Air coming out of Oil fill opening. - Maintenance and Repair Forum

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Air coming out of Oil fill opening.
Tuesday, March 08, 2005 9:24 PM
after i did my oil change...i turned on my car and took off my oil cap, i put my hand over the opening and noticed air blowing out, i didnt notice any oil spraying out, just air...what could this mean????? its a 2.4 with 160,000Km, car runs fine..

Re: Air coming out of Oil fill opening.
Tuesday, March 08, 2005 9:39 PM
it is blowbye, indicating worn rings, with that high of milage, so long as oil isn't shooting out, i wouldn't worry about it
Re: Air coming out of Oil fill opening.
Tuesday, March 08, 2005 10:00 PM
sirk798 . wrote:it is blowbye, indicating worn rings, with that high of milage, so long as oil isn't shooting out, i wouldn't worry about it


Blow-by doesn't happen through the oil cap, it happens through the breather tube.

Its probably just heat. You put the cap on and seal the system. The oil gets hot air expands, you open the cap and the expanded air finds a way out. I wouldn't be worried about it.





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Re: Air coming out of Oil fill opening.
Tuesday, March 08, 2005 10:07 PM
my car does that. engine runs perfect. its not an issue to worry about.




Peace Out!!!
Re: Air coming out of Oil fill opening.
Tuesday, March 08, 2005 10:45 PM
thnaks guys, now i can stop worrying
Re: Air coming out of Oil fill opening.
Wednesday, March 09, 2005 6:51 AM
any and every OHC engine that i have ever owned does that..never hurt anything, engines always ran fine...


®â€îñg666™
Re: Air coming out of Oil fill opening.
Wednesday, March 09, 2005 8:05 AM
its a by product of the PCV system


and its normal







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