I had the same problem on my 91. I caulked the taillight gaskets and I also
caulked the seams in the rain gutter where the rear quarter panels are
joined to the trunk. Fixed my leaking problem.

"John Smith" <jsmith@company.com> wrote in message
news:14210$451b2323$471e544c$30267@ALLTEL.NET...
>I have a 1990 Honda Accord DX. Few months ago, I found that its
> trunk leaked. I caulked the tailgate light gasket. That fixed the
> leaking problem of the driver's side but the passenger side still
> leaked. I caulked it again, and eventually five times, to no
> avail. I knew a new gasket would not help. But just to be sure, I
> bought a new gasket from a Honda dealer to replace the old one.
> And, as I had expected, it did not help.
>
> There are two indentations on the edge (right and left) of the
> trunk near the wheel. Now, when it rains, the right one is usually
> full of water.
>
> Any idea where it might be leaking?