[Subman]

Did mine last year; all the above is good gouge. Did it in the driveway rather than in the garage (to avoid the buildup of fumes). Replaced the fuel level sending unit too (on mine, that was what was broken). Once the sending unit was removed I sucked almost all the gasoline out using a hand-held HF battery powered pump meant for gasoline; it pulled all but perhaps 1/4" of fuel out of the tank. One note - when you connect the fuel lines from the new pump to the sending unit, ensure you have a solid "click" and a good connection, lest the hose pop off under pressure after you've got it all buttoned up & start driving. All in all, not a difficult job.

And no, even when installing a completely new fuel level sending unit, there's no "calibration" to be done.