Do I have to tear the door apart on my dishwasher to replace the soap dispenser?
I could not find info on a GFRS, following parts breakdown is for a GFR5
Replacement parts for FDB636GFRS models | AppliancePartsPros.com
Here is a manual although it does not list your unit it may still come in handy.
http://frigidaireservicetips.com/pdfs/485_3.pdf
Yes, you will have to open the door up.
Thanks a lot