Just thought I'd share this info... http://www.autozone.com/shopping/repairGuide.htmRepair Guide
Nissan Frontier, Xterra 1998-05
AutoZone.com's online repair guides are an essential accessory for do-it-yourself automotive repair. Each vehicle-specific guide includes detailed information and graphics to help you get your car or truck back on the road. Included in most guides: step-by-step instructions with detailed photographs and drawings, wiring diagrams, specification charts and repair tips.
Engine Performance & Emission Controls
Engine & Vehicle Identification
Heating & Air Conditioning