The Vauxhall Astra Mk IV (G), produced from 1998 to 2004, established itself as a highly competitive compact family car, a significant player in the European automotive market. Known for its robust build quality, refined chassis dynamics, and a wide array of body styles including hatchback, saloon, estate, coupé, and convertible, the Astra G offered practicality and reliability. It featured a diverse engine lineup, with the 1.6L 16V ECOTEC (X16XEL) being a common example, and a comfortable ride, making it a popular choice for everyday use. Post-facelift models in late 1999 introduced updated styling and enhanced features, further solidifying its market position against rivals.

This comprehensive service and repair manual provides detailed technical information for the Vauxhall Astra G (T98). It covers all essential vehicle systems, including engine mechanicals and management, transmission, drivetrain, suspension, steering, brakes, climate control, body electricals, and safety systems. The manual details scheduled maintenance, routine inspections, troubleshooting procedures, component removal and installation, and diagnostic techniques, including interpretation of diagnostic trouble codes. With extensive torque specifications, clearances, electrical schematics, and special tool requirements, this manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain and repair the Astra G effectively.