I just went to add some oil to my engine with it running and when i took the cap off alot of pressure keeps coming out. Call me dumb, but I had a jeep and when I did this, I didnt have this kind of pressure. I am guessing it must be a honda thing, the car runs fine. It must be just the pistons going up and down and the drainback holes in the head letting the moving air up into the head.... Correct me if I am wrong... I didnt think is would be this much. The engine burns very little oil 1/2 way on the dipstick at 3000mi. and it doesnt lose coolant.
~Joe~

 

why would you put oil in your car when its running? Shut it off and then add oil.

 

There shouldn't be pressure, vacume if anything. Check your spark plugs, make sure they are tight.

 

There should be pressure....there is a valve cover breather to relieve pressure.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by vinuneuro &raquo;</TD></TR><TR><TD CLASS="quote"> There should be pressure....there is a valve cover breather to relieve pressure.</TD></TR></TABLE>

Yep, that and a PCV valve to suck out the pressure. Technically air is supposed to come into the breather and out the PCV...

 

Thanks for the responses, The search function worked now... I guess it is normal.
~Joe~

 

do you have a breather filter on the back of your cyl. head cover? trying to determine what to do for that?....

 

<A HREF="https://honda-tech.com/zerothread?id=697498
" TARGET="_blank">https://honda-tech.com/zerothread?id=697498
</A>

http://64.233.161.104/search?q...rt=25

Very long read but worth it

 

Yes i have a breather connected to my valve cover, going to my cai