I wished I'd known a couple things before I started.
First, when you lift the glass top there is a sharp sheet metal edge that you must reach across to get to the burner. I ended up laying a couple work gloves over the sharp edge so I didn't cut my hand, again.
Second, the burner is held in place with clips but they don't simply slide off. Each clip has a small "tooth" that fits into an indentation on the burner body so to release the clips you can't just slide them off. They must be lifted from the burner body to release them. Then when installing the new burner it must be in the exact right position so that the clip "tooth" finds the indentation to seat properly; getting everything lined up can be frustrating.
This is hard because you are working at an odd angle since the glass top only can be lifted a few inches from the stove body. The other annoying thing is that the clips are not fastened to the underside of the glass top...they are on little hinges and it easy to knock them off while trying to get the new burner into position. Getting the burner into the correct position while keeping three clips on their hinges is a challenge.
On the other hand, once installed, the new burner boils up the corn pot water pretty fast!