The owner of this older Scarab called us after finding heavy water contamination in his fuel filter.
As in most cases, we entered the fuel tank through the sender opening. Not only did we find that the sender gasket was very deteriorated, we also noticed that the surface of the polymer fuel tank, where the sender sits, was very warped. Check the close up picture of the fuel tank, you can see it if you look close. The resulting poor seal was surely the cause of the water contamination problem.
We pumped out about 10 gallons of water and the remaining fuel for disposal. Unfortunately, there is no acceptable remedy for this condition other than to replace the fuel tank.
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