There are several vacuum hoses routed throughout a 2000 Chevy Cavalier. To find the hoses, use a factory service repair manual of a 2000 Chevy Cavalier.
The 2000 Chevy Cavalier windshield washer tank is held in place with for retaining bolts. Remove the retaining bolts and the windshield washer tank will come out.
The third generation of Chevy Cavaliers was from 1995-2005. So, you would think they would be compatible. However, Chevy gave the Cavalier a face lift in 2000. You can see more pictures and find more information here: http://en.wikipedia.org/wiki/Chevrolet_Cavalier
A 2005 Cavalier outside door shell will fit a 2000 Cavalier. Actually any outside door shell made for a 1995 - 2005 Chevy Cavalier is interchangeable with each other.
You can swap the engine from your 1997 Cavalier 2.2 liter engine to your 2000 Chevy Cavalier. The wiring harness and motor mounts should be in exactly the same.
The 2000 Chevy Cavalier cooling fan shroud is held in place with 10 retaining bolts. Remove the retaining bolts and the cooling fan shroud will come off.