Have a 2003 Octavia Elegance (no sunroof), bought during the only dry spell of the year, last May. Anyway, turns out theres a leak in the boot. We've spent ages trying to track down the source - took off the lining, discovered the rear-window-washer tube was disconnected and rejoined it. But the leak continues. We've ruled out water entering from underneath, as water gathers overnight when the car is sitting in the driveway. We've taken off all the plastic trim inside the tailgate and have nar