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. With the engine warmed up and running, take out the dipstick and slip the hose over the dipstick tube. If … Any idea what … read more. 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. cpurvis Lawn Addict. Do you recall the old days when every car had a oil pressure gauge on the dash board? I have a truck engine 3406e 5ek. Remove the oil cap and hold the open end of the hose over it. Usually it is because there is too much crankcase pressure. It's always burnt and blowout 1 gallon of oil after oil change, then it was fine. It only blows out the dipstick tube when the Jeep is actually moving down the road. Almost all engines, diesel or otherwise, use some sort of positive crankcase ventilation system to reduce pressure inside the crankcase. A submerged dipstick tube goes all the way down into the oil sump and sit submerged in oil at all times. 2. Pressurizing your crankcase to the point of popping the dipstick out can only come from one place. Right in that area, everything had been sprayed with trans fluid. 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 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 does not have a pcv valve for me to - Jeep 1994 Wrangler question Do you have a breather? Well as far as I can tell I got it all solved as of now! Than I noticed the transmission dipstick was sticking out just enough for the rubber stopper to clear and allow 1/4 gap. Look at you valve covers. Everyone was looking at the air compressor including Mack. Could the turbo be my problem as well. The PCV valve could be bad. Cat C13 in a 2009 freightliner M2 About a month ago, there. I'll do the crank case test after work. Now all engines have some degree of blow by. I have a 1994 Jeep Wrangler S 2.5ltr. Now I am getting oil out the dipstick tube and all over the engine compartment. Owner - Twisted Steel Performance Coating. In all but the last case I find the dipstick still in the tube but it is not seated and is blowing oil out. It's got the Kubota diesel engine in it and it's never had any blow-by and always ran great. Joined Sep 23, 2015 Threads 1 Messages 1. The only solution to this problem is a complete rebuild with an over-bore, new pistons and new rings. The engine has 142 hours on it and the first oil change was at 25 hours, the next at 50 and then 100. You could have also caused it by using oil thicker than recommended in your manual, reducing lubrication on startup and in general. 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. 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. Worn rings on one or more cylinders. If it is plugged the crankcase pressure will build up and find the easiest way out which is the dipstick. Happened to me today on my first tow with the engine at near-max output for a couple of minutes. By the way, I didn't exceed 25 mph to the store and back and drove at normal engine speeds. Get a few feet (3 or more, give yourself plenty of room) of CLEAR rubber hose that will fit over the dipstick tube. An easy way to cause oil blow-by issues is to accidentally overfill your engine with oil. Then just hope you don't start blowing out other seals! Discussion Starter • #1 • Jun 18, 2010. All motors have a cretain amount of piston blow by. Squirt two shots of automatic transmission fluid into each cylinder and run the compression test again. I tend to think it happened fairly quickly and don't think any overheating to much extent occured. What else can I do to be sure of the problem. 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'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. Can you hear the ball bearing inside? 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. The older an engine gets, the more blow by. Make sure that this tube is free from any obstructions. Remove the PCV and shake it. 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. Cat Engine Expert. Blowing oil out of the dipstick tube seal - page 1 - IDI Engine - VWDiesel.net The IDI, TDI, and mTDI source. Values (intake and/or exhaust) not seating good in the cylinder head. Metals expand at different rates. I have about had it with this truck. I can do nothing to cause oil to blow out the tube sitting still. I'd heard some motors just do that. If the oil reaches … If you have excessive air forcefully coming out you dip stick, it's "blow by." Distance is about 8-9" but dosnt seem to be an issue right now. 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. Egts haven't gone above 900°. Engineers have to compensate for the differences in temperature expansion. They have installed 2 more air compressors within the last 30 days. engine breather is working, due to visible gases in the breather chamber. Diesels generally experience much higher combustion chamber pressures than gas engines, which makes them more prone to blow-by. 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. 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. When metal heats up, it expands. How close to the turbo inlet is the CDR hose? But from what I can tell I I am now blowing alot of oil and smoky air out of the dipstick. 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. Rowe studied engineering, philosophy and American literature at Central Florida Community College. Too far away and it can't create the vacuum to properly work the CDR. Stick the other end of the clear hose … But more seriously, it is a worn engine or stuck rings from not changing your oil on time or not using a thermostat. 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. Engine is big cam3, 350hp cpl840. As the engine warms up and the higher the rpm the more oil is blown out. I open the hood and I have oil sprayed all over the left side of the engine. 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. Normally, excessive air pressure in the crankcase will quietly slip into the open space below your tube and exit out of the dipstick hole. When heated, aluminum expands faster than steel. I see that the guys here was talking about the 426 engine. 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. A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. 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. could it be a stuck or broken valve? 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. Some non-submerged tubes poke out of the block casting and hover just above the expected oil level. Normally, excessive air pressure in the crankcase will quietly slip into the open space below your tube and exit out of the dipstick hole. No milkshake, no fuel in oil as far as I can tell. Re: oil coming out of dipstick at high rpms?? 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. They do this by designing the aluminum piston slightly under size from the steel cylinder. This is freaking me out! All diesel engines have some degree of blow by. Cylinder compression check and leakdown test by GM dealer mechanic who stated the results were good and not an indication of blowby. it is blowing oil up the dipstick which is causing it to mix with the fuel pump. I like to put it within 4"(10ish cm?) Sep 23, 2015 #1 i have an 18.5hp . We use cookies to give you the best possible experience on our website. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, "Hayne diesel Tech Book Engine Repair Manual: General Motors and Ford"; Ken Freund"; 2007. 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. Your engine should not be blowing oil out of the dipstick tube. I was pushing fairly hard to help break-in at 600 miles on the new engine. 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. 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. Rule out the simple stuff first. This is why the steigers have a … I bought it and it has been nothing but problems. Oil dipstick tubes come in two types, submerged and open. 10,235 satisfied customers. If your diesel's gone from oil burner to oil spurter, then you'll need to find the cause before something worse happens. This last case it blew the stick completly out and I just chanced upon it on a successive lap. That area, everything had been sprayed with trans fluid ta bad case of oil blowin out the sitting. Guys here was talking about the 426 engine at the air compressor including Mack I tend to it... The pressure ca n't create the vacuum to properly work the CDR hose to be issue... Had any blow-by and always ran great hours on it and it has been writing professionally since 2007 specializing. Rowe studied engineering, philosophy and American literature at Central Florida Community College air out of the filler and. Allow 1/4 gap the higher the rpm the more blow by. them more prone to blow-by you! 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