Question about 2001 Nissan Xterra

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Leak in oil hose that backs up oil into the air filter

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Hi dad...i'm searching the internet for the answer too. screw these mechanics...i don't think i need a new engine?!?!

Posted on Oct 17, 2010

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My nissan quest 95 is leaking water. It seems is coming from around the filter. Need help please


Dear Helen,
Which filter? You have the air filter, the oil filter, and the cabin filter.
If it is coming out near the air filter or the oil filter, I should suspect a leaking heater or radiator hose.
A pressure tester for the radiator will help you find those leaks.
If it is near the cabin filter, it should be the drain tube for the air conditioner condenser, which is normal to leak when the air conditioning is running.
Try to catch some of the water that is leaking and see which fluid it is.
Air conditioner condensation water is clear, it even looks drinkable.
Anti-freeze/coolant liquid is colored blue, green, red, or yellow, (it depends on the brand) and has a distinct sweet smell and taste. No, I am not recommending you should taste it.
God bless your efforts.

Sep 04, 2015 | Nissan Cars & Trucks

1 Answer

1993 ford festiva leaking oil from air filter


If everything were NORMAL, this would appear to be a case of oil blow-by from the pistons caused by worn-out or broken piston rings. If you witnessed the rebuild then we can rule that out. If you did not and are taking the rebuild on the word of another, it is easy to verify. Perform a compression check and look for low compression in one or more cylinders. The other possibility is that there is an obstruction in the air intake system. Animal can next there, the flapper could be struck, etc. This would cause the engine to pull air through the hose you mention, bringing the oil with it. Normally, this hose only actsd as a vent.

Dec 12, 2013 | 1993 Ford Festiva

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Oil leaking into carb


Oil in the air filter is usually caused by blowby which is oil blowing past the cylinder rings, or a PCV valve that is not working correctly. The crankcase has too much pressure and oil is escaping out to the air filter where the crankcase is supposed to get fresh air from.
If the PCV valve and hose are ok, you may need another engine at some point. The rings and-or cylinders may have excessive wear.

May 14, 2013 | Isuzu Trooper Cars & Trucks

1 Answer

1998 Chevy Malibu is using excessive oil. Had an oil change done back in October 2012 . Then checked Oil level in December of 2012 and was about 3/4 low in oil! why ?


first thing check make sure oil pan drain plug tight. check make sure oil filter tight. try tighten oil filter by hand see if turn tighten oil filter clockwise direcction if all is good. how many miles on vechicle.could have oil leaks park vechicle in spot that clean.move vechicle see if you see oil spots on ground if yes.your front timing cover seal leaking oil or rear main oil seal ;eaking.or valve cover gaskets leaking.if find no oil leaks more likely engine burning oil.replace pcv valve.check air filter if you see oil in air filter housing either have bad pcv valve or pcv not getting vacuum make sure pcv valve getting vacuum when engine running vacuum should be felt at pcv if not pcv valve bad or pcv hose disconnected broken or plugged.if pcv valve okay engine has worn piston rings.worn valve seals or guides or oil return holes stopped up thats all possible reasons for engine burning oil.if spark plugs oil fouled engine burning oil.

Jan 11, 2013 | 1998 Chevrolet Malibu

1 Answer

1989 Lincoln Town car leaks oil into the air intake.


Check the pcv valve it may be sticking and sucking oil into air filter housing.

Oct 02, 2012 | 1989 Lincoln Town Car

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During an oil change at jiffy lube, the car drove in fine, but once the oil change was done the car wouldn't start. The engine would turn over and it looked like the engine was shaking around a lot. They...


Many times when oil appears in your air intake and in the air filter this is usually caused by a plugged pcv valve Positive crankcase ventilation valve it costs anywhere from 3-10 dollars.As far as it not starting my guess is they checked the air filter and left a vacuum hose or airbox open.Some of these vehicle will barely run if an air leak is present at the airbox containing the air filter.Would double check for any vacuum lines that may have been disconnected around the air box and that the box is shut and sealed properly.

Nov 29, 2010 | 1997 Subaru Legacy

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While putting on the hoses one of the hoses connect to the oil filter housing and it moved slightly but enough for oil to leake do i need to replace a gasket or can i turn it back the other way and solve...


there is a rubber seal behind the oil cooler(that is where the hose connects) the best thing would be to remove the oil filter and oil cooler to replace the seal. I would at least remove the oil filter and try to tighten the large nut that holds the oil cooler on and see if that stops the oil leak

Nov 04, 2010 | 1998 Volkswagen Jetta

1 Answer

1998 Ford Windstar 3.8L ScanTool says that Bank 1 is lean


if your getting oil in the air filter area, you have a leaking intake gasket or a leaking head gasket, run a compression test on it,
if the compression is where it should be on all cylinders then its a leaking intake gasket!!!

Mar 04, 2010 | 1998 Ford Windstar

1 Answer

Oil leaking into the air filter?


a bad pcv valve causes oil in the air filter housing the hose runs to the pcv valve

Apr 11, 2009 | 2000 Ford Windstar

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