does it always reek of gasoline? If so, check the hose that goes from the filter to the steel line (the filter is next to the fuel pump-passenger side rear, about where the rear seat is)
Those leaks are usually such a fine mist (plus there is a plastic cover) that most fuel evaporates, or gets collects on the cover.

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It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so. Robert A. Heinlein


09 Jetta TDI
1985 300D