The Isuzu Trooper, produced from 1998 to 2002, is a robust body-on-frame SUV renowned for its off-road capability and enduring reliability. Built on the UB chassis, this generation of the Trooper features a more aerodynamic design than its predecessors, appealing to families, outdoor enthusiasts, and those seeking a versatile vehicle capable of handling challenging terrains. Its engineering prioritizes durability, with strong mechanical components and available four-wheel-drive systems designed for demanding use. The Trooper's practical interior, towing capacity, and inherent ruggedness have solidified its reputation as a dependable choice for both daily driving and adventurous excursions.

This comprehensive Workshop Service Manual (WSM) provides in-depth technical information for the Isuzu Trooper, covering all major mechanical, electrical, and body systems across its 1998-2002 model years. It details routine maintenance procedures, major repair operations, and diagnostic routines, including essential torque specifications and clearances. The manual's factory-level depth ensures that owners, mechanics, and technicians have the necessary resources to effectively maintain, troubleshoot, and repair the vehicle, from basic fluid changes to complex engine and drivetrain overhauls. Extensive wiring diagrams and troubleshooting guides are included to facilitate accurate diagnosis and repair of all vehicle components.