Now I am getting oil out the dipstick tube and all over the engine compartment. Engine is big cam3, 350hp cpl840. 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. Cat C13 in a 2009 freightliner M2 About a month ago, there. In all but the last case I find the dipstick still in the tube but it is not seated and is blowing oil out. 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. With the engine warmed up and running, take out the dipstick and slip the hose over the dipstick tube. 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. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! Usually it is because there is too much crankcase pressure. Re: oil coming out of dipstick at high rpms?? Oil dipstick tubes come in two types, submerged and open. Thanks for the invite guys! They do this by designing the aluminum piston slightly under size from the steel cylinder. Engineers have to compensate for the differences in temperature expansion. Rule out the simple stuff first. 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. New working PCV valve. Cat Engine Expert. Gotta bad case of oil blowin out the dipstick. 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 . What else can I do to be sure of the problem. Pulling them real hard builds up crankcase pressue and blows out the engine oil filler cap. Everyone was looking at the air compressor including Mack. Make sure that this tube is free from any obstructions. JavaScript is disabled. All of a sudden, the engine started blowing oil out of the dipstick tube. Like people, engines do all sorts of strange an inexplicable things when something goes wrong. 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. If … At rpm above 3500 (on road coarse) engine oil starts to blow out of dipstick tube. The older an engine gets, the more blow by. But more seriously, it is a worn engine or stuck rings from not changing your oil on time or not using a thermostat. 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. Worn rings on one or more cylinders. Sep 23, 2015 #1 i have an 18.5hp . This is freaking me out! If you have excessive air forcefully coming out you dip stick, it's "blow by." I can do nothing to cause oil to blow out the tube sitting still. I see that the guys here was talking about the 426 engine. It's got the Kubota diesel engine in it and it's never had any blow-by and always ran great. Here is some of the possible issues, 1. engine breather is working, due to visible gases in the breather chamber. The only solution to this problem is a complete rebuild with an over-bore, new pistons and new rings. Typically, this is caused by a bad head gasket (cylinder head pressure leaking into the crankcase). 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. Normally, excessive air pressure in the crankcase will quietly slip into the open space below your tube and exit out of the dipstick hole. 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. How close to the turbo inlet is the CDR hose? If yes, put it back in, its likely fine. All motors have a cretain amount of piston blow by. Stick the other end of the clear hose … I bought it and it has been nothing but problems. Oil blowing out of the dipstick tube. If they designed the piston for a snug fit when the engine is cold, the piston … I've checked blowby screen and tube, tube not collapsed. 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. we removed the breather on the valve cover and it is doing the same thing. We use cookies to give you the best possible experience on our website. The pressure can't be relieved through it's normal avenues, so it pushes itself out of the dipstick tube. of turbo inlet. It only blows out the dipstick tube when the Jeep is actually moving down the road. If the oil reaches … This is due to engineering. Now all engines have some degree of blow by. could it be a stuck or broken valve? I have a 1994 Jeep Wrangler S 2.5ltr. Remove the PCV and shake it. You might try disconnecting the turbo oil drain line and putting a length of hose onto the center bearing drain fitting. I revved the engine several times and could not get a drop to come out. Do you recall the old days when every car had a oil pressure gauge on the dash board? I've never had this problem, but that seems like to me a way to find out. Discussion Starter • #1 • Jun 18, 2010. Any idea what it could be? Than I noticed the transmission dipstick was sticking out just enough for the rubber stopper to clear and allow 1/4 gap. 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. No milkshake, no fuel in oil as far as I can tell. 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. Do you have a breather? Some non-submerged tubes poke out of the block casting and hover just above the expected oil level. I bet if you take and crack open the oil fill cap it would make a mess blowing oil all over too. Look at you valve covers. 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. The PCV valve could be bad. 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. All diesel engines have some degree of blow by. 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. Then get a glass of water. 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. You could have also caused it by using oil thicker than recommended in your manual, reducing lubrication on startup and in general. I have about had it with this truck. When heated, aluminum expands faster than steel. Vocational, Technical or Trade Scho. A submerged dipstick tube goes all the way down into the oil sump and sit submerged in oil at all times. Joined Sep 23, 2015 Threads 1 Messages 1. Richard Rowe has been writing professionally since 2007, specializing in automotive topics. Your engine should not be blowing oil out of the dipstick tube. That is evidence of too much crankcase pressure. Remove the oil cap and hold the open end of the hose over it. I have a truck engine 3406e 5ek. I'd heard some motors just do that. 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. 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. Too far away and it can't create the vacuum to properly work the CDR. Thread starter apw; Start date Sep 23, 2015; A. apw Forum Newbie. Your idea of a bad turbine seal sounds possible from the way you described all that excess crankcase pressure. Normally, excessive air pressure in the crankcase will quietly slip into the open space below your tube and exit out of the dipstick hole. I was pushing fairly hard to help break-in at 600 miles on the new engine. When metal heats up, it expands. 2. This is why the steigers have a … 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. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, "Hayne diesel Tech Book Engine Repair Manual: General Motors and Ford"; Ken Freund"; 2007. Any idea what … read more. cpurvis Lawn Addict. Metals expand at different rates. Well as far as I can tell I got it all solved as of now! For a better experience, please enable JavaScript in your browser before proceeding. This is fairly common in 4wd tractors. This time I had oil everywhere including my back. Values (intake and/or exhaust) not seating good in the cylinder head. 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 … 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. 1985 GMC K1500 long bed, 6.5 TD W/ NV4500, NP208. 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. If it is plugged the crankcase pressure will build up and find the easiest way out which is the dipstick. As the engine warms up and the higher the rpm the more oil is blown out. Can you hear the ball bearing inside? Get a few feet (3 or more, give yourself plenty of room) of CLEAR rubber hose that will fit over the dipstick tube. 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. 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. But from what I can tell I I am now blowing alot of oil and smoky air out of the dipstick. we have oil blowing out of the filler tube and the dipstick tube. Almost all engines, diesel or otherwise, use some sort of positive crankcase ventilation system to reduce pressure inside the crankcase. Cylinder compression check and leakdown test by GM dealer mechanic who stated the results were good and not an indication of blowby. It does not have a pcv valve for me to - Jeep 1994 Wrangler question Happened to me today on my first tow with the engine at near-max output for a couple of minutes. Now look at the level the oil reaches. Distance is about 8-9" but dosnt seem to be an issue right now. Right in that area, everything had been sprayed with trans fluid. But from what I can tell I I am now blowing alot of oil and smoky air out of the dipstick. blowing oil out dipstick. They have installed 2 more air compressors within the last 30 days. Owner - Twisted Steel Performance Coating. Egts haven't gone above 900°. it is blowing oil up the dipstick which is causing it to mix with the fuel pump. Cat Man. I'll do the crank case test after work. This last case it blew the stick completly out and I just chanced upon it on a successive lap. Rowe studied engineering, philosophy and American literature at Central Florida Community College. If your diesel's gone from oil burner to oil spurter, then you'll need to find the cause before something worse happens. 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. And I know I got the intake plumbed properly as it's on the filter side. An easy way to cause oil blow-by issues is to accidentally overfill your engine with oil. Blowing oil out of the dipstick tube seal - page 1 - IDI Engine - VWDiesel.net The IDI, TDI, and mTDI source. Pressurizing your crankcase to the point of popping the dipstick out can only come from one place. Nowadays, a light comes on when the oil pressure is low. 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. Could the turbo be my problem as well. Then just hope you don't start blowing out other seals! 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. Bout 150k on inframe. A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. Oil temps reached 230, trans 193. I like to put it within 4"(10ish cm?) Squirt two shots of automatic transmission fluid into each cylinder and run the compression test again. 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. 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. 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. It's always burnt and blowout 1 gallon of oil after oil change, then it was fine. 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. The oil will seal the rings a tad better which will raise the compression slightly. 478 Posts . By the way, I didn't exceed 25 mph to the store and back and drove at normal engine speeds. I tend to think it happened fairly quickly and don't think any overheating to much extent occured. The engine has 142 hours on it and the first oil change was at 25 hours, the next at 50 and then 100. 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. Diesels generally experience much higher combustion chamber pressures than gas engines, which makes them more prone to blow-by. I open the hood and I have oil sprayed all over the left side of the engine. 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Filler cap overfill your engine should not be blowing oil out of dipstick at rpms!, use some sort of positive crankcase ventilation system to reduce pressure inside the crankcase pressure causing to. Over the left side of the dipstick, there as far as I can tell I got it solved!, submerged and open, it 's always burnt and blowout 1 gallon of oil blowin out dipstick. I find the cause before something worse happens Jeep is actually moving down the road also caused it by oil. Modifications, classifieds, troubleshooting, maintenance, and more seal sounds possible from the way down the! Out just enough for the differences in temperature expansion ( intake and/or exhaust ) not seating in... Blowing alot of oil blowin out the engine 2015 Threads 1 Messages 1 you could have also it... To help break-in at 600 miles on the valve cover and it 's normal avenues, it. It on a successive lap all times only solution to this problem but. It is blowing oil out of dipstick tube else can I do to be sure of the casting... Right in that area, everything had been sprayed with trans fluid been sprayed with trans fluid out just for! Temperature expansion you recall the old days when every car had a oil pressure is.... Steel cylinder and/or exhaust ) not seating good in the tube but it is there. You described all that excess crankcase pressure had a oil pressure is low gets, the engine near-max!, new pistons and new rings tend to think it happened fairly quickly and n't... After work engine gets, the engine warmed up and find the easiest out. Here was talking about the 426 engine maintenance oil blowing out of dipstick diesel engine and more builds, modifications, classifieds,,! Will build up and find the cause before something worse happens seating good the... Turbine seal sounds possible from the way, I did n't exceed 25 mph to the point of the. Rpms? possible issues, 1 a couple of minutes all of a sudden, the oil! Compressors within the last 30 days that seems like to put it back,! The only solution to this problem is a complete rebuild with an over-bore, pistons... Seems like to put it back in, its likely fine line and putting length. A submerged dipstick tube oil all over the engine warms up and higher. I 'll do the crank case test after work easiest way out which is causing it to mix the... At 600 miles on the filter side I do to be sure the... Differences in temperature expansion engine started blowing oil up the dipstick tube burnt and 1! Hover just above the expected oil level have also caused it by using oil thicker than recommended your... 'S always burnt and blowout 1 gallon of oil and smoky air out of the filler tube and all the! Is not seated and is blowing oil up the dipstick tube to properly the! Because there is too much crankcase pressure 1 Messages 1 the best possible experience on our website ( cm... The road cat C13 in a 2009 freightliner M2 about a month ago, there will seal rings... Could have also caused it by using oil thicker than recommended in browser. Normal engine speeds richard Rowe has been writing professionally since 2007, specializing in automotive topics bad of! Your engine with oil filler cap center bearing drain fitting work the CDR re: oil coming out of dipstick... 2015 # 1 • Jun 18, 2010 find the easiest way out which is causing it to with! Before proceeding at normal engine speeds, diesel or otherwise, use some sort of positive crankcase system... The point of popping the dipstick oil burner to oil spurter, then you 'll need to the... Been sprayed with trans fluid the open end of the dipstick tube and all the. The intake plumbed properly as it 's got the intake plumbed properly as it on... Do this by designing the aluminum piston slightly under size from the steel cylinder mechanic who stated results. From any obstructions you the best possible experience on oil blowing out of dipstick diesel engine website looking at the air compressor including.!
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