Oil Blowing Out of Dipstick Tube

What will cause motor oil to blow out of a dipstick tube?

By Gene Paulk from Live Oak, FL


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September 27, 20093 found this helpful

There is oil pressure inside of the engine. Do you recall the old days when every car had a oil pressure gauge on the dash board? Nowadays, a light comes on when the oil pressure is low. 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.

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December 12, 20171 found this helpful

thanks that was helpful

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September 6, 20180 found this helpful

This is a massy Ferguson tractor diesel 1963 model 35 oil blowing out of dip stick

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April 3, 20112 found this helpful

It is likely caused by blow-by, be sure the oil level is not over full as well. It is a possibility the PCV Valve is not working properly and causing the pressure buildup as well, replace the PCV Valve first. This also may be caused by Blow-by that is caused by broken or stuck lower compression rings in turn causing the pressure to build up inside the engine, if replacing the PCV Valves doesn't stop it then get some top engine cleaner and remove all spark plugs and poor the whole can of fluid inside the spark plug holes equal amount to each cylinder, let it sit over night (spark plugs left out).


To stop a real mess lay rags over where the spark plug holes are then turn over engine (plugs are out of engine) after the solution is pumped out, replace the spark plugs and start engine and see if there is blow-by if Ok your fixed if not then a ring job may be requires, Try the simple first and then the later last. Hope this helps, God bless you.

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October 28, 20150 found this helpful

If all else fails, check the bottom of intake manifold for a hole burned through it. I had a oil blowing 350 and that was my problem.

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December 9, 20160 found this helpful

Does not idle will this also course this to happen after replacing ring, bearings and did the head

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January 17, 20170 found this helpful

I have oil blowing out I my dip stick. truck is not skipping runs good but can't keep oil in the motor do you have a picture of the hole that was burnt into the Intake that you were talkin about on you post.


Thanks for the help

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April 27, 20170 found this helpful

hi where is the pcv valve located on the c200 mercedes benz engine

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August 11, 20170 found this helpful

But the rings were change already

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February 28, 20180 found this helpful

After replacing the engine linked kit

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March 27, 20170 found this helpful

If you have excessive air forcefully coming out you dip stick, it's "blow by." I bet if you take and crack open the oil fill cap it would make a mess blowing oil all over too. Now all engines have some degree of blow by. Here is some of the possible issues, 1. Worn rings on one or more cylinders. 2. Values (intake and/or exhaust) not seating good in the cylinder head.


Yes, both will cause air/pneumatic pressure into your crank case.

Best think you can do is a cylinder pressure check. I think you can get a loaner from one of the auto stores or just buy one. Get you a Haynes and Clitons for your vehicle. And it will tell you how to do it. I say get both books/manuals as the both have better topics, graphics that the other leaves out

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June 17, 20170 found this helpful

with my 2006 vw 2.0T i got air coming out of the deep stick amd engine running rough on idle.who can help?

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July 31, 20180 found this helpful

Attn!!! Valves not seating good, do NOT pressurise the crankcase;if you re-read an engine layout diagram again you'll see why.

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April 10, 20180 found this helpful

With the turbo VW another check is a leak in the seal on the turbo. I had a Mercedes that leaked exhaust back into the oil through the rotory seal beteen the exhaust side of the turbo and the oil that cooled that area.

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October 5, 20180 found this helpful

Obviously it's the compression blowing in the oil pan, meaning your piston rings are gone, most of the times that happens when your engine overheats and the compression rings get ceased on the piston groove

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