Why does my four wheeler have oil in the air filter?
Clogged Oil Passages Extremely clogged passages will cause pressure to build up and will open the opportunity for oil to push through the PCV valve and enter the air intake tube where it will drain into the air filter and filter housing. Once the engine has been flushed drain the oil and fill it with fresh engine oil.
What should I do if my engine oil keeps blowing into the air filter?
Purchase an engine flush formula from your local parts store and follow the directions. In general you will pour the formula into the oil and run the engine for a period of time. Once the engine has been flushed drain the oil and fill it with fresh engine oil. Replace the filter and see if the problem persists.
Why is oil coming out of my air cleaner?
Check out the article, Understanding Blowby in Motorcycle Engines, from MotorcycleCruiser.com. It explains why you had oil pumping out if your air cleaner assembly. The only other reason for this to happen can be from a broken oil pump or overfilling, as you mentioned. I have the same problem, and yes, my filter does need to be cleaned.
What does it mean when your crankcase breather is blowing oil?
If your crankcase breather is passing oil, chances are that something’s wrong (Okay, we know something’s wrong, but don’t be too alarmed). Here are some things to look for while you’re searching for the source of the issue:
Why is my air filter clogged with oil on my lawn mower?
An air filter consistently clogged with oil is most likely the result of turning the mower over the wrong way when you work on the blades underneath the mower deck. If you turn the mower over with the air filter down, the engine oil will leak out and into the filter, clogging it.
What causes engine oil to blow by into the air filter box?
If any cylinder tests low squirt a small amount of oil or transmission fluid into the corresponding spark plug hole and perform the test again. If the compression raises after applying oil then the piston ring for that cylinder is bad and is likely the cause of the oil blow-by. Repairing Internal Problems
Check out the article, Understanding Blowby in Motorcycle Engines, from MotorcycleCruiser.com. It explains why you had oil pumping out if your air cleaner assembly. The only other reason for this to happen can be from a broken oil pump or overfilling, as you mentioned. I have the same problem, and yes, my filter does need to be cleaned.
If your crankcase breather is passing oil, chances are that something’s wrong (Okay, we know something’s wrong, but don’t be too alarmed). Here are some things to look for while you’re searching for the source of the issue:
Why is oil coming out of my air filter on my lawn mower?
A blown head gasket is one such issue, and it requires tear down, repair and reassembly of the lawnmower’s engine. Other internal engine possibilities causing the oil problem include a damaged cylinder or worn cylinder rings. If they fail, oil can back up through the carburetor and into the air filter.