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..
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
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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my car does that. engine runs perfect. its not an issue to worry about.
Peace Out!!!
thnaks guys, now i can stop worrying
any and every OHC engine that i have ever owned does that..never hurt anything, engines always ran fine...
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its a by product of the PCV system
and its normal
