its easy to say replace it when it's not your money...
i'd have that thing apart in a heartbeat with my laptop and google as my primary tools.
as scott said, the internet is a fantastic resource for things one normally would have no business tackling.
im sure there is a crazy forum somewhere for kitchen appliances...
striped-appliances.com/forums
-----
i've done so many projects that would have cost me $$$$$$$$ if it wasn't for google