Subject: RE:What is this? by CentralCoaster on 2008/1/29 4:19:45
Quote:
Said with authority, I'd believe that.
:thumbleft:
The semi-sealed gas cap is supposed to accomplish that. But now that you mention it I recall there being a secondary tank pressure vent on some cars. I dunno that this is it, that thing looks sealed to me, and round as if it's got a rubber diaphram in it.
