STEADIRIC, if I may..... BZZZZZZTTTTT! My '87 Coupe GT has the removable roof panel which will also do the tilt thing. Both my other 86's had the same. I do believe no Coupes have ever had a sliding sunroof, just the tilt/remove panel. Ed Kellock Lansing, IA 87 5KCSTQ 87 CGT 2.3