Sorry to jump on an old thread, I've only had my van a few weeks and today a couple of puddles of rain in the door stepsI tried all the various ideas and suggestions before we did. Bliss - no leaks - - and no more concerns about the furniture on the drivers side being ruined, water getting under the floor, damaging the wiring for the pump / batteries / heater. (All of which I'm told have happened!) My advice? Put in plain glass - if you are spec'ing a Kombi from new, I hear it may be possible to spec with plain glass, so it's worth asking.
I was thinking about just going and getting them replaced with plain glass as you did. But a friend said I'd miss being able to open them on a hot day with the kids in the back.... And he's got air con. Do you think this is much of an issue? I've obviously not had a summer in the van yet... I'd have thought if I up in enough insulation and have Aircon it shouldn't be too hellish in the back. I'd imagine it'd be quieter in the back with a solid window too. I wondered what your thoughts are. Thanks