Ice Maker

Two screws held the icemaker on. You do not even have to take them all the way out to remove the IM. Replacement of the water valve was just as easy except they (parts manufacturer) updated the flange nut with a compression fitting and it took me a minute looking at it before I realize what was going on. The door seal could not be easier, no tools just a few minutes of time

Removed the plate on the back of the refrigerator, removed the bolt holding the water valve in place (didn't know you could cut the water line to get it off), Plugged in the new water valve and water lines, 15 minutes, very easy to do.
Removing the ice maker was easy, 2 bolts and a plug. Loosen 2 bolts, lift the ice maker off, unplug it. Put the water chute and ice guard on the new one, put it back on the bolts, spend 1/2 hr getting the plug back in (couldn't see past my own hand), Tighten the bolts and you're done.
Really not difficult, except that the plug was angled, and I had to go by feel.

I unplugged the electrical connection. Then I removed the 2 screws holding the icemaker in place. I lifted out the old icemaker unit and put the new one in place. Then put the 2 screws back in and plugged in the new unit.

The icemaker started making ice very soon after turning the unit on.

I first shut off water flow to the fridge. Examination of the package (which was not exact in appearance to the original) demonstrated that the electrical connectors were well-insulated so I arrogantly and successfully proceded without disconnecting the power. My fridge is old enough that the model doesn't appear exactly on anyone's list so I wasn't alarmed that it took an extra 10 minutes or so to noodle out how to adapt the slightly different inlet cowling and electrical cord with extension, but the device is pretty simple.
Soon I loosened the two mounting screws with a nut driver, used a screwdriver to pry away the plastic snap-in housing over the electrical socket on the fridge inner wall and pulled away the electrical plug. The original water fill tube remained in its cavity, ready for re-use.
The new unit's mounting points matched the original screw locations perfectly, as did the fill cowling - which on the replacement icemaker has two possible attachment points. The new unit's electrical connector required an extension pigtail to adapt to my socket, but it was included in the package. The extra cable posed a minor cosmetic issue because it hangs in the collection basket a bit, but that will soon be remedied with a tie wrap.
After the water was restored and an anxious wait of a few hours, we had well-formed ice cubes that weren't all stuck together and the stalactites haven't reappeared.

used a screwdriver to remove screw and unplugged part. Plugged in new one and secured with a screw.
Simple