air filter box/oil

fbryant1 · 06-13-2010, 11:33 AM

got a 2003 ezgo that is getting oil from pvc hose into the air filter box and it's so hot it's melting the side of my air filter,any ideas

ez go go · 06-13-2010, 08:22 PM

Sent you a reply to your PM.

slowgo · 07-05-2010, 10:05 AM

Did you ever get it fixed? what was the problem? We got a cart at work that gets oil in the filter box and it leaksalover the motor too.

ez go go · 07-05-2010, 10:26 AM

Oil in the breather box is a result of blow by at the piston rings. The only fix is an overhaul. Excessive slack at the rings due to normal wear allows compression to pass by slack at the rings. This in turn lets compression force oil out of the crankcase via the by pass hose into the breather box.

slowgo · 07-05-2010, 10:33 AM

Ok thanks so i guess its time for a rebuild on the motor then.

ez go go · 07-05-2010, 10:36 AM

You did say your comp. was really low, right?

scottyb · 07-05-2010, 11:01 AM

We had some luck putting a bit of plastic brillo pad type material in the engine end of the breather hose. Also used plastic AC filter material.... This held most of the oil in check without restricting the breathing too much and gave the engine some more run time before the inevitable refurb.

fbryant1 · 07-06-2010, 07:32 AM

the cart that i started this thread was over filled alittle in oil,that will do it also,my so called friend 4got to tell me that when he was explaining to me about the oil,we had just built this cart last year and it was doing fine up until then,so i got it back done a service and all is well,

hawkeyedm2003 · 07-07-2010, 05:48 PM

Hey a little off topic, but maybe not.
I had an issue with my cart this weekend.

We were going a a longer ride and the carts were heated up pretty good (was over 90 degrees that day too), when on a long steep hill, my cart literally shut off and blew a HUGE puff of white smoke from the exhaust.
I thought I blew the engine. However, when I hit the pedal again, it starts right up and blows some serious smoke until it clears up and runs normal again.

My guess is I had some type of blow by that caused the oil to saturate the plugs and stall the engine. Now when the cart actually shut off, I mean shut off...not sputter, not bog...just bam..OFF.
I ran the cart for the rest of the weekend (up and down hills no less) and no problems.
Any ideas?
Was my oil too full?
Cart has plenty of power and its the first time it did anything like this.

This is a 2004 Ezgo btw.

06-13-2010, 11:33 AM	#1
fbryant1 Getting Wild Join Date: Oct 2007 Location: lake city south carolina,29560 Posts: 98	air filter box/oil got a 2003 ezgo that is getting oil from pvc hose into the air filter box and it's so hot it's melting the side of my air filter,any ideas

06-13-2010, 08:22 PM	#2
ez go go Doin' the Wild Thang Join Date: Mar 2010 Location: Greenville, AL Posts: 1,063	Re: air filter box/oil Sent you a reply to your PM.

07-05-2010, 10:05 AM	#3
slowgo Not Yet Wild Join Date: Jun 2010 Location: Walhalla S.C. Posts: 59	Re: air filter box/oil Did you ever get it fixed? what was the problem? We got a cart at work that gets oil in the filter box and it leaksalover the motor too.

07-05-2010, 10:26 AM	#4
ez go go Doin' the Wild Thang Join Date: Mar 2010 Location: Greenville, AL Posts: 1,063	Re: air filter box/oil Oil in the breather box is a result of blow by at the piston rings. The only fix is an overhaul. Excessive slack at the rings due to normal wear allows compression to pass by slack at the rings. This in turn lets compression force oil out of the crankcase via the by pass hose into the breather box.

07-05-2010, 10:33 AM	#5
slowgo Not Yet Wild Join Date: Jun 2010 Location: Walhalla S.C. Posts: 59	Re: air filter box/oil Ok thanks so i guess its time for a rebuild on the motor then.

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07-05-2010, 10:36 AM	#6
ez go go Doin' the Wild Thang Join Date: Mar 2010 Location: Greenville, AL Posts: 1,063	Re: air filter box/oil You did say your comp. was really low, right?

07-05-2010, 11:01 AM	#7
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,418	Re: air filter box/oil We had some luck putting a bit of plastic brillo pad type material in the engine end of the breather hose. Also used plastic AC filter material.... This held most of the oil in check without restricting the breathing too much and gave the engine some more run time before the inevitable refurb.

07-06-2010, 07:32 AM	#8
fbryant1 Getting Wild Join Date: Oct 2007 Location: lake city south carolina,29560 Posts: 98	Re: air filter box/oil the cart that i started this thread was over filled alittle in oil,that will do it also,my so called friend 4got to tell me that when he was explaining to me about the oil,we had just built this cart last year and it was doing fine up until then,so i got it back done a service and all is well,

07-07-2010, 05:48 PM	#9
hawkeyedm2003 Getting Wild Join Date: Mar 2009 Location: Over there Posts: 76	Re: air filter box/oil Hey a little off topic, but maybe not. I had an issue with my cart this weekend. We were going a a longer ride and the carts were heated up pretty good (was over 90 degrees that day too), when on a long steep hill, my cart literally shut off and blew a HUGE puff of white smoke from the exhaust. I thought I blew the engine. However, when I hit the pedal again, it starts right up and blows some serious smoke until it clears up and runs normal again. My guess is I had some type of blow by that caused the oil to saturate the plugs and stall the engine. Now when the cart actually shut off, I mean shut off...not sputter, not bog...just bam..OFF. I ran the cart for the rest of the weekend (up and down hills no less) and no problems. Any ideas? Was my oil too full? Cart has plenty of power and its the first time it did anything like this. This is a 2004 Ezgo btw.

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