My rear electric sunshade doesn't work. It is the electric motor (I think)! Actually, sometimes it will work (goes up and down) and than quits working again. I thought to take it all out and see what is wrong but it looks like a lot of work to disassemble it. Could anybody tell me how to do that?? BTW, I checked the switch! When I press the switch the power is running to the electric motor. I'll be thankfull for any advice...