Common areas for roof leaks?

[Weblamer]

I am going nuts trying to find the leaks in the roof of my 1985 minnie winnie.

Taped up all the seams on the roof. Gave the AC unit a new gasket. Siliconed the exhaust pipes. Taped up around the right roof vent and the crank up bathroom vent.

Water sill POURS inside. It has already busted through a hole in the inside ceiling plastic. Rained today and it filled a bucket. I know the camper has water damage, but I am just trying to keep it alive for a few more years. However being able to camp without water dripping in WOULD be nice.

Can any of you old-timers suggest areas that are known for leaks, or leaks that had happened to you? With this much coming in it cant just be a little screw somewhere or something.

[Stripe]

Can you take a pic of where the water is coming from? Also, have you double checked the seal under the AC after you sealed it?

[Oz]

I'm guessing your A/C has sunk the roof a bit and of course water will run to the lowest spot, drawing water from any leak, anywhere on the roof area, toward the center.  Of course, it can seep into the coach at any point.

Common areas you haven't already done:  Definitely the roof-to-side wall, & front & rear cap trim.  Water often gets in the clearance markers but that would not go to your ceiling (Thank goodness it doesn't run uphill too!)  .

You didn't mention if you've re-coated the roof.  If the leak has been there a good while, chances are, you have pin holes in your roof.  I say pin holes, but they are usually the size of a pencil tip or larger.  Kinda like the area was shot with buckshot.  If water is laying on the roof and you have this corrosion in the aluminum, water will come through just like a sieve.

I found that was an issue on the roof and one spot on the side of mine.  Take a look at this album, particularly the description on photo 04:

http://www.classicwinnebagos.com/forum/index.php?action=mgallery;sa=album;id=7