This manual covers the 100, specifically the C3 generation produced between 1982 and 1991, with detailed information pertaining to the 1988 model year. The 100 C3 is recognized for its advanced aerodynamic design, achieving a drag coefficient of 0.30, and its reputation for sophisticated engineering, comfort, and the availability of the groundbreaking Quattro all-wheel-drive system. Available as a sedan or Avant wagon, this premium mid-size vehicle offered a range of inline-five-cylinder engines and both manual and automatic transmissions, representing a significant step forward in automotive development and market presence.

This comprehensive workshop service and repair manual provides in-depth guidance for maintaining and repairing the 100. It encompasses a wide array of systems, including detailed procedures for engine mechanicals, fuel injection, ignition, cooling, lubrication, and exhaust systems. Coverage extends to manual and automatic transmissions, the Quattro all-wheel-drive system, suspension, steering, braking systems (including ABS), and all electrical systems, from wiring diagrams to component diagnostics. The manual also details routine maintenance, body and interior repairs, and offers troubleshooting charts and diagnostic procedures, making it an essential resource for owners and technicians alike.