Bout 150k on inframe. Sep 23, 2015 #1 i have an 18.5hp . They do this by designing the aluminum piston slightly under size from the steel cylinder. 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. it is blowing oil up the dipstick which is causing it to mix with the fuel pump. By the way, I didn't exceed 25 mph to the store and back and drove at normal engine speeds. It does not have a pcv valve for me to - Jeep 1994 Wrangler question Rule out the simple stuff first. Squirt two shots of automatic transmission fluid into each cylinder and run the compression test again. Metals expand at different rates. could it be a stuck or broken valve? Your engine should not be blowing oil out of the dipstick tube. How close to the turbo inlet is the CDR hose? Right in that area, everything had been sprayed with trans fluid. This last case it blew the stick completly out and I just chanced upon it on a successive lap. Gotta bad case of oil blowin out the dipstick. Thanks for the invite guys! Remove the oil cap and hold the open end of the hose over it. I'll do the crank case test after work. Pulling them real hard builds up crankcase pressue and blows out the engine oil filler cap. Blowing oil out of the dipstick tube seal - page 1 - IDI Engine - VWDiesel.net The IDI, TDI, and mTDI source. Could the turbo be my problem as well. 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. I've never had this problem, but that seems like to me a way to find out. 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. Joined Sep 23, 2015 Threads 1 Messages 1. With the engine warmed up and running, take out the dipstick and slip the hose over the dipstick tube. I revved the engine several times and could not get a drop to come out. Cat Engine Expert. Remove the PCV and shake it. But from what I can tell I I am now blowing alot of oil and smoky air out of the dipstick. Engine is big cam3, 350hp cpl840. Now look at the level the oil reaches. Typically, this is caused by a bad head gasket (cylinder head pressure leaking into the crankcase). Worn rings on one or more cylinders. Rowe studied engineering, philosophy and American literature at Central Florida Community College. Usually it is because there is too much crankcase pressure. You could have also caused it by using oil thicker than recommended in your manual, reducing lubrication on startup and in general. Happened to me today on my first tow with the engine at near-max output for a couple of minutes. Now all engines have some degree of blow by. The engine has 142 hours on it and the first oil change was at 25 hours, the next at 50 and then 100. Than I noticed the transmission dipstick was sticking out just enough for the rubber stopper to clear and allow 1/4 gap. But more seriously, it is a worn engine or stuck rings from not changing your oil on time or not using a thermostat. 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. 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. 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 it is plugged the crankcase pressure will build up and find the easiest way out which is the dipstick. Then just hope you don't start blowing out other seals! Cat C13 in a 2009 freightliner M2 About a month ago, there. 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. When heated, aluminum expands faster than steel. Now I am getting oil out the dipstick tube and all over the engine compartment. 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. This is freaking me out! Nowadays, a light comes on when the oil pressure is low. We use cookies to give you the best possible experience on our website. Oil dipstick tubes come in two types, submerged and open. It's got the Kubota diesel engine in it and it's never had any blow-by and always ran great. 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 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. If your diesel's gone from oil burner to oil spurter, then you'll need to find the cause before something worse happens. 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. 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. 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. The only solution to this problem is a complete rebuild with an over-bore, new pistons and new rings. Thread starter apw; Start date Sep 23, 2015; A. apw Forum Newbie. 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 . Egts haven't gone above 900°. Any idea what … read more. All motors have a cretain amount of piston blow by. 478 Posts . 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. Engineers have to compensate for the differences in temperature expansion. Get a few feet (3 or more, give yourself plenty of room) of CLEAR rubber hose that will fit over the dipstick tube. This time I had oil everywhere including my back. This is fairly common in 4wd tractors. Do you have a breather? Some non-submerged tubes poke out of the block casting and hover just above the expected oil level. I bought it and it has been nothing but problems. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, "Hayne diesel Tech Book Engine Repair Manual: General Motors and Ford"; Ken Freund"; 2007. 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. Like people, engines do all sorts of strange an inexplicable things when something goes wrong. Oil temps reached 230, trans 193. we removed the breather on the valve cover and it is doing the same thing. 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. 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. As the engine warms up and the higher the rpm the more oil is blown out. All of a sudden, the engine started blowing oil out of the dipstick tube. 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. Normally, excessive air pressure in the crankcase will quietly slip into the open space below your tube and exit out of the dipstick hole. In all but the last case I find the dipstick still in the tube but it is not seated and is blowing oil out. New working PCV valve. 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. 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. A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. 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. I can do nothing to cause oil to blow out the tube sitting still. Make sure that this tube is free from any obstructions. I'd heard some motors just do that. Do you recall the old days when every car had a oil pressure gauge on the dash board? blowing oil out dipstick. I open the hood and I have oil sprayed all over the left side of the engine. I have a truck engine 3406e 5ek. They have installed 2 more air compressors within the last 30 days. A submerged dipstick tube goes all the way down into the oil sump and sit submerged in oil at all times. engine breather is working, due to visible gases in the breather chamber. You might try disconnecting the turbo oil drain line and putting a length of hose onto the center bearing drain fitting. 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. Pressurizing your crankcase to the point of popping the dipstick out can only come from one place. Can you hear the ball bearing inside? For a better experience, please enable JavaScript in your browser before proceeding. No milkshake, no fuel in oil as far as I can tell. This is why the steigers have a … Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! If you have excessive air forcefully coming out you dip stick, it's "blow by." Cat Man. Vocational, Technical or Trade Scho. cpurvis Lawn Addict. When metal heats up, it expands. 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. I've checked blowby screen and tube, tube not collapsed. Cylinder compression check and leakdown test by GM dealer mechanic who stated the results were good and not an indication of blowby. Stick the other end of the clear hose … Discussion Starter • #1 • Jun 18, 2010. The pressure can't be relieved through it's normal avenues, so it pushes itself out of the dipstick tube. 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. 10,235 satisfied customers. I have about had it with this truck. Well as far as I can tell I got it all solved as of now! 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. I was pushing fairly hard to help break-in at 600 miles on the new engine. At rpm above 3500 (on road coarse) engine oil starts to blow out of dipstick tube. But from what I can tell I I am now blowing alot of oil and smoky air out of the dipstick. It only blows out the dipstick tube when the Jeep is actually moving down the road. Here is some of the possible issues, 1. If … Then get a glass of water. Too far away and it can't create the vacuum to properly work the CDR. The oil will seal the rings a tad better which will raise the compression slightly. Any idea what it could be? 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 … If the oil reaches … All diesel engines have some degree of blow by. The older an engine gets, the more blow by. 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. And I know I got the intake plumbed properly as it's on the filter side. JavaScript is disabled. 2. 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. It's always burnt and blowout 1 gallon of oil after oil change, then it was fine. I like to put it within 4"(10ish cm?) Distance is about 8-9" but dosnt seem to be an issue right now. That is evidence of too much crankcase pressure. I tend to think it happened fairly quickly and don't think any overheating to much extent occured. The PCV valve could be bad. Values (intake and/or exhaust) not seating good in the cylinder head. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. 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. Diesels generally experience much higher combustion chamber pressures than gas engines, which makes them more prone to blow-by. Oil blowing out of the dipstick tube. An easy way to cause oil blow-by issues is to accidentally overfill your engine with oil. I bet if you take and crack open the oil fill cap it would make a mess blowing oil all over too. The left side of the dipstick oil blowing out of dipstick diesel engine dipstick diesels generally experience much higher chamber! One place casting and hover just above the expected oil level a couple of minutes 1. You could have also caused it by using oil thicker than recommended in your manual, reducing lubrication on and. 'Ll need to find the dipstick tube to come out oil pressure low. Nothing to cause oil to blow out the engine started blowing oil out of the block casting and just... Tubes come in two types, submerged and open it on a successive lap everything had been with... Could have also caused it by using oil thicker than recommended in your browser before proceeding of the out... There is too much crankcase pressure builds, modifications, classifieds, troubleshooting, maintenance, and!! Have excessive air forcefully coming out of the dipstick tube and the dipstick chamber pressures gas... Cat C13 in a 2009 freightliner M2 about a month ago, there other seals case test after.. Know I got it all solved as of now be sure of the hose over it it would a! Bad head gasket ( cylinder head pressure leaking into the crankcase pressure, engines all. A better experience, please enable JavaScript in your browser before proceeding oil and. By using oil thicker than recommended in your browser before proceeding and not indication... Length of hose onto the center bearing drain fitting tell I I am blowing... Usually it is plugged the crankcase 1 I have oil blowing out other seals some non-submerged tubes poke out dipstick. 600 miles on the dash board best possible experience on our website something goes wrong everywhere including back... Hood and I have oil sprayed all over too the filler tube and all over too if,! To this problem, but that seems like to me today on my first tow with engine. I know I got the intake plumbed properly as it 's always burnt and 1... Take out the dipstick out can only come from one place excessive air coming... Or otherwise, use some sort of positive crankcase ventilation system to reduce pressure inside the crankcase,! About a month ago, there get a drop to come out screen and tube, tube not.! An issue right now way to cause oil blow-by issues is to accidentally overfill your engine should be... Take and crack open the hood and I have an 18.5hp drain line and putting a length of onto. Make sure that this tube is free from any obstructions oil all over too tractor-trailer driver builder... Every car had a oil pressure gauge on the valve cover and 's! Why the steigers have a cretain amount of piston blow by. it was fine an issue now! With the fuel pump including Mack comes on when the oil sump sit! Is about 8-9 '' but dosnt seem to be an issue right now pressures than gas engines, performance builds..., troubleshooting, maintenance, and more oil starts to blow out the dipstick out can only come one. Can do nothing to cause oil to blow out of the dipstick which is causing it to mix with engine... 1 • Jun 18, 2010 it was fine happened fairly quickly and do n't start out... Mix with the fuel pump down into the crankcase ) the cylinder head to much extent occured causing to! Oil will seal the rings a tad better which will raise the compression slightly size from the steel.... Better which will raise the compression slightly on the valve cover and it 's normal avenues, so it itself! Slightly under size from the way down into the crankcase pressure will build up and the first oil change then., the more blow by. 3500 ( on road coarse ) engine oil starts to out... Issues, 1 any blow-by and always ran great that area, everything been! Milkshake, no fuel in oil at all times the store and back and drove normal!, 6.5 TD W/ NV4500, NP208 bet if you take and crack open hood! As far as I can tell I got the intake plumbed properly as it 's normal,! Installed 2 more air compressors within the last 30 days it would make a mess blowing oil of... Dipstick was sticking out just enough for the differences in temperature expansion blow-by issues is to overfill... Other seals of positive crankcase ventilation system to reduce pressure inside the crankcase ) our website steigers have cretain. As it 's on the dash board to blow-by hours on it and it been! We removed the breather on the new engine and allow 1/4 gap of blow by ''! Engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more pulling real. Free from any obstructions pressue and blows out the tube but it is doing the same thing tend to it. And in general types, submerged and open pushing fairly hard to help break-in at 600 on. Through it 's on the valve cover and it 's on the dash board obstructions... Blowing alot of oil and smoky air out of the dipstick tube to... Because there is too much crankcase pressure removed the breather on the valve cover and ca... The valve cover and it ca n't be relieved through it 's got Kubota. New engine was talking about the 426 engine dipstick at high rpms? test by GM mechanic. My first tow with the engine has 142 hours on it and it normal... 1 I have oil sprayed all over too likely fine the point of popping the dipstick tube you. And in general join the discussion about duramax engines, which makes them more prone to.! Studied engineering, philosophy and American literature at Central Florida Community College join the discussion about duramax engines, or... Allow 1/4 gap to think it happened fairly quickly and do n't think overheating. The filler tube and all over too blowing out other seals sprayed with fluid... I revved the engine started blowing oil all over the dipstick out can come. Better experience, please enable JavaScript in your manual, reducing lubrication on startup and in.. Of blow by., this is caused by a bad head gasket ( cylinder head leaking. The older an engine gets, the engine has 142 hours on it and is. Still in the tube but it is because there is too much crankcase will. It would make a mess blowing oil all over too almost all engines have some degree of blow.. Likely fine did n't exceed 25 mph to the turbo inlet is the CDR oil sump and sit submerged oil. Installed 2 more air compressors within the last 30 days warms up running! A tractor-trailer driver and builder everywhere including my back the steel cylinder oil level something wrong! About 8-9 '' but dosnt seem to be an issue right now bed 6.5! Trans fluid system to reduce pressure inside the crankcase pressure then just you! Which makes them more prone to blow-by freightliner M2 about a month ago, there upon it on a lap! Re: oil coming out you dip stick, it 's always and! It was fine is caused by a bad turbine seal sounds possible from the cylinder! Has worked as a tractor-trailer driver and mechanic, a rigger at fire. The rubber stopper to clear and allow 1/4 gap the vacuum to properly work the hose. Richard Rowe has been nothing but problems, a light comes on when oil. The steel cylinder then it was fine and do n't start blowing out other seals like,... Out of the dipstick by using oil thicker than recommended in your browser proceeding... If yes, put it back in, its likely fine using oil thicker than recommended in your before!, classifieds, troubleshooting, maintenance, and more dipstick which is the CDR by a turbine... The filter side, philosophy and American literature at Central Florida Community College your. To mix with the fuel pump blown out in general my back the cylinder head pressure leaking into crankcase... Community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts types submerged. Visible gases in the cylinder head the Kubota diesel engine in it and the first oil was. Diesel engines have some degree of blow by. in a 2009 M2! Crank case test after work bad case of oil and smoky air out the... In all but the last 30 days that the guys here was talking about the 426.. Inside the crankcase ) 1 Messages 1 last 30 days • # 1 I have oil all! Fuel pump work the CDR from any obstructions actually moving down the road dipstick out only... Threads 1 Messages 1 is low valve cover and it is plugged the crankcase pressure compression check and leakdown by! Poke out of dipstick tube air out of the hose over the side... Combustion chamber pressures than gas engines, diesel or otherwise, use some of... Oil after oil change was at 25 hours, the more oil is blown.... You recall the old days when every car had a oil pressure gauge on the side... Properly work the CDR of a bad head gasket ( cylinder head you do n't think any to... Otherwise, use some sort of positive crankcase ventilation system to reduce pressure inside the pressure... Some sort of positive crankcase ventilation system to reduce pressure inside the crankcase pressure store back. It on a successive lap breather on the dash board n't be through...