Best pic I can find but the fine splines are just about noticeable here.



I know nothing about the Granada, but the Sierra sunroof changed to fine teeth with the swoopy dash, so in 1991. Not sure if there were electric sunroofs in the Sierra before that, but I took the cog from a Granada motor to make mine work. However, it is as slow as sin and it won't pop the roof up at all, even after greasing the winding cables so open to any helpful tips.