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303447-1147-E1 oil leaking under breather assembly

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

onyeredson
  • 404 Answers

SOURCE: oil leaks from breather box

Hi!
From your brief description It sounds like you are experiencing Crank Case pressure build up.
I presume your ZZR is of High mileage or possibly previous owners havn't serviced it regularly.
The problem being the compression Piston Rings wear and allow Blow Back gasses into the crank case there by building up pressure, this in turn sends an oil film up the breather tube to your air box resulting in your problem.
You could try an oil & filter change (Synthetic) Top jolly with maybe an additive plus similar for the fuel i.e. Red-Ex or similar, it may help but I doubt a cure.
If you want you could extend the breather pipe away from the box into a drip can or similar, be sure to filter it as you don't want to get contamination down in the cases.
Hope this sorts it for you?
Please press the Blue Button for appraisal of my FREE! Effort.
Thank You! & Good Luck.
Paul 'W' U.K.

Posted on Mar 05, 2009

  • 2 Answers

SOURCE: oil leaks out breather after ride

mine does the same thing ive been told its normal just keep an eye on oil level but make sure engine is warm before checking it other wise it wont read properly on dip stick

Posted on Apr 19, 2009

  • 280 Answers

SOURCE: oil leaking through the air breather. oil is

Just a possibility, i found this worked on some cars with similar problem (at least reduced the amount of oil going up the pipe)

Add a (bit at a time) bottle of STP oil treatment, the thick gooey stuff, it should increase the surface tension of the oil, keeping it in one piece, not splitting up and splattering around --> thus being less readily exhaled up the blow-off pipe.
just a thought. this will also increase the compression a little since it thickens the oil, will take up a little wear too coz it likes to cling on to bearings.

Posted on Apr 30, 2009

  • 3600 Answers

SOURCE: pressure washer that leaks oil through the air breather

Most likely your air filter is plugged or dirty, or the crank case vent valve needs to be cleaned.if it still does it check that the oil level is at the full mark, if overfilled it would cause the same problem.

Posted on Jun 22, 2009

mecanica03
  • 881 Answers

SOURCE: porsche 993 turbo 1995 oil leak

this a turbo problem, you must to repair turbo

Posted on Jul 05, 2009

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On a revtech 110 why is oil blowing out the breather tubes and head?


Hi, Chasity oil leaking from your air cleaner is caused by oil carryover from the engine. For whatever reason, the breather system is not separating enough oil mist and air from the piston downstroke. There are cheap and quick easy fixes and there are more expensive ones. First, make sure your breather hoses are not dry and cracked if they are ok you can start by trying the following:
1. Run your oil level half way between the add and full mark when hot.
2. Run oil breather lines from the head into a TEE fitting below carb/induction module then a single line into a mini filter under the frame.
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4. Replace umbrella valves and realign oil pump.
5. Upgrade oil pump and cam plate.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below and for more specific information or questions at no charge please feel free to contact me at xlch@mail.com. Good luck and have a nice day.
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Hi, Anonymous oil leaking from your air cleaner is caused by oil carryover from the engine. For whatever reason, the breather system is not separating enough oil mist and air from the piston downstroke. There are cheap and quick easy fixes and there are more expensive ones. First, make sure your breather hoses are not dry and cracked if they are ok you can start by trying the following:
1. Run your oil level half way between the add and full mark when hot.
2. Run oil breather lines from the head into a TEE fitting below carb/induction module then a single line into a mini filter under the frame.
3. Purchase Arlen Ness Super Sucker.
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Oil leaking from breather tube on my 1991 harley davison heritage soft tail on first start after four year storage


The engine "sumped", meaning the oil in the oil tank leaked past the check ball in the oil pump and is now in the bottom of the crankcase. Place a pan under the breather tube and run the bike until no more oil comes from the breather. keep an eye on the level in the oil tank. You don't want to run it dry. If you added oil, chances are the dipstick will fly out due to too much oil pressure. When you're done, either change the oil and filter, or add oil to the tank.

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1 Answer

Harley is leaking oil from head breathers 1340 evo what could this be


Hi Anonymous, oil leaking from your air cleaner is caused by oil carryover from the engine. For what ever reason the breather system is not seperating enough oil mist and air from the piston downstroke. There are cheap and quick easy fixes and there are more exspensive ones. Start by trying the following:
1. Run your oil level half way between the add and full mark when hot.
2. Run oil breather lines from head into a TEE fitting below carb/induction module then a single line into a mini filter under frame.
3. Purchase Arlen Ness Super Sucker.
4. Replace umbrella valves and realign oil pump
5. Upgrade oil pump and cam plate
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Feb 06, 2012 | Harley Davidson Motorcycles

2 Answers

18.5 hp Briggs & Staratton ELS 500 Smoking after oil and filter change and I did tilt the mower to drain the oil. So how do I get it to quit smoking?


First off, I did not write this article, but it is very informative and in depth:

Easy Lawnmower Repair"Clouds of white smoke."
This is one of the common complaints we see at the small engine shop in the Spring. The complaint is usually the same, "I put the Tractor/mower/tiller/snowthrower up for the season and it was fine all of last year. This year I take it out and I start it up and after a couple of minutes it starts blowing white smoke very heavily. Are my rings shot?"
Generally billowing clouds of white smoke are from one of two things. Either the crankcase breather has failed or the oil is contaminated.
The crankcase breather vents the gases and excess pressure from the crankcase and sends them through the carburetor to be burnt in the combustion process. Some breathers are nothing more than a reed valve that opens and closes as the pressure changes inside the crankcase from the piston's movement. If this reed breaks, bends or otherwise fails, then excess oil is pulled into the carburetor and the result is a lot of smoke. Other breathers are screen or filter type and when they become too fouled or broken down to function, same result, lots of smoke.
Diagnosis is done by looking for two things, oil in the air cleaner/carburetor and black oil soaked or heavily carboned spark plugs. Since oil is being fed directly into the cylinder, the plug will foul very quickly and probably also affect engine performance. Breathers can fail at any time, often they will fail over the winter as the oil that's built up on and around them solidifies and just generally plugs things up.
Repair is a pretty simple matter on many engines, just replace the breather. You can try turning the reed around on the reed type breathers, but personally I just replace them. Sometimes all they need is a cleaning though, so give that a try. Most breathers will run from just a couple dollars for reeds to maybe twenty dollars although a few that are incorporated into the valve cover may be upwards of thirty dollars.
Reeds and complete breathers are available from most small engine shops for most engines. Online suppliers such as Jack's Small Engines, and M&D are excellent and reliable sources for parts as well.
To replace a breather, follow the tube or hose from the back of the carburetor or air filter assembly to where the breather is mounted on the crankcase. Most are simply attached with two screws but may be under the flywheel requiring flywheel removal. If it's incorporated into the valve cover, just replace the valve cover. Some are cartridges that plug into the valve cover, very easy to replace.
The other common cause for heavy white smoke, especially in mid-size Briggs and Stratton and Kohler engines, (12-20hp) is from contaminated oil. The most common contaminant will be gasoline that has leaked from the carburetor. We have had at least one engine that had a crankcase full of water, this was probably a case of sabotage from an irate neighbor.
The diagnosis is simply to examine the oil. It should have little to no smell of gasoline and should not be overly thin or muddy brown, gray, white or chunky like spoiled milk. Do not under any circumstance attempt to start an engine with oil that fits any of these criteria. The most common cause of mid-size Briggs and Kohler engine catastrophic failure we see in the shop is from gasoline diluted oil causing the rod to overheat and break just above the crank journal.
Gas will get into the crankcase when you have a carburetor that is leaking past the needle. This leak is generally caused by either a float problem or other problem keeping the needle and seat from sealing. If there is gas in the crankcase, then the recourse is a carburetor rebuild or replacement followed by an oil change. The reason that this is such a common Spring problem is that if you leave any gas in the carburetor, it will evaporate and leave behind a varnish coating that can prevent the float assembly from functioning. Also, and even more common, the ethanol in today's fuels will ruin needles and seats, preventing them from sealing the flow of fuel off, which causes the carburetor to overflow and leak into the crankcase. Gas can also get into the crankcase from a fuel pump that's leaking, so if you have a pump, that needs to be checked as well.
These items are often the result of improper storage. I can't stress enough the importance of proper storage of outdoor power equipment.
If there is water in the oil, then several crankcase flushes with kerosene and a few oil changes may clean the engine out. However engine disassembly may also be called for to remove all the muddy deposits and ensure that the oil channels are cleaned out.
These two items are the most common causes of a lot of white smoke. We do see a few OHV engines come in and have blown head gaskets. Usually this is on a Kohler and often the oil is leaking down onto the exhaust manifold and not into the cylinder. A leaking valve cover gasket will also do this.
If the plug isn't fouled out, and the oil is normal, then check closely for a leak. Spray carburetor cleaner on the head to clean all deposits off and then run the engine for a bit. Then check for a leak again. Some talcum powder thrown onto the surface will help to spot a leak as well.
Hopefully one of these will be the solution and you won't be purchasing a new engine. Good Luck!

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