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RE: [T3] sealing gas cap...


On 22 Sep 2005 at 15:09, Kevin Guarnotta wrote:

> I notice that my gas cap is tricky to open, sometimes real tight. I don't
> have any idea if it is original or not. Kind of like it has been sucked
> down. I checked the tubing that I believe is for pressure relief, and didn't
> see it clogged anywhere.

They tend to get hard to open once they rust a bit on the end. When new and 
shiny, the gasket slips nicely on that smooth metal, but the rusty stuff bites 
into the gasket and can make it very hard to turn.

On occasion, I have just taken the filler pipe completely off the car and 
brazed a layer of brass on the sealing face. Then I file it back down smooth 
and flat. That's a lot of work, but it solves the problem, because the brass is 
permanent and it won't rust.

> I noticed the oil filler cap on my bus uses a cork gasket-that's why I
> thought cork might work here.

I think all the oil filler caps use cork. I suppose that seal is not a problem 
because the steel there is always oily and never rusts.

-- 
*******************************
Jim Adney, jadney@vwtype3.org
Madison, Wisconsin, USA
*******************************

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