86 olds cutlass power window motor replace
 

I have a 1986 olds cutlass that I am restoring - I am trying to replace the power window motor on the drivers side but don't have the bolt pattern I have taken out every single bolt I can find and still, something is holding it I was told I need a template and can only get that from a dealer- spent hours with my hand up there trying to find it - advice would be appreciated - Thanks

lift up on glass may have it bound up . But Is it pop riveted in . Should come out once bolts undone.