The Isuzu N-Series, produced between 1999 and 2001, represents a robust and versatile platform within the light-duty commercial vehicle segment. These vehicles, including chassis codes like NKR, NHR, NLR, NPR, and NQR, are recognized for their durable chassis design, reliable Isuzu diesel powertrains, and adaptability for various vocational services and delivery applications. Their engineering emphasizes longevity and ease of maintenance, making them a favored choice for businesses prioritizing operational efficiency and dependable performance. The N-Series is known for its strong heritage in diesel technology and its ability to be configured with a wide array of body types to suit specific commercial needs.

This comprehensive workshop manual serves as an essential resource for maintaining and repairing the Isuzu N-Series vehicles from the 1999-2001 model years. It covers a broad spectrum of systems, including HVAC, frame and cab, steering, suspension, brakes, and detailed information on the 4H and 4J Series diesel engines, as well as manual and automatic transmissions. The manual provides in-depth procedures for scheduled maintenance, diagnostics, troubleshooting, and complete repair instructions, complete with technical specifications, wiring diagrams, and torque values. Its extensive coverage ensures that owners, mechanics, and technicians have the necessary information to keep these commercial vehicles operating at peak performance and reliability.