The Vauxhall/Opel Astra G, also known as the Mark III or Mark III, is a compact family car produced between 1998 and 2000. This generation, designated by chassis codes T98 and T98/E for its various body styles including hatchback, saloon, estate, and coupe, was designed to offer a significant upgrade in interior space and quality over its predecessor. It emphasized comfort, practicality, and a good driving experience, positioning itself as a strong competitor against models like the Ford Focus and Volkswagen Golf. The Astra G was available with a range of petrol and diesel engines, from the 1.2i 16V to the more powerful 2.0i 16V and diesel variants, paired with either a 5-speed manual or an optional 4-speed automatic transmission.

This comprehensive Service and Repair Manual covers the essential information needed for the maintenance and repair of the Vauxhall/Opel Astra G from 1998 to 2000. It details a vast array of systems, including engine mechanicals, fuel, lubrication, cooling, emissions, ignition, and turbocharger systems, as well as manual and automatic transmissions, drivetrain, braking, electrical, and body/chassis systems. The manual includes step-by-step procedures for routine maintenance tasks, detailed repair instructions, and troubleshooting guides for common issues. It is an invaluable resource for DIY mechanics, home enthusiasts, professional technicians, and fleet maintenance personnel seeking to maintain and repair their vehicle efficiently.