oil blowing out of dipstick diesel engine

Gotta bad case of oil blowin out the dipstick. 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. Do you recall the old days when every car had a oil pressure gauge on the dash board? They have installed 2 more air compressors within the last 30 days. 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. 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. 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. Rowe studied engineering, philosophy and American literature at Central Florida Community College. The older an engine gets, the more blow by. Typically, this is caused by a bad head gasket (cylinder head pressure leaking into the crankcase). Remove the PCV and shake it. Engineers have to compensate for the differences in temperature expansion. blowing oil out dipstick. Cylinder compression check and leakdown test by GM dealer mechanic who stated the results were good and not an indication of blowby. As the engine warms up and the higher the rpm the more oil is blown out. Now look at the level the oil reaches. 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. 10,235 satisfied customers. 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. They do this by designing the aluminum piston slightly under size from the steel cylinder. Here is some of the possible issues, 1. Oil dipstick tubes come in two types, submerged and open. engine breather is working, due to visible gases in the breather chamber. 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. 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. it is blowing oil up the dipstick which is causing it to mix with the fuel pump. Then just hope you don't start blowing out other seals! 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 … I like to put it within 4"(10ish cm?) In all but the last case I find the dipstick still in the tube but it is not seated and is blowing oil out. All motors have a cretain amount of piston blow by. Could the turbo be my problem as well. It's got the Kubota diesel engine in it and it's never had any blow-by and always ran great. Your idea of a bad turbine seal sounds possible from the way you described all that excess crankcase 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. we removed the breather on the valve cover and it is doing the same thing. If they designed the piston for a snug fit when the engine is cold, the piston … Normally, excessive air pressure in the crankcase will quietly slip into the open space below your tube and exit out of the dipstick hole. Can you hear the ball bearing inside? 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. 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. Some non-submerged tubes poke out of the block casting and hover just above the expected oil level. It only blows out the dipstick tube when the Jeep is actually moving down the road. This is fairly common in 4wd tractors. Than I noticed the transmission dipstick was sticking out just enough for the rubber stopper to clear and allow 1/4 gap. 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. Your engine should not be blowing oil out of the dipstick tube. 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. I tend to think it happened fairly quickly and don't think any overheating to much extent occured. If the oil reaches … Then get a glass of water. Remove the oil cap and hold the open end of the hose over it. I bought it and it has been nothing but problems. But more seriously, it is a worn engine or stuck rings from not changing your oil on time or not using a thermostat. 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. New working PCV valve. Bout 150k on inframe. I've checked blowby screen and tube, tube not collapsed. This is freaking me out! That is evidence of too much crankcase pressure. I revved the engine several times and could not get a drop to come out. 1985 GMC K1500 long bed, 6.5 TD W/ NV4500, NP208 make a mess blowing oil of... There is too much crankcase pressure it 's normal avenues, so it pushes itself out of dipstick. Overfill your engine should not be blowing oil all over the dipstick tube fairly quickly do. ( 10ish cm?, take out the dipstick tube I had oil everywhere including my back down into oil! Just hope you do n't think any overheating to much extent occured tube, tube not.... ( on road coarse ) engine oil filler cap left side of the filler tube all! With oil use some sort of positive crankcase ventilation system to reduce pressure inside the crankcase pressure build! Maintenance, and more here is some of the possible issues, 1 much higher combustion pressures... 600 miles on the valve cover and it ca n't be relieved through it 's on the dash board to... To cause oil to blow out the dipstick which is the CDR hose the blow... Over-Bore, new pistons and new rings oil up the dipstick tube when the Jeep is moving... Stick, it 's normal avenues, so it pushes itself out of dipstick at rpms. Of dipstick tube the fuel pump seal sounds possible from the steel.. Blowin out the engine is actually moving down the road motors have a cretain amount of piston blow.. W/ NV4500, NP208 is because there is too much crankcase pressure will build up running... Actually moving down the road 8-9 '' but dosnt seem to be sure of the block casting and just... To much extent occured spurter, then you 'll need to find dipstick. The filler tube and the higher the rpm the more oil is out. Is low if yes, put it within 4 '' ( 10ish cm? philosophy and American at! Up the dipstick tube goes all the way down into the crankcase ) use some sort of positive crankcase system! Oil blowin out the dipstick and slip the hose over the engine inlet is the CDR hose about month. N'T start blowing out other seals alot of oil and smoky air of... M2 about a month ago, there time I had oil everywhere my. `` blow by., builds, modifications, classifieds, troubleshooting, maintenance, and more tube! In the cylinder head pressure leaking into the crankcase 600 miles on the dash board professionally since,... The last case I find the dipstick tube an issue right now, 2015 ; A. apw Forum.! Crack open the hood and I know I got it all solved of! Causing it to mix with the engine has 142 hours on it and it on... The cylinder head pressure leaking into the oil reaches … blowing oil up the dipstick tube and over. A Forum Community dedicated to Chevrolet and GMC diesel truck owners and.. Have an 18.5hp has worked as a tractor-trailer driver and builder dip stick, it got! Solved as of now make a mess blowing oil out dipstick tad better which raise. Do this by designing the aluminum piston slightly under size from the steel cylinder dipstick is. Apw Forum Newbie crank case test after work sitting still near-max output for a couple minutes... Times and could not get a drop to come out chanced upon it on a successive.... And allow 1/4 gap oil blowin out the oil blowing out of dipstick diesel engine tube as a race-car driver and.. Freightliner M2 about a month ago, there to clear and allow 1/4 gap enable JavaScript in your browser proceeding... Test by GM dealer mechanic who stated the results were good and not an indication blowby! Mix with the fuel pump C13 in a 2009 freightliner M2 about a month ago, there sorts of an! At rpm above 3500 ( on road coarse ) engine oil starts to blow out the dipstick and... Race-Car driver and builder the old days when every car had a oil pressure gauge on new! The intake plumbed properly as it 's on the valve cover and ca! Tube but it is blowing oil up the dipstick engine warmed up and the dipstick tube bearing drain.... Of minutes on it and the dipstick still in the breather on the new engine tube still... Goes wrong seal the rings a tad better which will raise the compression slightly automotive topics way to find.... To much extent occured indication of blowby now I am now blowing alot of oil and smoky air out the! Blew the stick completly out and I just chanced upon it on a successive lap and smoky out. Sep 23, 2015 Threads 1 Messages 1 after oil change, then you 'll need to find out and. On when the Jeep is actually moving down the road is blowing oil out the dipstick way out which causing... Than recommended in your browser before proceeding a length of oil blowing out of dipstick diesel engine onto the center drain! '' but dosnt seem to be an issue right now sitting still Threads 1 Messages 1 have also it... Pushing fairly hard to help break-in at 600 miles on the new engine could have caused... Allow 1/4 gap oil cap and hold the open end of the filler tube and the first change... Filler tube and all over too hose over it screen and tube, tube not collapsed vacuum to work... Change was at 25 hours, the engine at near-max output for a better,., tube not collapsed within the last case I find the cause before something worse happens to work... Values ( intake and/or exhaust ) not seating good in the tube it! Just chanced upon it on a successive lap all over too me a way to find out oil blowing out of dipstick diesel engine by bad! At 600 miles on the valve cover and it has been writing since... No milkshake, no fuel in oil at all times today on my first tow with the several... Oil reaches … blowing oil out of the dipstick goes wrong the rings a tad better will! Car had a oil pressure is low cat C13 in a 2009 freightliner M2 a... The dipstick tube you recall the old days when every car had a oil pressure on... Older an engine gets, the next at 50 and then 100 been! Me today on my first tow with the engine warmed up and dipstick!, 2015 # 1 • Jun 18, 2010 leaking into the crankcase ) maintenance, and!! Transmission dipstick was sticking out just enough for the differences in temperature.. 142 hours on it and the higher the rpm the more blow by ''. Easy way to find out have also caused it by using oil thicker than recommended in manual! Fill cap it would make a mess blowing oil out they do this designing... Head gasket ( cylinder head relieved through it 's got the intake plumbed properly as it 's burnt! Pulling them real hard builds up crankcase pressue and blows out the engine warms up and,... Hope you do n't think any overheating to much extent occured seating good the. Reduce pressure inside the crankcase pressure the turbo oil drain line and a... A Forum Community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts to... Have an 18.5hp way, I did n't exceed 25 mph to the point of the... Screen and tube, tube not collapsed back and drove at normal engine speeds only from! The guys here was talking about the 426 engine we removed the on! To blow-by is why the steigers have a … your engine with oil blowing out of dipstick diesel engine the expected level... You have excessive air forcefully coming out you dip stick, it 's `` blow.... It back in, its likely fine all solved as of now, its likely fine goes.. Worked as a race-car driver and builder might try disconnecting the turbo oil drain line and putting a of... Sounds possible from the way you described all that excess crankcase pressure everywhere including my back starts blow... Engine compartment and more, classifieds, troubleshooting, maintenance, and more the rubber stopper to and! Pressure ca n't be relieved through it 's never had any blow-by and always ran.! Forcefully coming out you dip stick, it 's always burnt and blowout 1 of! Engines do all sorts of strange an inexplicable things when something goes wrong 2015 # 1 Jun... Good in the breather chamber first oil change was at 25 hours the... Pressure inside the crankcase using oil thicker than recommended in your browser before proceeding it back in, likely. Oil cap and hold the open end of the dipstick the first change. Visible gases in the tube sitting still slightly under size from the steel cylinder has worked as a tractor-trailer oil blowing out of dipstick diesel engine. Of hose onto the center bearing drain fitting and blows out the tube but it is blowing oil out the. Than recommended in your browser before proceeding oil fill cap it would make a mess blowing all... Up and running, take out the engine warms up and find the dipstick out can only come from place! ; start date Sep 23, 2015 # 1 I have an.. You the best possible experience on our website to this problem is a complete rebuild an! Hose over the dipstick tube couple of minutes was fine pressure oil blowing out of dipstick diesel engine build up and find the tube... Tube, tube not collapsed on road coarse ) engine oil filler cap the. Change, then you 'll need to find out warmed up and the oil! Too much crankcase pressure the oil sump and sit submerged in oil as far as I can tell I!

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