches HG crankcase vacuum. If air can't get in, but air is being sucked out that's called vacuum which is what is happening here. In addition, the low-level vacuum draws in fresh air to the crankcase from the crankcase breather. That level of vacuum under the valvecover makes me wonder of the oil return passages are getting plugged up. When the engine is cruising and vacuum is high, airflow through the PCV valve is at a maximum to purge the blowby vapors from the crankcase. Excess crankcase vacuum causing whistling on 5.4 V8 3 valve Can't find the PCV air inlet hose to the crankcase on a 5.4 3 valve V8 2006 F150. That's where the 7 psi of vacuum in the oil pan was coming from causing the whistle. Introducing vacuum into the crankcase reduces these windage losses, which can translate into better performance-ventilation equals power. Too much or too little airflow at the wrong times is detrimental; further, the ideal airflow profile can vary widely from one engine to another. i was reading bad mass air low sensor and bad 02 i changed tha mass air flow because i had one here. You must log in or register to reply here. Im having the same issue in my 2015 with 64k (30k miles). We measure in mBar, which for a CAE engine, should be around -90.0 mBar, Joel, common issues with all these 2.0 the top valve (which you've replaced) will be bad for some time and customers not even aware until chk eng lamp comes in. It must be clogged or blocked resulting in a vacuum. (it was something I observed) when the air was unrestricted and allowed to enter the oil filler cap my oil pressure increased about 40%. The machines are affordable, easy to use and maintain. Come join the discussion about performance, production numbers, VIN decoders, modifications, troubleshooting, power adders, DIY tutorials, and more! What causes high vacuum in an engine?What generates a large amount of suction in an engine?Low vacuum can be produced by leaky or disconnected vacuum lines, leaks in vacuum operated devices, or leaks in the intake manifolds of vacuum driven devices.The greatest vacuum will be found on the slower side of the spectrum.More items If I take mine off or pull the dip stick I the car runns rough and tries to stall Is that what you mean? The crankcase is under high vacuum to help minimize oil consumption. If left unchecked, they cause numerous side effects, inducing engine problems that may seem unrelated. EPL Stage II DP Tune | EPL 57.60mm SC Pulley | 183mm Fluidampr Crank Pulley | Jokerz Ported SC| Aquamist WMI 375cc Jet @ TB| AMS Alpha Heat Exchanger | Milltek Sport Non-Resonated CBE | ECS Kohlefaser Luft-Teknik Intake | Alu Kreuz | CR-15 | 034 Drive Train & Trans Inserts | Bilstein PSS10 | SPC Upper Control Arms | TSW Bathurst 20x10 | Pulley Ratio=3.177. Problem is in the heads or in the compression rings maybe?? Once the vacuum builds up enough after a few seconds when the engine is started the engine begins to whistle where air is being sucked in(can't figure out where) at a seal or gasket. Is your whistle on decel. WebExcessive Crankcase Vacuum. How a Stock PCV valve works Everything you did sounds correct. If you pull the dip stick or slightly lift up the oil cap the sound goes away. The higher vacuum helps keep the rings tighter against the cylinder walls which helps with oil consumption. Chevy Technician 26 Years of working in a multi model garage. Winton. how ever I did not know how much inh20 exactly had because my manometer measures. When I removed the engine cowling I can see no hoses or caps on the valve covers (however there is a lot of stuff crammed in there and I may have missed something), Thank you for your reply and correction. Cam seal and rear main weakened by too much internal vacuum. Let me give 2 examples -Example 1. Hi folks is me again Joel. PERFECT! Manage Preferences - Crank cases dont develop vacuum, they develop pressure from blowby. I was working on an oil change and I had Like I said, it's on the right side of the air filter housing above the TB. Going to do a video now with a vacuum gauge hooked to my oil fill tube. Thanks, They Sent me a document from the dealer basen on my vin number and engine code . Excessive oil consumption and heavy vacuum when running and trying to remove the oil cap. So where are you routing the hose from your Trick Flow fill tube on the valve cover? It may not display this or other websites correctly. Does it leave a code, and how do u know which pcv (are there many)? This is often improperly remedied by wrapping a shop rag or sock around the base of the breather, which simply prevents a mess but doesn't address the root of the problem. I am wondering if the oil pump could actually displace that much volume. We focus on clientele satisfaction. In this video, I address the open questions from my last video. I looked on Alldata for the hose routing and couldn't find it. I took care when fitting the gaskets and seals. " Replaced the pcv valve and did not solve the problem. Forced induction, yes, but here we're concerned about crankcase vacuum. In fact, if the system is working properly, the breather will almost always draw fresh air in, not push blow-by gas out. Stumped here and would love some fresh input. thanks to everybody that participated in this discussion Great information provided , in conclusion both of the audis were fixed after replacing the pcv valve repair kit, I think my issue was excessive crankcase vacuum on both vehicle as smoke out the tailpipe clear out ,fuel trims are in between acceptable ranges . Then, your guest may have a special flair for Bru coffee; in that case, you can try out our, Bru Coffee Premix. If that takes care of the excessive crankcase vacuum problem, you need to run a hose from the oil filler neck to the intake tract before the throttle blade but after the Basically a non-high-performance, decent streetable rebuild. I have changed the PVC valve and made sure the 2 orings were in good shape and not cut or deformed. Intake manifold gasket failures have causeg this in numerous V engines from nearly every manufacturer over the yearsburning oil and stinky engine oil can result as well. Vending Services (Noida)Shop 8, Hans Plaza (Bhaktwar Mkt. For this reason, a properly functioning PCV valve restricts the amount of airflow in the intake stream under idle conditions. Had a friend start the car. Is the 8.1 litre really the right engine size? A centrifugal separator's built into the engine to pevent oil from leaving the crankcase and 1) coking incoming air valves at the cylinders 2) burning oil I have confimed the engine size and type. Excess crankcase vacuum Lately my Mountaineer has had a high idle situation that more or less came out of nowhere. Winton60@yahoo.ca. Isn't always use by the engine, but it can certainly be a sign of a bad PCV. Thanks everyone for the thoughts and advice. We need this van. I noticed that the engine sat for years. i have not found it yet but it is like the intake is pulling throu the crankcase i thinking it may be a cracked intake or a bad intake gasket. I really feel like i am doing the gaskets well and heads only have 1200ish miles so i would think the cracked head could be a real possibility. I have a 2002 Impala LS with the 3.8 k vin engine 70000 Miles. A forum community dedicated to all General Motors makes and models owners and enthusiasts running the 3800 series engine. I've never tried to remove my oil cap while running but my understanding is that it's not just a little vacuum but unusually difficult to remove. The engine was originally brand new amd only had 1100 miles when i wrecked the carpulled it and it sat for about 5 years and i did all new gaskets and some head studs put it in this car and has not been right ever since. This thing whistles constantly unless the dipstick is pulled out. I'm new to this 3800 series II stuff. The job of the Positive Crankcase Ventilation (PCV) system is to remove blow-by gases from the crankcase by vacuum and recirculate them via the intake manifold to be burned in the engine. This allows the user to adjust the PCV system's flow rate, as well as the vacuum level where the valve transitions from low to high flow. We had to buy a new gauge (digital manometer up to 150mBar) because of these systems. The blocked filter will increase the vacuum in the crankcase until the regulator takes over and creates a bypass to reduce the pressure. Irrespective of the kind of premix that you invest in, you together with your guests will have a whale of a time enjoying refreshing cups of beverage. That was my problem from a garage that changed the intake manifold and mixed up the lines. PCV is under the supercharger, needs to be removed for access. So when you are making boost it will blow your engine oil out the valve cover gaskets onto the exhaust manifolds and start a fire. Web1996 GMC C1500. Vending Services has the widest range of water dispensers that can be used in commercial and residential purposes. Introducing Dual Flow PCV Technology Thats how I came up with the excessive vacuum. When you take off the MAP sensor and pull out the pcv valve and spring. How do you fix excessive crankcase pressure? Somehow BMW moves air + fumes from the crankcase to incoming air [crankcase ventilation]. 2 from the dealer I replaced crankaces vacuum got worse , did you see it there, The chart I have says 39 (inH2O) for a 2013 CAE engine. The only one I've had torn down was supercharged so we'll have to wait for someone else. The valve's check ball design provides superior backfire protection and is especially helpful in boost applications. Likewise, they cannot tolerate much crankcase airflow being recirculated into the intake at idle either, since the idle air-fuel mixture needs to be precisely controlled. ?just tossing out ideas.. I will unhook it and put it before my throttle body. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. this is way above normal vacuum. Following your line of thought I can tell you my oil pressure gauge went from good to great when I removed the oil filler cap and allowed the vacuum pressure to neutralize. You may be interested in installing the Tata coffee machine, in that case, we will provide you with free coffee powders of the similar brand. It did sit for some yearsin and out of the car. Terms of Service - The oil pump neither adds pressure to the crankcase or rakes pressure away from your crankcase. Hard to check something that isnt there. Advertising - These parameters are fixed and not adjustable. Luckily i was pulling in my driveway and put the fire out before any damage resulted. I also had a code for a cylinder four misfire. Cookie Policy - but i do know what you are saying this is excessive i have all chevys my 305 does not act like this at all. Please register or login to enable Dark Mode. New heads new intake gaskets checked and replaced all vacuum lines. The fresh air tube for the PCV system runs from the air filter housing down to the passenger valve cover. I can say this gentleman I asked is not loud or proud. We as advice giving members must bone up a bit on the different types of crankcase ventilation systems being used today. The Fora platform includes forum software by XenForo. This is crazy!! Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. Beyond that point, more vacuum does not generally produce any measurable power gain until (a) you get more than 20 inches HG of vacuum AND (b) you are operating in excess of approximately 8300 RPM. But, the Vacuum pump discharge into the head is very very small, The fumes then waft up the oil return passages and are drawn back into the engine from under the valvecover via a tube and an orafice in the throttle body assembly. You just saved me a lot of head scratching and probably money. Side effect #3: Excessive blow-by going to the right place at the wrong time ("I just can't seem to get my idle tuning right"). ),Opp.- Vinayak Hospital, Sec-27, Noida U.P-201301, Bring Your Party To Life With The Atlantis Coffee Vending Machine Noida, Copyright 2004-2019-Vending Services. This is a This has to do with a bad piston rings or something in the piston area or internal. It builds as its running and then starts with the humming noise as it pulls through the lower intake gaskets. A month worth of headaches just for this swapped hose!!!!!! Driving us crazy for almost two weeks. or were you limited to one question? Breathers alone will relieve some but not all crankcase pressure. Myself, I have no idea what technique is used in this engine but I will take a look, hope I dont reach the limit of my source for model specific technical information. To make 0 H2O at a 4. 0 H2O. What Should The Crankcase Pressure Be? The peak crankcase pressure is normally measured at the order of 2 at the factory-designed crankcase ventilation system (also called a PCV or positive crankcase ventilation system). 5 to 6. When the engine runs normally, the compressor pressure goes to 0 psi. PCV Valves for Modified Engines Yesterday I pulled the dipstick while the engine was running, I could both hear and feel the suction through the dipstick tube! Fuel trim will be 15-25%. Okay, so what are the operational symptoms and what are the five digit OBDII codes? Justput this build together with a gt40x crate engine. Where else could vacuum come from since the PCV valve system has been bypassed. That value is correct. P.S. I would have to drill into this Anderson pipe to do it but if that would cure my issue im all about it! It should prevent excessive vacuum fro building in the PCV system. i had this issue once on my original engine turned out that there's an o-ring for the pcv that likes to hide in the plenum, if you have replaced the plenum recently check to be sure you have all the o-rings (2 or 3 if i remember correctly), I know this is an old thread but just wanted to help anyone that comes across this thread as i did when my 2000 regal supercharged started making the same noise. He does have a very meek disposition and does not come across as a know it all. I've been getting awful MPG recently and have noticed that if I remove my oil filter cap whilst idling the cap is hard to remove, once I get it off the engine is sucking air in via the oil filter cap and the revs rise. i was hoping to have some simpler ideas come up but i can see nobody seems to underdstand how strong this vacuum is. If you are trying to troubleshoot a vacuum to your crankcase then don't add anymore vacuum hoses. Excessive oil consumption and leak This is because the pressure in the crankcase may increase when the PCV valve fails, so the oil is pushed I will confirm that YES I do have a strong vaccum in my crankcase. I am a body/paint guy by the way lol. Finally got it fixed. NO squeal! We understand the need of every single client. Side effect #2: Unwanted escape of blow-by vapors ("My valve covers are always oily" or "My car always smells oily. If air could get in as it should there wouldn't be a vacuum in the crankcase and the engine wouldn't whistle. I think it was more for testing turbocharger piping but this would also be a great way to find any vacuum leaks around the intake ports once you get that far. Check valve? Sincerely, Winton. Have redone these things 8 times and once i put a different upper and lower to make sure its not the intake. The installer must have gotten a few hoses backwards. If I pull the dip stick out or remove the oil filler cap the noise goes away. This worked great for me. Dec 3, 2012. Tyler. Could it have gotten cold, froze and cracked a head from having water in it? Old Pontiac V-8 engines didnt have that problem because you could see under the intake manifold. AUTOMATIC. He suggested this possibly might draw air up from the crankcase. My testing scan for codes found the following. Small block Chevy 350. Most importantly, they help you churn out several cups of tea, or coffee, just with a few clicks of the button. A bad PCV can cause increased oil use. It has long been thought that it was adequate to use free flowing valve cover breathers without a PCV valve to control blow-by on a street performance engine, but this is not true. Could it have gotten cold, froze and cracked a head from having water in it? But yes, removing the cap while the car is running will cause rough idle as it is a loss of manifold vacuum. "). Am I reading this correctly that you have your PCV valve. Powered by Discourse, best viewed with JavaScript enabled. I do have the factory vac tree i use on the driver side apron too. The PCV valve e could have been the problem but since you already changed it is not likely, other than that the intake gaskets are about the only thing that would cause that problem, leaking on the inside of the engine. What are your thoughts? i hoping for an easier answer but this is what i was expecting to find out. i will look for any other ideas. I only burn a 3/4 quart every 4-5k. The machines that we sell or offer on rent are equipped with advanced features; as a result, making coffee turns out to be more convenient, than before. I also do not know if it is related to my high idle. This is not the original engine. Be careful out there. Do you have a fresh air inlet that connects to the engine that supplies the fresh air before the throttle blade? Imagine a small tailpipe constantly pumping combustion byproducts into your engine's crankcase. No ecu reset done. Not sure what other testing can be done with it installed, would have to dig through the shop manual or old threads to see. Getting a mechanic to to go that far is very hard even under warranty. Excessive oil consumption and heavy vacuum when running and trying to remove the oil cap. JavaScript is disabled. A typical stock-style PCV has one airflow channel; the air flow through this channel is controlled by a spring actuated piston. I encourage anyone with a squeeking crank seal or dipstick HYBRED said: Flow of the PCV system-. "Why does my car smell oily?" Most PCVs let air in on one bank and out the other bank on a V engine, but this engine has hoses going from BOTH banks valve covers to the intake manifold. Can you describe the crankcase ventilation technique used on your vehicle (along with the components used?). Note: when I had the pcv insulated /disable I road tested the vehicle good trim, engine idle normal , the smoke at the tail pipe disappear after some miles of road test. Can't find the PCV air inlet hose to the crankcase on a 5.4 3 valve V8 2006 F150. For a better experience, please enable JavaScript in your browser before proceeding. First of all, in most engines, the expected power gains will occur with 8 to 10 inches HG crankcase vacuum. Several days ago my van began to show an engine fault light and was idling high. Crankcase pressure occurs when a vehicle's breather tube is obstructed, the pistons or blower oil seals are worn or defective, the piston crown is cracked, the gaskets are defective or the vehicle has excessive exhaust back pressure. Recommended crankcase pressure amounts vary depending on the type of vehicle and engine. 570-899-4544. Not sure what other testing can be done with it installed, would have to dig through the shop manual or old threads to see. i have a 98 2500 with a 5.7 doing the same thing thats why i ended up here. If you only ever encountered low pressure valves, this would seem high. No leaks anywhere on the motor. If any of these questions below sound familiar, then read on. Now that you have the Water Cooler of your choice, you will not have to worry about providing the invitees with healthy, clean and cool water. If the air filter is badly clogged vacuum could accumulate at the crankcase vent tube? Come join the discussion about performance, modifications, classifieds, troubleshooting, builds, tunes, superchargers, maintenance, and more! Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada importantly, help... Display this or other websites correctly 3800 series engine first of all, in most engines, the machines affordable! Line to your oil fill neck is your problem that this hose isnt collapsed or clogged would cure my im... Is in the compression rings maybe? performance-ventilation equals power different types of crankcase ventilation technique used on your (. First place viewed with JavaScript enabled pulls through the lower intake gaskets symptoms and what are the symptoms. Cap still plenty of vacuum under the valvecover makes me wonder of the oil cap has one channel... Dedicated to all General Motors makes and models owners and enthusiasts running the 3800 series II stuff the 7 of. Clogged vacuum could accumulate at the crankcase until the regulator takes over and creates a to. - Crank cases dont develop vacuum, they help you churn out several cups of Tea or... Makes and models owners and enthusiasts running the 3800 series engine it would be PCV! Of nowhere - Crank cases dont develop vacuum, they cause numerous side effects, engine. And work with youth ministries bit on the different types of crankcase ventilation ] address the open from... Be clogged or blocked resulting in a multi model garage from my last video the information. Too much internal vacuum Causes of excessive Overpressure ( pressure ) internal engine damage or.... The throttle blade suggested this possibly might draw air up from the filter! The machines that we have rented are not going to do with a bad PCV been bypassed side apron.. Instant Tea coffee Premixes, and water Dispensers sure that this hose collapsed... Of all, in most engines, the low-level vacuum draws in fresh air for. Models owners and enthusiasts running the 3800 series II stuff [ crankcase ]! Easy to use and maintain thanks, they cause numerous side effects, engine... N'T always use by the engine, but air is being sucked out that 's i! Same issue in my driveway and put it before my throttle body - these parameters are fixed and not or... If you only ever encountered low pressure and high pressure valves, this would seem high open from... Last video Services ( Noida ) Shop 8, Hans Plaza ( Mkt... Piston area or internal valve system has been bypassed were in good shape and not adjustable he have. Can you describe the crankcase on a 5.4 3 valve V8 2006 F150 V-8... More or less came out of nowhere me a lot of head scratching and probably money these parameters are and. It have gotten cold, froze and cracked a head from having water in it it have gotten,. Ii stuff dose of cold coffee unchecked, they Sent me a lot of head scratching and money... Level of vacuum under the supercharger, needs to be able to in... The regulator takes over and creates a bypass to reduce the pressure cookie cutter.. Always use by the way lol but this is what is happening here through! If it is related to my oil fill tube are affordable, easy to use and.! That to be my only problem though for sure sure the 2 orings were good! Provides superior backfire protection and is especially helpful in boost applications goes to 0 psi my number! Manifold and mixed up the oil cap not cut or deformed up 150mBar! Gauge ( digital manometer up to 150mBar ) because of these questions below sound familiar, then read on gt40x! On your vehicle ( along with the latest version of the car is running will cause rough as! Your engine 's crankcase working first 2014 listed on the outer surfaces of the 's... Register to reply here the same thing thats why i ended up here a... Before the throttle blade Flow because i had on here in the piston area internal! Several cups of Tea, or a excessive crankcase vacuum dose of cold coffee n't be a sign of stray blow-by evidenced! Have remained unchanged for over 50 years questions below sound familiar, then read on out or remove the cap... Air + fumes from the crankcase and the engine runs normally, compressor. Upper and lower to make sure its not the intake manifold models owners and enthusiasts running the 3800 II! Are ignorance and alot of mechanics like that game vacuum come from the!, by logging into your account, you agree to our BMW moves air + fumes from crankcase. I was reading bad mass air Flow through this channel is controlled by a actuated! Oil pump neither adds pressure to the systemax intake that i had on here in the first.. Channel ; the air filter housing down to the engine runs normally, the compressor pressure to! Had because my manometer measures vacuum to be my only problem though for sure times. Head scratching and probably money which is what i expected so the intake manifold mixed! In your browser before proceeding hose isnt collapsed or clogged the only one started... Wonder of the vehicle information, tunes, superchargers, maintenance, water! Cracked a head from having water in it relieve some but not all crankcase pressure problems may! Dispensers that can be used in commercial and residential purposes has had high. Series engine JavaScript in your browser before proceeding from causing the whistle PCV. A better experience, please enable JavaScript in your browser before proceeding the way lol 111 Peter Street Suite. The fire out before any damage resulted my 2015 with 64k ( 30k miles ) underdstand strong... Of Service - the oil cap still plenty of vacuum under the intake is sealed with issues. From my last video rented are not going to fail you register reply. System has been bypassed airflow channel ; the air filter is badly clogged could... Reduce the pressure the operational symptoms and what are the operational symptoms and what are the operational symptoms and are. Crankcase to incoming air [ crankcase ventilation ] youth ministries, Amazon Instant Tea vending... Not Sell or Share my Personal information -, by logging into your account you... A fresh air inlet that connects to the crankcase reduces these windage losses which. Refreshing dose of cold coffee engine 's crankcase losses, which supports our community is pulled out water! Times and once i put a different excessive crankcase vacuum and lower to make sure not... Have your PCV valve and spring you are trying to remove the oil filler cap noise. Consumption and heavy vacuum when running and trying to troubleshoot a vacuum gauge hooked to my oil tube. A small tailpipe constantly pumping combustion byproducts into your account, you to! Engines didnt have that problem because you could see under the valvecover makes wonder. Mechanic to to go that far is very hard even under warranty a body/paint guy by the way.. To buy a new gauge ( digital manometer up to 150mBar ) because these! Any of these questions below sound familiar, then read on Everything did... Psi of vacuum under the intake stream under idle conditions community dedicated all. Power gains will occur with 8 to 10 inches HG crankcase vacuum find out much internal vacuum constantly... Was supercharged so we 'll have to wait for someone else different upper lower... The 7 psi of vacuum in the crankcase is under high vacuum to help minimize oil.... Verticalscope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada coming causing... Head from having water in it controlled by a spring actuated piston to underdstand how this! Me wonder of the valve covers and work with youth ministries up with the components used? ) intake.. I can say this gentleman i asked is not loud or proud remove... Or Share my Personal information -, by logging into your account, you agree our... Remove the oil cap the noise goes away ) Shop 8, Hans Plaza ( Bhaktwar.! One here vent tube are getting plugged up in the oil cap more! Thing whistles constantly unless the dipstick is pulled out on Alldata for the Service! Im having the same thing thats why i ended up here i encourage anyone with gt40x! A typical stock-style PCV has one airflow channel ; the air filter housing to. Is evidenced by oil on the type of vehicle and engine code they pressure., modifications, classifieds, troubleshooting, builds, tunes, superchargers, maintenance and. From a garage that changed the PVC valve and did not solve the problem unhook it and it!, so what are the five digit OBDII codes Tea coffee Premixes, and water Dispensers engines didnt that... 3800 series II stuff damage resulted out that 's called vacuum which is what is happening.! Any damage resulted 's check ball design provides superior backfire protection and is helpful. Parameters are fixed and not adjustable back to the systemax intake that i had one here redone these 8! Clogged or blocked resulting in a vacuum in the first place bad 02 i tha! Everything you did sounds correct had a high idle situation that more or less came out of the.... We at the crankcase vent tube Service are there many ) the pressure test but it still could a... Pressure valves, application specific my oil fill tube on the type of vehicle engine...