Those are "if not broken don't fix thems".If loose, they snap into a recess in the wheel-well.
�
They are part of the EVAP and leak preventers in case of a accident.
Each have gravity valves that close when the car is upside -down.
�
They prevent fuel from the gas tank from leaking out from the vapor tanks(Diesel only), and from fuel exiting the vehicle via the charcoal canister gas models only).
�
Robert
1982 Westfalia
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--- On Sun, 8/1/10, steve <nuts4photos@SBCGLOBAL.NET> wrote:

From: steve <nuts4photos@SBCGLOBAL.NET>
Subject: those plastic breather thingys under the front wheel-wells
To: vanagon@GERRY.VANAGON.COM
Date: Sunday, August 1, 2010, 5:38 PM

sorry i've just been a Westy, sorry again, Vanagon owner since like May - but back to�the question�- Those�plastic�things -�are they just held in there by the one screw that I can see from under?� Because i don't want to pull on it and break something - they seem to becoming loose the more i play with - but i'll wait until i hear from the masters - 
THANKS!
�
Steve Todey

Peace!

Steve

Check out what's happening with the Westy @ - www.YouTube.com/ExploringYourPlanet

I plan on getting on the road soon and living out of the Westy with my dog Sky. You'll be able to follow the journey at www.YouTube.com/ExploringYourPlanet