First get the rubber seals off
![Image](http://i1049.photobucket.com/albums/s400/LUIGI-3/seals.jpg?t=1355578460)
whip the battery out- careful not damage scuttle panel and not to strain your back-its bloody heavy.
once out you will have the battery shelf nicely exposed- take it out too- its held by 3 bolts
![Image](http://i1049.photobucket.com/albums/s400/LUIGI-3/battery20shelf.jpg?t=1355578434)
once out you should be left with something like this
![Image](http://i1049.photobucket.com/albums/s400/LUIGI-3/shelf20out.jpg?t=1355578492)
now you should be able to unblock passenger's side. just put your finger or stick or anything you like
![Tongue :-P](./images/smilies/10.gif)
i had about gallon of water sitting there
![Image](http://i1049.photobucket.com/albums/s400/LUIGI-3/bleed.jpg?t=1355578437)
once all water is drained your plenum chamber should look like this
![Image](http://i1049.photobucket.com/albums/s400/LUIGI-3/drained.jpg?t=1355578458)
you can clean those bungs and put them back, personally i threw em away
![Image](http://i1049.photobucket.com/albums/s400/LUIGI-3/bung.jpg?t=1355578440)
then just put everything back
it is a very simple job and will help you prevent all sort of expensive issues related to water ingress