My 1986 GTV6 has a problem with the manual sun roof. A small plastic (nylon?) piece that positions and holds the sun roof in the closed position, is broken. As a result, I have had to wedge a small piece of wood between the roof and the sun roof to keep the passenger side of the sun roof from sagging down. Does anyone know of the manufacturer of these sun roof units, and if replacement parts are available? Has anyone experienced a similar failure and been able to successfully repair it?
After a couple of inquiries, I realized my description is not very good
. The pieces I'm speaking of are actually in the tracks that the sunroof slides in. There are about 5 each side, one on each side acts as a cam to lift and lower the sunroof, and is connected to a lever that goes to the sunroof handle. I am not looking for the sunroof handle itself 
.Still have not found a source for these items, any leads would be appreciated!