I'm about to re-upholster my side panels but I don't want to ruin them while taking them off. What's the best way to go about taking them off without ruining them? I've tried to take them off, but they just start to tear a little. Are they glued in or are they clipped in? Thanks in advance.

 

They are just glued in. They are foam backed (similar to the headliner and pillars) and the foam will stay on the door panel so basically all you will be pulling up is the fabric. That foam is a pain to get off too.

 

So, do I just glue the new fabric to the foam? I want this to look good, so I don't want any hanging fabric or have it ghetto looking.

 

that's exactly why i haven't done mine yet...i don't want the fabric peeling back.
what to do?

 

The door panel is 1-peice, the insert section is not removable (unfortunately). The cloth is wrapped into a slight depression all around the 'insert'. Because of this, it's almost impossible to get the new fabric edge to 1) stay stuck, and 2) look clean and crisp like the factory did it. The problem is even worse if you're using a thick material like I did.
It's a little getto, but I ended up cutting out the door panel insert section from the door, upholstering the material to the panel when it was off (wrapping it all around the edges of the insert, then gluing the insert back into the door panel. This was pretty labor intensive, but it gave me clean lines and looks great.
I was a little worried about the glue getting too hot in the summer and going soft, or getting brittle and cracking in the winter, but all 4 door panels have successfully survived 1 winter and 1 summer so far.
NOTE: I'm sure a proffessional upholstery shop or even some of you could re-upholster the 'inserts' without having to resort to the cutting method I used. However, like I said, when using a thick material, it will be VERY difficult to make it look factory.