This manual covers the Isuzu Trooper Bighorn UBS, also known as the Trooper, from the third generation (UB) produced between 1998 and 2002. This body-on-frame SUV is renowned for its excellent off-road capability, high utility, and durable construction, making it a popular choice for families and off-road enthusiasts. With a robust chassis, capable suspension, and available 4WD/AWD systems, the Trooper excels in challenging terrain and offers significant towing capacity. Its engineering prioritizes longevity and reliability, a hallmark of Isuzu's heritage in producing capable trucks and off-road vehicles.

This Official Workshop Service and Repair Manual provides comprehensive guidance for the maintenance and repair of the Isuzu Trooper UBS models from 1998 to 2002. It covers all essential systems, including detailed procedures for engine mechanicals, transmissions (automatic and manual), drivetrain, suspension, steering, brakes, and the electrical system. The manual also includes information on body and interior components, climate control, and chassis frame. With over 1500 pages of technical data, troubleshooting charts, component removal and installation instructions, and wiring diagrams, this manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain and repair their vehicle.