[shooter_va]

Did the one on our 1998 last week, it was quick and easy. I would think that the 2000 van wouldn't be much different. You need a 3/8" drive breaker bar for the belt tensioner, a 10mm combination wrench and ratchet with 10mm socket to remove the pulley (loosen the pulley bolts before removing the belt - that actually was the hardest part to get the 4 bolts loosened). I didn't drain the radiator, but I parked the van on ramps and put a big pan underneath to catch the antifreeze after pulling out the old pump. Our pump was held in by 5 screws and I took them off with a 8mm combination wrench.
You should be able to get the repair guide at autozone.com