oil blowing out of dipstick diesel engine

10,235 satisfied customers. Typically, this is caused by a bad head gasket (cylinder head pressure leaking into the crankcase). What else can I do to be sure of the problem. I'd heard some motors just do that. If they designed the piston for a snug fit when the engine is cold, the piston … Make sure that this tube is free from any obstructions. The engine has 142 hours on it and the first oil change was at 25 hours, the next at 50 and then 100. Too far away and it can't create the vacuum to properly work the CDR. An easy way to cause oil blow-by issues is to accidentally overfill your engine with oil. As the engine warms up and the higher the rpm the more oil is blown out. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! This is especially true when the motor has a few miles on it and the pistons rings can no longer adequately seal the combustion chamber. You could have also caused it by using oil thicker than recommended in your manual, reducing lubrication on startup and in general. Here is some of the possible issues, 1. If the oil reaches … This time I had oil everywhere including my back. The only other thing I can suggest as 'for the time being' fix is to get a little bit of heat shrink (for wiring), place it over the rubber, heat it & refit your dipstick to stop it popping out. I tend to think it happened fairly quickly and don't think any overheating to much extent occured. He has worked as a tractor-trailer driver and mechanic, a rigger at a fire engine factory and as a race-car driver and builder. Pressurizing your crankcase to the point of popping the dipstick out can only come from one place. I've never had this problem, but that seems like to me a way to find out. 478 Posts . Oil temps reached 230, trans 193. Some non-submerged tubes poke out of the block casting and hover just above the expected oil level. I have a 1994 Jeep Wrangler S 2.5ltr. We use cookies to give you the best possible experience on our website. 1985 GMC K1500 long bed, 6.5 TD W/ NV4500, NP208. All diesel engines have some degree of blow by. If crankcase pressure builds up and the dipstick tube is submerged in oil, then oil will push its way up the tube and out of your motor. Now I am getting oil out the dipstick tube and all over the engine compartment. Worn rings on one or more cylinders. I had it set pretty high on my banks today level 6 and was on it not to hard for the 15 minutes to lunch and then on the way home I was on it pretty hard. The PCV valve could be bad. Do you have a breather? Changed the cdr and washed of the entire underside and the engine and it appeared to be dry and drip free after a 15km drive, whereas it would be wet and dripping good far before that before. If it is plugged the crankcase pressure will build up and find the easiest way out which is the dipstick. 25000 km on re ringed engine, truck runs great, no misses or sputters, no blue smoke out the tail pipe, don't smell like it's burning oil. Almost all engines, diesel or otherwise, use some sort of positive crankcase ventilation system to reduce pressure inside the crankcase. Right in that area, everything had been sprayed with trans fluid. Thread starter apw; Start date Sep 23, 2015; A. apw Forum Newbie. The PCV system uses vacuum from the engine -- or turbo, as the case may be -- to pull pressure out of the case and back into the motor. I open the hood and I have oil sprayed all over the left side of the engine. of turbo inlet. Gotta bad case of oil blowin out the dipstick. Egts haven't gone above 900°. Apparently the 1.5l diesel engines had a crankcase breather improvement kit that involved installing a special cover here with an extra fitting, which a special hose got connected to that ran up and joined with the one coming off the cam cover. How close to the turbo inlet is the CDR hose? I see that the guys here was talking about the 426 engine. Engineers have to compensate for the differences in temperature expansion. Well as far as I can tell I got it all solved as of now! it is blowing oil up the dipstick which is causing it to mix with the fuel pump. Any idea what it could be? Locate the oil dipstick in the engine bay and remove it, wipe it clean with a cloth, and then reinsert it and remove it again. could it be a stuck or broken valve? Usually it is because there is too much crankcase pressure. No milkshake, no fuel in oil as far as I can tell. I bought it and it has been nothing but problems. Your idea of a bad turbine seal sounds possible from the way you described all that excess crankcase pressure. Cylinder compression check and leakdown test by GM dealer mechanic who stated the results were good and not an indication of blowby. I was pushing fairly hard to help break-in at 600 miles on the new engine. For a better experience, please enable JavaScript in your browser before proceeding. However, overfilling the oil sump can submerge an otherwise non-submerged tube, sealing it and forcing oil to crawl upward in order to relieve pressure. This is due to engineering. Have somebody brake torque the engine to get some boost going and see if it's got a lot of air or exhaust flow out the hose. Distance is about 8-9" but dosnt seem to be an issue right now. we removed the breather on the valve cover and it is doing the same thing. Than I noticed the transmission dipstick was sticking out just enough for the rubber stopper to clear and allow 1/4 gap. Normally, excessive air pressure in the crankcase will quietly slip into the open space below your tube and exit out of the dipstick hole. Vocational, Technical or Trade Scho. At rpm above 3500 (on road coarse) engine oil starts to blow out of dipstick tube. Duramax First Generation: 2001-2004 (LB7), Duramax Second Generation: 2004.5-2005 (LLY), VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. This is fairly common in 4wd tractors. blowing oil out dipstick. Recently however, I've noticed if you take out the dipstick while it's running, it will start to spit oil out of the dipstick tube. Oil blowing out of the dipstick tube. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. I like to put it within 4"(10ish cm?) I have a C-15 and the dipstick keeps blowing out and blows oil all over, 2007 Kenworth, I changed the crankcase filter - Answered by a verified Technician . Pulling them real hard builds up crankcase pressue and blows out the engine oil filler cap. Any idea what … read more. This last case it blew the stick completly out and I just chanced upon it on a successive lap. The older an engine gets, the more blow by. A submerged dipstick tube goes all the way down into the oil sump and sit submerged in oil at all times. New working PCV valve. It's always burnt and blowout 1 gallon of oil after oil change, then it was fine. All of a sudden, the engine started blowing oil out of the dipstick tube. And I know I got the intake plumbed properly as it's on the filter side. Discussion Starter • #1 • Jun 18, 2010. Cat Engine Expert. Nowadays, a light comes on when the oil pressure is low. 2. I was thinking I had left the dipstick undone and that the fluid spurted out (like the oil would), but now I understand it shouldn't spurt out even if the dipstick is ajar. Happened to me today on my first tow with the engine at near-max output for a couple of minutes. Can you hear the ball bearing inside? I checked the dipstick and volume in the oil pan was way up so pulled the head and saw gasket perferated between 2 and 3 cylinder, and cylinders full of antifreeze. If the rings can’t push out (from the pressure of the combustion), the combustion gasses will “blow-by” the rings into the oil pan and out the oil filler or dip stick. I have about had it with this truck. we have oil blowing out of the filler tube and the dipstick tube. Look at you valve covers. This is freaking me out! The only solution to this problem is a complete rebuild with an over-bore, new pistons and new rings. Remove the PCV and shake it. By the way, I didn't exceed 25 mph to the store and back and drove at normal engine speeds. You might try disconnecting the turbo oil drain line and putting a length of hose onto the center bearing drain fitting. This is why the steigers have a … Blowing oil out of the dipstick tube seal - page 1 - IDI Engine - VWDiesel.net The IDI, TDI, and mTDI source. However, overfilling the oil sump can submerge an otherwise non-submerged tube, sealing it and forcing oil to crawl upward in order to relieve pressure. Cat C13 in a 2009 freightliner M2 About a month ago, there. Rule out the simple stuff first. Now I assume this somehow to do with the fact that I just did the PCV reroute on my truck, I dont think I did anythign wrong with the install. Oil dipstick tubes come in two types, submerged and open. Diesels generally experience much higher combustion chamber pressures than gas engines, which makes them more prone to blow-by. I have a truck engine 3406e 5ek. Rowe studied engineering, philosophy and American literature at Central Florida Community College. Normally, excessive air pressure in the crankcase will quietly slip into the open space below your tube and exit out of the dipstick hole. The PCV system utilizes a PCV valve to catch oil and keep it from going into the engine; if the PCV valve malfunctions or the filter clogs, then excess pressure will build up in your crankcase and push oil out of a submerged dipstick tube. cpurvis Lawn Addict. All engines experience a certain amount of blow-by, or pressure build-up in the crankcase as a result of combustion gases leaking past the piston rings. All motors have a cretain amount of piston blow by. Joined Sep 23, 2015 Threads 1 Messages 1. If … Could the turbo be my problem as well. An open dipstick tube pokes a little way down into your block, but likely not past the bottom of the block casting and certainly not into the oil itself. Thanks for the invite guys! But from what I can tell I I am now blowing alot of oil and smoky air out of the dipstick. Your engine should not be blowing oil out of the dipstick tube. I bet if you take and crack open the oil fill cap it would make a mess blowing oil all over too. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. Bout 150k on inframe. It only blows out the dipstick tube when the Jeep is actually moving down the road. As for blowing oil out the dipstick consider the fact that on a single cylinder 30 Cid engine the volume of air in the crankcase changes 60 cubic inches every revolution due just to the movement of the piston. Engine is big cam3, 350hp cpl840. Do you recall the old days when every car had a oil pressure gauge on the dash board? Sep 23, 2015 #1 i have an 18.5hp . Now all engines have some degree of blow by. With the engine warmed up and running, take out the dipstick and slip the hose over the dipstick tube. It's got the Kubota diesel engine in it and it's never had any blow-by and always ran great. When metal heats up, it expands. There will be two small notches on the stick: a lower one for the engine’s “low limit” and a higher one for its maximum capacity. Everyone was looking at the air compressor including Mack. Owner - Twisted Steel Performance Coating. I'll do the crank case test after work. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, "Hayne diesel Tech Book Engine Repair Manual: General Motors and Ford"; Ken Freund"; 2007. If yes, put it back in, its likely fine. engine breather is working, due to visible gases in the breather chamber. So if the oil dip stick is not secure the pressure of the oil in the engine (when the engine is running of course), will force the oil out of any low pressure area, in this case the dip stick tube. In all but the last case I find the dipstick still in the tube but it is not seated and is blowing oil out. Marine engines usually have a dipstic tube that drops all the way to the bottom of the oil pan to allow for easier oil removal thru said dipstick. Re: oil coming out of dipstick at high rpms?? I'm hoping to replace the whole machine in the spring, but it looks like for now it's gonna be another busy winter with it doing snow removal. But more seriously, it is a worn engine or stuck rings from not changing your oil on time or not using a thermostat. Then get a glass of water. JavaScript is disabled. Now look at the level the oil reaches. A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. I've checked blowby screen and tube, tube not collapsed. Cat Man. The pressure can't be relieved through it's normal avenues, so it pushes itself out of the dipstick tube. Then just hope you don't start blowing out other seals! If you have excessive air forcefully coming out you dip stick, it's "blow by." They do this by designing the aluminum piston slightly under size from the steel cylinder. SOURCE: Oil blowing out the dipstick tube a fairly common problem on any of those high mile or abused 4.0liter engine either #1 your PCV ventilation tubes are plugged those are thos small black lines comming out of your valve cover or #2 your getting really bad blow by in … The oil will seal the rings a tad better which will raise the compression slightly. They have installed 2 more air compressors within the last 30 days. I revved the engine several times and could not get a drop to come out. Like people, engines do all sorts of strange an inexplicable things when something goes wrong. When heated, aluminum expands faster than steel. Stick the other end of the clear hose … Oil creeping up the dipstick is a good example of one such mystery fault, and it definitely indicates that something's gone awry inside your motor. Squirt two shots of automatic transmission fluid into each cylinder and run the compression test again. Get a few feet (3 or more, give yourself plenty of room) of CLEAR rubber hose that will fit over the dipstick tube. But from what I can tell I I am now blowing alot of oil and smoky air out of the dipstick. I can do nothing to cause oil to blow out the tube sitting still. Metals expand at different rates. Values (intake and/or exhaust) not seating good in the cylinder head. That is evidence of too much crankcase pressure. If your diesel's gone from oil burner to oil spurter, then you'll need to find the cause before something worse happens. Remove the oil cap and hold the open end of the hose over it. That is an awful lot of air moving and it is going to take the path of least resistance to balance the pressure caused by that 60 cubic inch change in volume. It does not have a pcv valve for me to - Jeep 1994 Wrangler question Dipstick which is the dipstick tube like people, engines do all of... Duramax engines, diesel or otherwise, use some sort of positive crankcase ventilation system to reduce inside... 50 and then 100, philosophy and American literature at Central Florida Community College 25 hours, engine. Actually moving down the road issues, 1 an issue right now submerged dipstick tube cretain of! Me a way to cause oil to blow out of the block casting and hover above! What I can tell I got the intake plumbed properly as it 's always burnt blowout! Prone to blow-by cat C13 in a 2009 freightliner M2 about a month ago, there raise the compression.... Pressure leaking into the crankcase pressure will build up and find the easiest way out which is CDR. Than I noticed the transmission dipstick was sticking out just enough for the in! Blowing alot of oil and smoky air out of the dipstick enable JavaScript in your browser before.. Far as I can tell generally experience much higher combustion chamber pressures than gas engines, performance,,. Its likely fine them more prone to blow-by the stick completly out and I know I it! Not be blowing oil out the engine at near-max output for a better experience, please JavaScript. Cause before something worse happens of blowby the expected oil level some of... Properly work the CDR W/ NV4500, NP208 diesel engines have some degree of blow by ''! I know I got it all solved as of now American literature at Central Florida Community College way into. Compression slightly have some degree of blow by. test after work could have caused! 30 days trans fluid dipstick out can only come from one place case of oil and smoky air of! Above 3500 ( on road coarse ) engine oil starts to blow out the dipstick which causing. Cause oil blow-by issues is to accidentally overfill your engine with oil the results were good and an... Oil will seal the rings a tad better which will raise the compression slightly stated the results were and... The road coarse ) engine oil filler cap have installed 2 more air compressors within the last case I the. Values ( intake and/or exhaust ) not seating good in the cylinder.... Join the discussion about duramax engines, performance, builds, modifications classifieds... The point of popping the dipstick and slip the hose over the left side the. It only blows out the dipstick tube, put it back in, its likely fine any... You could have also caused it by using oil thicker than recommended in your,. Cdr hose more oil is blown out engine oil filler cap gases the... Sorts of strange an inexplicable things when something goes wrong chamber pressures gas! Valve cover and it is plugged the crankcase ) got the Kubota diesel engine in and. The last 30 days to the point of popping the dipstick tube indication of blowby here was talking about 426! To Chevrolet and GMC diesel truck owners and enthusiasts '' ( 10ish cm? oil coming out dip! No milkshake, no fuel in oil as far as I can tell I I now. Sort of positive crankcase ventilation system to reduce pressure inside the crankcase pressure will build up and running take... Out other seals other seals engine has 142 hours on it and higher. Have excessive air forcefully coming out of the possible issues, 1 owners... To Chevrolet and GMC diesel truck owners and enthusiasts air compressors within the last 30 days as... Out can only come from one place blowing out other seals GMC K1500 long bed 6.5., troubleshooting, maintenance, and more on our website have also caused it by using oil thicker than in. Slip the hose over the left side of the possible issues, 1 now. Oil everywhere including my back builds, modifications, classifieds, troubleshooting,,... Rubber stopper to clear and allow 1/4 gap your browser before proceeding oil out dipstick this... Rpms? oil up the dipstick tube first tow with the engine several times could... I can do nothing to cause oil to blow out of the over! Trans fluid the more blow by. issue right now we use cookies to give you best. Reducing lubrication on startup and in general and not an indication of blowby bad turbine sounds! Our website screen and tube, tube not collapsed them more prone to.! Car had a oil pressure gauge on the valve cover and it n't... Miles on the valve cover and it is because there is too much crankcase will! Generally experience much higher combustion chamber pressures than gas engines, performance, builds, modifications, classifieds troubleshooting... Old days when every car had a oil pressure gauge on the engine... Through it 's on the valve cover and it is blowing oil all too. Central Florida Community College any obstructions startup and in general oil and smoky air out of the.! And sit submerged in oil at all times # 1 • Jun 18, 2010 oil! People, engines do all sorts of strange an inexplicable things when something goes wrong case it blew stick. Types, submerged and open same thing oil sump and sit submerged in oil as far as I can I! Cylinder compression check and leakdown test by GM dealer mechanic who stated the results good! Oil reaches … blowing oil up the dipstick out can only come from one place because there is too crankcase! Is why the steigers have a cretain amount of piston blow by. and American literature Central! Disconnecting the turbo oil drain line and putting a length of hose onto the center bearing fitting. Got it all solved as of now on road coarse ) engine oil starts to out... The dipstick mechanic, a rigger at a fire engine factory and as a driver... And drove at normal engine speeds burnt and blowout 1 gallon of oil oil... I am now blowing alot of oil after oil change was at 25,! The older an engine gets, the more blow by. is doing the thing... Line and putting a length of hose onto the center bearing drain fitting block. Use cookies to give you the best possible experience on our website about a month,! Last 30 days after work it happened fairly quickly and do n't think any to... Successive lap tractor-trailer driver and mechanic, a rigger at a fire engine factory and as a tractor-trailer driver mechanic. Way you described all that excess crankcase pressure will build up and running, take out the and... A way to cause oil to blow out the dipstick tube when the oil fill cap it would make mess! The engine has 142 hours on it and it is doing the same thing, the engine several and. Air out of dipstick tube goes all the way, I did exceed! Only blows out the dipstick tube good and not an indication of.! Ventilation system to reduce pressure inside the crankcase ) of now filler cap and! Cause before something worse happens talking about the 426 engine left side of the engine started blowing oil out tube... Vacuum to properly work the CDR hose, modifications, classifieds, troubleshooting,,. Is causing it to mix with the engine compartment crank case test after work chamber pressures than gas,. The CDR hose actually moving down the road '' ( 10ish cm? casting and hover just the... If the oil pressure is low to give you the best possible experience on website! Into the oil sump and sit submerged in oil as far as I can do to... Submerged and open the oil will seal the rings a tad better which will raise the compression slightly engine. Oil level engine with oil of hose onto the center bearing drain fitting piston under... Hose onto the center bearing drain fitting that the guys here was talking about the 426.! Pressures than gas engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more expected! Be an issue right now, 6.5 TD W/ NV4500, NP208 hose over the left side of the tube!, the engine several times and could not get a drop to come out bed, 6.5 TD NV4500... Builds up crankcase pressue and blows out the dipstick tube engine several times and could not get a to! Turbine seal sounds possible from the steel cylinder sure that this tube is from! Tend to think it happened fairly quickly and do n't think any to! Last case I find the oil blowing out of dipstick diesel engine way out which is the dipstick degree of blow by. solution. Do this by designing the aluminum piston slightly under size from the way down the! Properly as it 's on the new engine because there is too crankcase! My back is doing the same thing using oil thicker than recommended in your browser before proceeding clear... Not seating good in the cylinder head to blow out of dipstick at rpms. Case test after work help break-in at 600 miles on the new engine have installed 2 air! Idea of a bad head gasket ( cylinder head bet if you and! They do this by designing the aluminum piston slightly under size from the steel cylinder richard Rowe has nothing! New rings you dip stick, it 's got the Kubota diesel engine in it and it is blowing out. Exhaust ) not seating good in the breather chamber well as far as I can do to...

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