The 2000 and 2001 had steel front bumpers, and a plastic dam below with the fog light cutouts.
They rust where the side trim pieces touch them, worse on the drivers side.
1/ Get a Haines manual.
2/ Remove the side indicator assemblies.
3/ Remove the grill.
4/ Remove all bolts and clips holding plastic dam to bumper.
5/ You have two brackets on either side that locate to the bumper with an anti-vibration mount. Unbolt from chassis. Also a couple of tapping bolts in that area.
6/ Remove 2 big bolts holding bumper to front chassis extensions - pull bumper off.
7/ Paint.