Tom,

Not sure on the hatches...

I ran into the portlight issue and found a few things. Depending on your type of portlights (old vs new standard) you can check the following...

On my 1996 MKII I have the "Old Standard" and they have two "expansion" type seals on the exterior sides. These may need to be removed and resealed. On this type of portlight, this is a common problem. You should not need to remove the portlight for this fix. I found a PDF that I will send in to post on the site reference materials.

If that is not it, I have used (thanks to another owner) weather-strip material to reseal the entire portlight. The hardest part of this task was cleaning off all the old sealant prior to rebedding. I used material made by Frostbite found at Home Depot (in the Window Department) for about $7 for 18ft of material. It is a 9mm with an adhesive back that is very easy to work with and you cut to size. I ran this around the interior edge of the external frame and then re-attached the portlight. I have not had any problems using this material and it is rated for 10 years. The plus side is that if I did need to make an adjustment, or reseal years from now, the portlight would be easier to remove, clean, and replace than if I used traditional sealant. I did this back in Feb of 2008 on 3 portlights (the 4th was a few weeks ago) and have not had any problems since. I found the original grey sealant tape from the factory wasn't that great on my boat.

I would first try re-sealing the expansion joints before pulling out the portlight.

Just my thougths.

I posted the doc under the main website. From the main page, click on "Articles" - then "Maintenance" - then "Portlight Joint Replacement."

or...

[url]http://www.c36ia.com/node/1405[/url]

This link will take you straight to the file...

[url]http://www.c36ia.com/files/Portlight%20joint%20replacement.pdf[/url]