This may help.
Goto to this website: www.autozone.com
When the page comes up click-on the following links...
Right side of page, click-on: Vehicle Repair Guide
Next page, click-on: 1998
Next page, click-on: Dodge
Next page, click-on: Neon
Next page, click-on: Engine & Engine Overhaul
Next page, click-on: Water Pump
Next page. There you are, full instructions on how to replace a water pump in your Neon.
Richard, May 2005