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Old 07-27-2009, 02:28 PM
shunra shunra is offline
TT Enthusiast
Join Date: Oct 2007
Boat: 2006 X 15
Location: North West
Posts: 201
Originally Posted by rudaire View Post
To those that have responded that they get a sound when popping the cap, do you still have the original cap on the boat as far as you know?
As far as I know I still have the original cap. My cap is sligtly different than the one pictured above. I bet mine is the same as yours. Mine does not have a grip round the Circumference. It is almost impossible to turn by hand, you pretty much need to use the tool.

I am not near the boat to get a picture of the cap. Do you have a picture?

As far as I can tell my cap wasn't designed to be a vent.

I filled up again this weekend and tried to pay more attention to the sound. I belive it is suction. If you only loosen the cap sligtly the sound can last for several seconds.
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